[igt-dev] [PATCH v2] [DO NOT REVIEW] testing headers in CI
Jani Nikula
jani.nikula at linux.intel.com
Fri Dec 30 12:51:13 UTC 2022
On Thu, 29 Dec 2022, Mark Yacoub <markyacoub at chromium.org> wrote:
> From: Mark Yacoub <markyacoub at google.com>
A commit message would be appreciated to let us know what you're doing,
regardless of the "DO NOT REVIEW" part.
Thanks,
Jani.
>
> ---
> docs/chamelium.txt | 2 +-
> lib/igt_edid.h | 1 +
> lib/igt_eld.h | 1 +
> lib/monitor_edids/monitor_edids_helper.c | 2 +-
> tests/chamelium/kms_chamelium.c | 3132 -----------------
> tests/chamelium/kms_chamelium_audio.c | 858 +++++
> ...olor_chamelium.c => kms_chamelium_color.c} | 0
> tests/chamelium/kms_chamelium_edid.c | 543 +++
> tests/chamelium/kms_chamelium_frames.c | 1085 ++++++
> tests/chamelium/kms_chamelium_helper.c | 330 ++
> tests/chamelium/kms_chamelium_helper.h | 74 +
> tests/chamelium/kms_chamelium_hpd.c | 512 +++
> tests/intel-ci/blacklist.txt | 2 +-
> tests/intel-ci/fast-feedback.testlist | 18 +-
> tests/kms_color_helper.h | 2 +-
> tests/meson.build | 14 +-
> tests/vc4_ci/vc4-chamelium-fast.testlist | 28 +-
> 17 files changed, 3440 insertions(+), 3164 deletions(-)
> delete mode 100644 tests/chamelium/kms_chamelium.c
> create mode 100644 tests/chamelium/kms_chamelium_audio.c
> rename tests/chamelium/{kms_color_chamelium.c => kms_chamelium_color.c} (100%)
> create mode 100644 tests/chamelium/kms_chamelium_edid.c
> create mode 100644 tests/chamelium/kms_chamelium_frames.c
> create mode 100644 tests/chamelium/kms_chamelium_helper.c
> create mode 100644 tests/chamelium/kms_chamelium_helper.h
> create mode 100644 tests/chamelium/kms_chamelium_hpd.c
>
> diff --git a/docs/chamelium.txt b/docs/chamelium.txt
> index c4c22468..f82c8b0c 100644
> --- a/docs/chamelium.txt
> +++ b/docs/chamelium.txt
> @@ -241,7 +241,7 @@ Current Support in IGT
>
> Support for the Chamelium platform in IGT is found in the following places:
> * lib/igt_chamelium.c: library with Chamelium-related helpers
> -* tests/kms_chamelium.c: sub-tests using the Chamelium
> +* tests/kms_chamelium_*.c: sub-tests using the Chamelium
>
> As of early April 2019, the following features are tested by IGT:
> * Pixel-by-pixel frame integrity tests for DP and HDMI
> diff --git a/lib/igt_edid.h b/lib/igt_edid.h
> index 477f16c2..85a9ef5e 100644
> --- a/lib/igt_edid.h
> +++ b/lib/igt_edid.h
> @@ -29,6 +29,7 @@
> #include "config.h"
>
> #include <stdint.h>
> +#include <stddef.h>
>
> #include <xf86drmMode.h>
>
> diff --git a/lib/igt_eld.h b/lib/igt_eld.h
> index 30d7012d..1a46b6d2 100644
> --- a/lib/igt_eld.h
> +++ b/lib/igt_eld.h
> @@ -29,6 +29,7 @@
> #include "config.h"
>
> #include <stdbool.h>
> +#include <stddef.h>
>
> #include "igt_edid.h"
>
> diff --git a/lib/monitor_edids/monitor_edids_helper.c b/lib/monitor_edids/monitor_edids_helper.c
> index 41f199bd..1cbf1c22 100644
> --- a/lib/monitor_edids/monitor_edids_helper.c
> +++ b/lib/monitor_edids/monitor_edids_helper.c
> @@ -1,4 +1,4 @@
> -// SPDX-License-Identifier: GPL-2.0
> +// SPDX-License-Identifier: MIT
> /*
> * A helper library for parsing and making use of real EDID data from monitors
> * and make them compatible with IGT and Chamelium.
> diff --git a/tests/chamelium/kms_chamelium.c b/tests/chamelium/kms_chamelium.c
> deleted file mode 100644
> index 3c4b4d75..00000000
> --- a/tests/chamelium/kms_chamelium.c
> +++ /dev/null
> @@ -1,3132 +0,0 @@
> -/*
> - * Copyright © 2016 Red Hat Inc.
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> - *
> - * Authors:
> - * Lyude Paul <lyude at redhat.com>
> - */
> -
> -#include "config.h"
> -#include "igt.h"
> -#include "igt_vc4.h"
> -#include "igt_edid.h"
> -#include "igt_eld.h"
> -#include "igt_infoframe.h"
> -#include "monitor_edids/dp_edids.h"
> -#include "monitor_edids/hdmi_edids.h"
> -#include "monitor_edids/monitor_edids_helper.h"
> -
> -#include <fcntl.h>
> -#include <pthread.h>
> -#include <string.h>
> -#include <stdatomic.h>
> -// #include <stdio.h>
> -
> -// struct chamelium_edid;
> -
> -enum test_modeset_mode {
> - TEST_MODESET_ON,
> - TEST_MODESET_ON_OFF,
> - TEST_MODESET_OFF,
> -};
> -
> -typedef struct {
> - struct chamelium *chamelium;
> - struct chamelium_port **ports;
> - igt_display_t display;
> - int port_count;
> -
> - int drm_fd;
> -
> - struct chamelium_edid *edids[IGT_CUSTOM_EDID_COUNT];
> -} data_t;
> -
> -#define ONLINE_TIMEOUT 20 /* seconds */
> -
> -#define HPD_STORM_PULSE_INTERVAL_DP 100 /* ms */
> -#define HPD_STORM_PULSE_INTERVAL_HDMI 200 /* ms */
> -
> -#define HPD_TOGGLE_COUNT_VGA 5
> -#define HPD_TOGGLE_COUNT_DP_HDMI 15
> -#define HPD_TOGGLE_COUNT_FAST 3
> -
> -static void
> -get_connectors_link_status_failed(data_t *data, bool *link_status_failed)
> -{
> - drmModeConnector *connector;
> - uint64_t link_status;
> - drmModePropertyPtr prop;
> - int p;
> -
> - for (p = 0; p < data->port_count; p++) {
> - connector = chamelium_port_get_connector(data->chamelium,
> - data->ports[p], false);
> -
> - igt_assert(kmstest_get_property(data->drm_fd,
> - connector->connector_id,
> - DRM_MODE_OBJECT_CONNECTOR,
> - "link-status", NULL,
> - &link_status, &prop));
> -
> - link_status_failed[p] = link_status == DRM_MODE_LINK_STATUS_BAD;
> -
> - drmModeFreeProperty(prop);
> - drmModeFreeConnector(connector);
> - }
> -}
> -
> -/* Wait for hotplug and return the remaining time left from timeout */
> -static bool wait_for_hotplug(struct udev_monitor *mon, int *timeout)
> -{
> - struct timespec start, end;
> - int elapsed;
> - bool detected;
> -
> - igt_assert_eq(igt_gettime(&start), 0);
> - detected = igt_hotplug_detected(mon, *timeout);
> - igt_assert_eq(igt_gettime(&end), 0);
> -
> - elapsed = igt_time_elapsed(&start, &end);
> - igt_assert_lte(0, elapsed);
> - *timeout = max(0, *timeout - elapsed);
> -
> - return detected;
> -}
> -
> -static void
> -wait_for_connector_after_hotplug(data_t *data, struct udev_monitor *mon,
> - struct chamelium_port *port,
> - drmModeConnection status)
> -{
> - int timeout = CHAMELIUM_HOTPLUG_TIMEOUT;
> - int hotplug_count = 0;
> -
> - igt_debug("Waiting for %s to get %s after a hotplug event...\n",
> - chamelium_port_get_name(port),
> - kmstest_connector_status_str(status));
> -
> - while (timeout > 0) {
> - if (!wait_for_hotplug(mon, &timeout))
> - break;
> -
> - hotplug_count++;
> -
> - if (chamelium_reprobe_connector(&data->display, data->chamelium,
> - port) == status)
> - return;
> - }
> -
> - igt_assert_f(false, "Timed out waiting for %s to get %s after a hotplug. Current state %s hotplug_count %d\n",
> - chamelium_port_get_name(port),
> - kmstest_connector_status_str(status),
> - kmstest_connector_status_str(chamelium_reprobe_connector(&data->display, data->chamelium, port)), hotplug_count);
> -}
> -
> -
> -static int chamelium_vga_modes[][2] = {
> - { 1600, 1200 },
> - { 1920, 1200 },
> - { 1920, 1080 },
> - { 1680, 1050 },
> - { 1280, 1024 },
> - { 1280, 960 },
> - { 1440, 900 },
> - { 1280, 800 },
> - { 1024, 768 },
> - { 1360, 768 },
> - { 1280, 720 },
> - { 800, 600 },
> - { 640, 480 },
> - { -1, -1 },
> -};
> -
> -static bool
> -prune_vga_mode(data_t *data, drmModeModeInfo *mode)
> -{
> - int i = 0;
> -
> - while (chamelium_vga_modes[i][0] != -1) {
> - if (mode->hdisplay == chamelium_vga_modes[i][0] &&
> - mode->vdisplay == chamelium_vga_modes[i][1])
> - return false;
> -
> - i++;
> - }
> -
> - return true;
> -}
> -
> -static bool
> -check_analog_bridge(data_t *data, struct chamelium_port *port)
> -{
> - drmModePropertyBlobPtr edid_blob = NULL;
> - drmModeConnector *connector = chamelium_port_get_connector(
> - data->chamelium, port, false);
> - uint64_t edid_blob_id;
> - const struct edid *edid;
> - char edid_vendor[3];
> -
> - if (chamelium_port_get_type(port) != DRM_MODE_CONNECTOR_VGA) {
> - drmModeFreeConnector(connector);
> - return false;
> - }
> -
> - igt_assert(kmstest_get_property(data->drm_fd, connector->connector_id,
> - DRM_MODE_OBJECT_CONNECTOR, "EDID", NULL,
> - &edid_blob_id, NULL));
> - igt_assert(edid_blob = drmModeGetPropertyBlob(data->drm_fd,
> - edid_blob_id));
> -
> - edid = (const struct edid *) edid_blob->data;
> - edid_get_mfg(edid, edid_vendor);
> -
> - drmModeFreePropertyBlob(edid_blob);
> - drmModeFreeConnector(connector);
> -
> - /* Analog bridges provide their own EDID */
> - if (edid_vendor[0] != 'I' || edid_vendor[1] != 'G' ||
> - edid_vendor[2] != 'T')
> - return true;
> -
> - return false;
> -}
> -
> -static void chamelium_paint_xr24_pattern(uint32_t *data,
> - size_t width, size_t height,
> - size_t stride, size_t block_size)
> -{
> - uint32_t colors[] = { 0xff000000,
> - 0xffff0000,
> - 0xff00ff00,
> - 0xff0000ff,
> - 0xffffffff };
> - unsigned i, j;
> -
> - for (i = 0; i < height; i++)
> - for (j = 0; j < width; j++)
> - *(data + i * stride / 4 + j) = colors[((j / block_size) + (i / block_size)) % 5];
> -}
> -
> -static int chamelium_get_pattern_fb(data_t *data, size_t width, size_t height,
> - uint32_t fourcc, size_t block_size,
> - struct igt_fb *fb)
> -{
> - int fb_id;
> - void *ptr;
> -
> - igt_assert(fourcc == DRM_FORMAT_XRGB8888);
> -
> - fb_id = igt_create_fb(data->drm_fd, width, height, fourcc,
> - DRM_FORMAT_MOD_LINEAR, fb);
> - igt_assert(fb_id > 0);
> -
> - ptr = igt_fb_map_buffer(fb->fd, fb);
> - igt_assert(ptr);
> -
> - chamelium_paint_xr24_pattern(ptr, width, height, fb->strides[0],
> - block_size);
> - igt_fb_unmap_buffer(fb, ptr);
> -
> - return fb_id;
> -}
> -
> -static void
> -enable_output(data_t *data,
> - struct chamelium_port *port,
> - igt_output_t *output,
> - drmModeModeInfo *mode,
> - struct igt_fb *fb)
> -{
> - igt_display_t *display = output->display;
> - igt_plane_t *primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - drmModeConnector *connector = chamelium_port_get_connector(
> - data->chamelium, port, false);
> -
> - igt_assert(primary);
> -
> - igt_plane_set_size(primary, mode->hdisplay, mode->vdisplay);
> - igt_plane_set_fb(primary, fb);
> - igt_output_override_mode(output, mode);
> -
> - /* Clear any color correction values that might be enabled */
> - if (igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_DEGAMMA_LUT))
> - igt_pipe_obj_replace_prop_blob(primary->pipe, IGT_CRTC_DEGAMMA_LUT, NULL, 0);
> - if (igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_GAMMA_LUT))
> - igt_pipe_obj_replace_prop_blob(primary->pipe, IGT_CRTC_GAMMA_LUT, NULL, 0);
> - if (igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_CTM))
> - igt_pipe_obj_replace_prop_blob(primary->pipe, IGT_CRTC_CTM, NULL, 0);
> -
> - igt_display_commit2(display, COMMIT_ATOMIC);
> -
> - if (chamelium_port_get_type(port) == DRM_MODE_CONNECTOR_VGA)
> - usleep(250000);
> -
> - drmModeFreeConnector(connector);
> -}
> -
> -static enum pipe get_pipe_for_output(igt_display_t *display, igt_output_t *output)
> -{
> - enum pipe pipe;
> -
> - for_each_pipe(display, pipe) {
> - if (igt_pipe_connector_valid(pipe, output)) {
> - return pipe;
> - }
> - }
> -
> - igt_assert_f(false, "No pipe found for output %s\n",
> - igt_output_name(output));
> -}
> -
> -static void create_fb_for_mode(data_t *data, struct igt_fb *fb, drmModeModeInfo *mode)
> -{
> - int fb_id;
> -
> - fb_id = chamelium_get_pattern_fb(data, mode->hdisplay, mode->vdisplay,
> - DRM_FORMAT_XRGB8888, 64, fb);
> -
> - igt_assert(fb_id > 0);
> -}
> -
> -static drmModeModeInfo get_mode_for_port(struct chamelium *chamelium,
> - struct chamelium_port *port)
> -{
> - drmModeConnector *connector = chamelium_port_get_connector(chamelium,
> - port, false);
> - drmModeModeInfo mode;
> - igt_assert(&connector->modes[0] != NULL);
> - memcpy(&mode, &connector->modes[0], sizeof(mode));
> - drmModeFreeConnector(connector);
> - return mode;
> -}
> -
> -static igt_output_t *get_output_for_port(data_t *data,
> - struct chamelium_port *port)
> -{
> - drmModeConnector *connector =
> - chamelium_port_get_connector(data->chamelium, port, true);
> - igt_output_t *output = igt_output_from_connector(&data->display,
> - connector);
> - drmModeFreeConnector(connector);
> - igt_assert(output != NULL);
> - return output;
> -}
> -
> -static const char test_hotplug_for_each_pipe_desc[] =
> - "Check that we get uevents and updated connector status on "
> - "hotplug and unplug for each pipe with valid output";
> -static void
> -test_hotplug_for_each_pipe(data_t *data, struct chamelium_port *port)
> -{
> - igt_output_t *output;
> - enum pipe pipe;
> - struct udev_monitor *mon = igt_watch_uevents();
> -
> - chamelium_reset_state(&data->display,
> - data->chamelium,
> - port,
> - data->ports,
> - data->port_count);
> -
> - igt_hpd_storm_set_threshold(data->drm_fd, 0);
> - /* Disconnect if any port got connected */
> - chamelium_unplug(data->chamelium, port);
> - wait_for_connector_after_hotplug(data, mon, port,
> - DRM_MODE_DISCONNECTED);
> -
> - for_each_pipe(&data->display, pipe) {
> - igt_flush_uevents(mon);
> - /* Check if we get a sysfs hotplug event */
> - chamelium_plug(data->chamelium, port);
> - wait_for_connector_after_hotplug(data, mon, port,
> - DRM_MODE_CONNECTED);
> - igt_flush_uevents(mon);
> - output = get_output_for_port(data, port);
> -
> - /* If pipe is valid for output then set it */
> - if (igt_pipe_connector_valid(pipe, output)) {
> - igt_output_set_pipe(output, pipe);
> - igt_display_commit2(&data->display, COMMIT_ATOMIC);
> - }
> -
> - chamelium_unplug(data->chamelium, port);
> - wait_for_connector_after_hotplug(data, mon, port,
> - DRM_MODE_DISCONNECTED);
> - igt_flush_uevents(mon);
> - }
> -
> - igt_cleanup_uevents(mon);
> - igt_hpd_storm_reset(data->drm_fd);
> -}
> -
> -static const char test_basic_hotplug_desc[] =
> - "Check that we get uevents and updated connector status on "
> - "hotplug and unplug";
> -static void
> -test_hotplug(data_t *data, struct chamelium_port *port, int toggle_count,
> - enum test_modeset_mode modeset_mode)
> -{
> - int i;
> - enum pipe pipe;
> - struct igt_fb fb = {0};
> - drmModeModeInfo mode;
> - struct udev_monitor *mon = igt_watch_uevents();
> - igt_output_t *output = get_output_for_port(data, port);
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium, NULL,
> - data->ports, data->port_count);
> -
> -
> - igt_hpd_storm_set_threshold(data->drm_fd, 0);
> -
> - for (i = 0; i < toggle_count; i++) {
> - igt_flush_uevents(mon);
> -
> - /* Check if we get a sysfs hotplug event */
> - chamelium_plug(data->chamelium, port);
> -
> - wait_for_connector_after_hotplug(data, mon, port,
> - DRM_MODE_CONNECTED);
> - igt_flush_uevents(mon);
> -
> - if (modeset_mode == TEST_MODESET_ON_OFF ||
> - (modeset_mode == TEST_MODESET_ON && i == 0 )) {
> - if (i == 0) {
> - /* We can only get mode and pipe once we are connected */
> - output = get_output_for_port(data, port);
> - pipe = get_pipe_for_output(&data->display, output);
> - mode = get_mode_for_port(data->chamelium, port);
> - create_fb_for_mode(data, &fb, &mode);
> - }
> -
> - igt_output_set_pipe(output, pipe);
> - enable_output(data, port, output, &mode, &fb);
> - }
> -
> - /* Now check if we get a hotplug from disconnection */
> - chamelium_unplug(data->chamelium, port);
> -
> - wait_for_connector_after_hotplug(data, mon, port,
> - DRM_MODE_DISCONNECTED);
> -
> - igt_flush_uevents(mon);
> -
> - if (modeset_mode == TEST_MODESET_ON_OFF) {
> - igt_output_set_pipe(output, PIPE_NONE);
> - igt_display_commit2(&data->display, COMMIT_ATOMIC);
> - }
> - }
> -
> - igt_cleanup_uevents(mon);
> - igt_hpd_storm_reset(data->drm_fd);
> - igt_remove_fb(data->drm_fd, &fb);
> -}
> -
> -static void set_edid(data_t *data, struct chamelium_port *port,
> - enum igt_custom_edid_type edid)
> -{
> - chamelium_port_set_edid(data->chamelium, port, data->edids[edid]);
> -}
> -
> -static const char igt_custom_edid_type_read_desc[] =
> - "Make sure the EDID exposed by KMS is the same as the screen's";
> -static void
> -igt_custom_edid_type_read(data_t *data, struct chamelium_port *port, enum igt_custom_edid_type edid)
> -{
> - drmModePropertyBlobPtr edid_blob = NULL;
> - drmModeConnector *connector;
> - size_t raw_edid_size;
> - const struct edid *raw_edid;
> - uint64_t edid_blob_id;
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - set_edid(data, port, edid);
> - chamelium_plug(data->chamelium, port);
> - chamelium_wait_for_conn_status_change(&data->display, data->chamelium,
> - port, DRM_MODE_CONNECTED);
> -
> - igt_skip_on(check_analog_bridge(data, port));
> -
> - connector = chamelium_port_get_connector(data->chamelium, port, true);
> - igt_assert(kmstest_get_property(data->drm_fd, connector->connector_id,
> - DRM_MODE_OBJECT_CONNECTOR, "EDID", NULL,
> - &edid_blob_id, NULL));
> - igt_assert(edid_blob_id != 0);
> - igt_assert(edid_blob = drmModeGetPropertyBlob(data->drm_fd,
> - edid_blob_id));
> -
> - raw_edid = chamelium_edid_get_raw(data->edids[edid], port);
> - raw_edid_size = edid_get_size(raw_edid);
> - igt_assert(memcmp(raw_edid, edid_blob->data, raw_edid_size) == 0);
> -
> - drmModeFreePropertyBlob(edid_blob);
> - drmModeFreeConnector(connector);
> -}
> -
> -static void
> -try_suspend_resume_hpd(data_t *data, struct chamelium_port *port,
> - enum igt_suspend_state state, enum igt_suspend_test test,
> - struct udev_monitor *mon, bool connected)
> -{
> - drmModeConnection target_state = connected ? DRM_MODE_DISCONNECTED :
> - DRM_MODE_CONNECTED;
> - int timeout = CHAMELIUM_HOTPLUG_TIMEOUT;
> - int delay;
> - int p;
> -
> - igt_flush_uevents(mon);
> -
> - delay = igt_get_autoresume_delay(state) * 1000 / 2;
> -
> - if (port) {
> - chamelium_schedule_hpd_toggle(data->chamelium, port, delay,
> - !connected);
> - } else {
> - for (p = 0; p < data->port_count; p++) {
> - port = data->ports[p];
> - chamelium_schedule_hpd_toggle(data->chamelium, port,
> - delay, !connected);
> - }
> -
> - port = NULL;
> - }
> -
> - igt_system_suspend_autoresume(state, test);
> - igt_assert(wait_for_hotplug(mon, &timeout));
> - chamelium_assert_reachable(data->chamelium, ONLINE_TIMEOUT);
> -
> - if (port) {
> - igt_assert_eq(chamelium_reprobe_connector(&data->display,
> - data->chamelium,
> - port),
> - target_state);
> - } else {
> - for (p = 0; p < data->port_count; p++) {
> - drmModeConnection current_state;
> -
> - port = data->ports[p];
> - /*
> - * There could be as many hotplug events sent by
> - * driver as connectors we scheduled an HPD toggle on
> - * above, depending on timing. So if we're not seeing
> - * the expected connector state try to wait for an HPD
> - * event for each connector/port.
> - */
> - current_state = chamelium_reprobe_connector(&data->display, data->chamelium, port);
> - if (p > 0 && current_state != target_state) {
> - igt_assert(wait_for_hotplug(mon, &timeout));
> - current_state = chamelium_reprobe_connector(&data->display, data->chamelium, port);
> - }
> -
> - igt_assert_eq(current_state, target_state);
> - }
> -
> - port = NULL;
> - }
> -}
> -
> -static const char test_suspend_resume_hpd_desc[] =
> - "Toggle HPD during suspend, check that uevents are sent and connector "
> - "status is updated";
> -static void
> -test_suspend_resume_hpd(data_t *data, struct chamelium_port *port,
> - enum igt_suspend_state state,
> - enum igt_suspend_test test)
> -{
> - struct udev_monitor *mon = igt_watch_uevents();
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - /* Make sure we notice new connectors after resuming */
> - try_suspend_resume_hpd(data, port, state, test, mon, false);
> -
> - /* Now make sure we notice disconnected connectors after resuming */
> - try_suspend_resume_hpd(data, port, state, test, mon, true);
> -
> - igt_cleanup_uevents(mon);
> -}
> -
> -static const char test_suspend_resume_hpd_common_desc[] =
> - "Toggle HPD during suspend on all connectors, check that uevents are "
> - "sent and connector status is updated";
> -static void
> -test_suspend_resume_hpd_common(data_t *data, enum igt_suspend_state state,
> - enum igt_suspend_test test)
> -{
> - struct udev_monitor *mon = igt_watch_uevents();
> - struct chamelium_port *port;
> - int p;
> -
> - for (p = 0; p < data->port_count; p++) {
> - port = data->ports[p];
> - igt_debug("Testing port %s\n", chamelium_port_get_name(port));
> - }
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium, NULL,
> - data->ports, data->port_count);
> -
> - /* Make sure we notice new connectors after resuming */
> - try_suspend_resume_hpd(data, NULL, state, test, mon, false);
> -
> - /* Now make sure we notice disconnected connectors after resuming */
> - try_suspend_resume_hpd(data, NULL, state, test, mon, true);
> -
> - igt_cleanup_uevents(mon);
> -}
> -
> -static const char test_suspend_resume_edid_change_desc[] =
> - "Simulate a screen being unplugged and another screen being plugged "
> - "during suspend, check that a uevent is sent and connector status is "
> - "updated";
> -static void
> -test_suspend_resume_edid_change(data_t *data, struct chamelium_port *port,
> - enum igt_suspend_state state,
> - enum igt_suspend_test test,
> - enum igt_custom_edid_type edid,
> - enum igt_custom_edid_type alt_edid)
> -{
> - struct udev_monitor *mon = igt_watch_uevents();
> - bool link_status_failed[2][data->port_count];
> - int p;
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - /* Catch the event and flush all remaining ones. */
> - igt_assert(igt_hotplug_detected(mon, CHAMELIUM_HOTPLUG_TIMEOUT));
> - igt_flush_uevents(mon);
> -
> - /* First plug in the port */
> - set_edid(data, port, edid);
> - chamelium_plug(data->chamelium, port);
> - igt_assert(igt_hotplug_detected(mon, CHAMELIUM_HOTPLUG_TIMEOUT));
> -
> - chamelium_wait_for_conn_status_change(&data->display, data->chamelium,
> - port, DRM_MODE_CONNECTED);
> -
> - /*
> - * Change the edid before we suspend. On resume, the machine should
> - * notice the EDID change and fire a hotplug event.
> - */
> - set_edid(data, port, alt_edid);
> -
> - get_connectors_link_status_failed(data, link_status_failed[0]);
> -
> - igt_flush_uevents(mon);
> -
> - igt_system_suspend_autoresume(state, test);
> - igt_assert(igt_hotplug_detected(mon, CHAMELIUM_HOTPLUG_TIMEOUT));
> - chamelium_assert_reachable(data->chamelium, ONLINE_TIMEOUT);
> -
> - get_connectors_link_status_failed(data, link_status_failed[1]);
> -
> - for (p = 0; p < data->port_count; p++)
> - igt_skip_on(!link_status_failed[0][p] && link_status_failed[1][p]);
> -}
> -
> -static igt_output_t *
> -prepare_output(data_t *data, struct chamelium_port *port, enum igt_custom_edid_type edid)
> -{
> - igt_display_t *display = &data->display;
> - igt_output_t *output;
> - enum pipe pipe;
> -
> - /* The chamelium's default EDID has a lot of resolutions, way more then
> - * we need to test. Additionally the default EDID doesn't support HDMI
> - * audio.
> - */
> - set_edid(data, port, edid);
> -
> - chamelium_plug(data->chamelium, port);
> - chamelium_wait_for_conn_status_change(&data->display, data->chamelium,
> - port, DRM_MODE_CONNECTED);
> -
> - igt_display_reset(display);
> -
> - output = get_output_for_port(data, port);
> -
> - /* Refresh pipe to update connected status */
> - igt_output_set_pipe(output, PIPE_NONE);
> -
> - pipe = get_pipe_for_output(display, output);
> - igt_output_set_pipe(output, pipe);
> -
> - return output;
> -}
> -
> -static void do_test_display(data_t *data, struct chamelium_port *port,
> - igt_output_t *output, drmModeModeInfo *mode,
> - uint32_t fourcc, enum chamelium_check check,
> - int count)
> -{
> - struct chamelium_fb_crc_async_data *fb_crc;
> - struct igt_fb frame_fb, fb;
> - int i, fb_id, captured_frame_count;
> - int frame_id;
> -
> - fb_id = chamelium_get_pattern_fb(data, mode->hdisplay, mode->vdisplay,
> - DRM_FORMAT_XRGB8888, 64, &fb);
> - igt_assert(fb_id > 0);
> -
> - frame_id = igt_fb_convert(&frame_fb, &fb, fourcc,
> - DRM_FORMAT_MOD_LINEAR);
> - igt_assert(frame_id > 0);
> -
> - if (check == CHAMELIUM_CHECK_CRC)
> - fb_crc = chamelium_calculate_fb_crc_async_start(data->drm_fd,
> - &fb);
> -
> - enable_output(data, port, output, mode, &frame_fb);
> -
> - if (check == CHAMELIUM_CHECK_CRC) {
> - igt_crc_t *expected_crc;
> - igt_crc_t *crc;
> -
> - /* We want to keep the display running for a little bit, since
> - * there's always the potential the driver isn't able to keep
> - * the display running properly for very long
> - */
> - chamelium_capture(data->chamelium, port, 0, 0, 0, 0, count);
> - crc = chamelium_read_captured_crcs(data->chamelium,
> - &captured_frame_count);
> -
> - igt_assert(captured_frame_count == count);
> -
> - igt_debug("Captured %d frames\n", captured_frame_count);
> -
> - expected_crc = chamelium_calculate_fb_crc_async_finish(fb_crc);
> -
> - for (i = 0; i < captured_frame_count; i++)
> - chamelium_assert_crc_eq_or_dump(data->chamelium,
> - expected_crc, &crc[i],
> - &fb, i);
> -
> - free(expected_crc);
> - free(crc);
> - } else if (check == CHAMELIUM_CHECK_ANALOG ||
> - check == CHAMELIUM_CHECK_CHECKERBOARD) {
> - struct chamelium_frame_dump *dump;
> -
> - igt_assert(count == 1);
> -
> - dump = chamelium_port_dump_pixels(data->chamelium, port, 0, 0,
> - 0, 0);
> -
> - if (check == CHAMELIUM_CHECK_ANALOG)
> - chamelium_crop_analog_frame(dump, mode->hdisplay,
> - mode->vdisplay);
> -
> - chamelium_assert_frame_match_or_dump(data->chamelium, port,
> - dump, &fb, check);
> - chamelium_destroy_frame_dump(dump);
> - }
> -
> - igt_remove_fb(data->drm_fd, &frame_fb);
> - igt_remove_fb(data->drm_fd, &fb);
> -}
> -
> -static const char test_display_one_mode_desc[] =
> - "Pick the first mode of the IGT base EDID, display and capture a few "
> - "frames, then check captured frames are correct";
> -static void test_display_one_mode(data_t *data, struct chamelium_port *port,
> - uint32_t fourcc, enum chamelium_check check,
> - int count)
> -{
> - drmModeConnector *connector;
> - drmModeModeInfo *mode;
> - igt_output_t *output;
> - igt_plane_t *primary;
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - output = prepare_output(data, port, IGT_CUSTOM_EDID_BASE);
> - connector = chamelium_port_get_connector(data->chamelium, port, false);
> - primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> -
> - igt_require(igt_plane_has_format_mod(primary, fourcc, DRM_FORMAT_MOD_LINEAR));
> -
> - mode = &connector->modes[0];
> - if (check == CHAMELIUM_CHECK_ANALOG) {
> - bool bridge = check_analog_bridge(data, port);
> -
> - igt_assert(!(bridge && prune_vga_mode(data, mode)));
> - }
> -
> - do_test_display(data, port, output, mode, fourcc, check, count);
> -
> - drmModeFreeConnector(connector);
> -}
> -
> -static const char test_display_all_modes_desc[] =
> - "For each mode of the IGT base EDID, display and capture a few "
> - "frames, then check captured frames are correct";
> -static void test_display_all_modes(data_t *data, struct chamelium_port *port,
> - uint32_t fourcc, enum chamelium_check check,
> - int count)
> -{
> - bool bridge;
> - int i, count_modes;
> -
> - if (check == CHAMELIUM_CHECK_ANALOG)
> - bridge = check_analog_bridge(data, port);
> -
> - i = 0;
> - do {
> - igt_output_t *output;
> - igt_plane_t *primary;
> - drmModeConnector *connector;
> - drmModeModeInfo *mode;
> -
> - /*
> - * let's reset state each mode so we will get the
> - * HPD pulses realibably
> - */
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - /*
> - * modes may change due to mode pruining and link issues, so we
> - * need to refresh the connector
> - */
> - output = prepare_output(data, port, IGT_CUSTOM_EDID_BASE);
> - connector = chamelium_port_get_connector(data->chamelium, port,
> - false);
> - primary = igt_output_get_plane_type(output,
> - DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> - igt_require(igt_plane_has_format_mod(primary, fourcc,
> - DRM_FORMAT_MOD_LINEAR));
> -
> - /* we may skip some modes due to above but that's ok */
> - count_modes = connector->count_modes;
> - if (i >= count_modes)
> - break;
> -
> - mode = &connector->modes[i];
> -
> - if (check == CHAMELIUM_CHECK_ANALOG && bridge &&
> - prune_vga_mode(data, mode))
> - continue;
> -
> - do_test_display(data, port, output, mode, fourcc, check,
> - count);
> - drmModeFreeConnector(connector);
> - } while (++i < count_modes);
> -}
> -
> -static const char test_display_frame_dump_desc[] =
> - "For each mode of the IGT base EDID, display and capture a few "
> - "frames, then download the captured frames and compare them "
> - "bit-by-bit to the sent ones";
> -static void
> -test_display_frame_dump(data_t *data, struct chamelium_port *port)
> -{
> -
> - int i, count_modes;
> -
> - i = 0;
> - do {
> - igt_output_t *output;
> - igt_plane_t *primary;
> - struct igt_fb fb;
> - struct chamelium_frame_dump *frame;
> - drmModeModeInfo *mode;
> - drmModeConnector *connector;
> - int fb_id, j;
> -
> - /*
> - * let's reset state each mode so we will get the
> - * HPD pulses realibably
> - */
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - /*
> - * modes may change due to mode pruining and link issues, so we
> - * need to refresh the connector
> - */
> - output = prepare_output(data, port, IGT_CUSTOM_EDID_BASE);
> - connector = chamelium_port_get_connector(data->chamelium, port,
> - false);
> - primary = igt_output_get_plane_type(output,
> - DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> -
> - /* we may skip some modes due to above but that's ok */
> - count_modes = connector->count_modes;
> - if (i >= count_modes)
> - break;
> -
> - mode = &connector->modes[i];
> -
> - fb_id = igt_create_color_pattern_fb(data->drm_fd,
> - mode->hdisplay, mode->vdisplay,
> - DRM_FORMAT_XRGB8888,
> - DRM_FORMAT_MOD_LINEAR,
> - 0, 0, 0, &fb);
> - igt_assert(fb_id > 0);
> -
> - enable_output(data, port, output, mode, &fb);
> -
> - igt_debug("Reading frame dumps from Chamelium...\n");
> - chamelium_capture(data->chamelium, port, 0, 0, 0, 0, 5);
> - for (j = 0; j < 5; j++) {
> - frame = chamelium_read_captured_frame(data->chamelium,
> - j);
> - chamelium_assert_frame_eq(data->chamelium, frame, &fb);
> - chamelium_destroy_frame_dump(frame);
> - }
> -
> - igt_remove_fb(data->drm_fd, &fb);
> - drmModeFreeConnector(connector);
> - } while (++i < count_modes);
> -}
> -
> -#define MODE_CLOCK_ACCURACY 0.05 /* 5% */
> -
> -static void check_mode(struct chamelium *chamelium, struct chamelium_port *port,
> - drmModeModeInfo *mode)
> -{
> - struct chamelium_video_params video_params = {0};
> - double mode_clock;
> - int mode_hsync_offset, mode_vsync_offset;
> - int mode_hsync_width, mode_vsync_width;
> - int mode_hsync_polarity, mode_vsync_polarity;
> -
> - chamelium_port_get_video_params(chamelium, port, &video_params);
> -
> - mode_clock = (double) mode->clock / 1000;
> -
> - if (chamelium_port_get_type(port) == DRM_MODE_CONNECTOR_DisplayPort) {
> - /* this is what chamelium understands as offsets for DP */
> - mode_hsync_offset = mode->htotal - mode->hsync_start;
> - mode_vsync_offset = mode->vtotal - mode->vsync_start;
> - } else {
> - /* and this is what they are for other connectors */
> - mode_hsync_offset = mode->hsync_start - mode->hdisplay;
> - mode_vsync_offset = mode->vsync_start - mode->vdisplay;
> - }
> -
> - mode_hsync_width = mode->hsync_end - mode->hsync_start;
> - mode_vsync_width = mode->vsync_end - mode->vsync_start;
> -
> - mode_hsync_polarity = !!(mode->flags & DRM_MODE_FLAG_PHSYNC);
> - mode_vsync_polarity = !!(mode->flags & DRM_MODE_FLAG_PVSYNC);
> -
> - igt_debug("Checking video mode:\n");
> - igt_debug("clock: got %f, expected %f ± %f%%\n",
> - video_params.clock, mode_clock, MODE_CLOCK_ACCURACY * 100);
> - igt_debug("hactive: got %d, expected %d\n",
> - video_params.hactive, mode->hdisplay);
> - igt_debug("vactive: got %d, expected %d\n",
> - video_params.vactive, mode->vdisplay);
> - igt_debug("hsync_offset: got %d, expected %d\n",
> - video_params.hsync_offset, mode_hsync_offset);
> - igt_debug("vsync_offset: got %d, expected %d\n",
> - video_params.vsync_offset, mode_vsync_offset);
> - igt_debug("htotal: got %d, expected %d\n",
> - video_params.htotal, mode->htotal);
> - igt_debug("vtotal: got %d, expected %d\n",
> - video_params.vtotal, mode->vtotal);
> - igt_debug("hsync_width: got %d, expected %d\n",
> - video_params.hsync_width, mode_hsync_width);
> - igt_debug("vsync_width: got %d, expected %d\n",
> - video_params.vsync_width, mode_vsync_width);
> - igt_debug("hsync_polarity: got %d, expected %d\n",
> - video_params.hsync_polarity, mode_hsync_polarity);
> - igt_debug("vsync_polarity: got %d, expected %d\n",
> - video_params.vsync_polarity, mode_vsync_polarity);
> -
> - if (!isnan(video_params.clock)) {
> - igt_assert(video_params.clock >
> - mode_clock * (1 - MODE_CLOCK_ACCURACY));
> - igt_assert(video_params.clock <
> - mode_clock * (1 + MODE_CLOCK_ACCURACY));
> - }
> - igt_assert(video_params.hactive == mode->hdisplay);
> - igt_assert(video_params.vactive == mode->vdisplay);
> - igt_assert(video_params.hsync_offset == mode_hsync_offset);
> - igt_assert(video_params.vsync_offset == mode_vsync_offset);
> - igt_assert(video_params.htotal == mode->htotal);
> - igt_assert(video_params.vtotal == mode->vtotal);
> - igt_assert(video_params.hsync_width == mode_hsync_width);
> - igt_assert(video_params.vsync_width == mode_vsync_width);
> - igt_assert(video_params.hsync_polarity == mode_hsync_polarity);
> - igt_assert(video_params.vsync_polarity == mode_vsync_polarity);
> -}
> -
> -static const char test_mode_timings_desc[] =
> - "For each mode of the IGT base EDID, perform a modeset and check the "
> - "mode detected by the Chamelium receiver matches the mode we set";
> -static void test_mode_timings(data_t *data, struct chamelium_port *port)
> -{
> - int i, count_modes;
> -
> - i = 0;
> - igt_require(chamelium_supports_get_video_params(data->chamelium));
> - do {
> - igt_output_t *output;
> - igt_plane_t *primary;
> - drmModeConnector *connector;
> - drmModeModeInfo *mode;
> - int fb_id;
> - struct igt_fb fb;
> -
> - /*
> - * let's reset state each mode so we will get the
> - * HPD pulses realibably
> - */
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - /*
> - * modes may change due to mode pruining and link issues, so we
> - * need to refresh the connector
> - */
> - output = prepare_output(data, port, IGT_CUSTOM_EDID_BASE);
> - connector = chamelium_port_get_connector(data->chamelium, port, false);
> - primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> -
> - /* we may skip some modes due to above but that's ok */
> - count_modes = connector->count_modes;
> - if (i >= count_modes)
> - break;
> -
> - mode = &connector->modes[i];
> -
> - fb_id = igt_create_color_pattern_fb(data->drm_fd,
> - mode->hdisplay, mode->vdisplay,
> - DRM_FORMAT_XRGB8888,
> - DRM_FORMAT_MOD_LINEAR,
> - 0, 0, 0, &fb);
> - igt_assert(fb_id > 0);
> -
> - enable_output(data, port, output, mode, &fb);
> -
> - /* Trigger the FSM */
> - chamelium_capture(data->chamelium, port, 0, 0, 0, 0, 0);
> -
> - check_mode(data->chamelium, port, mode);
> -
> - igt_remove_fb(data->drm_fd, &fb);
> - drmModeFreeConnector(connector);
> - } while (++i < count_modes);
> -}
> -
> -struct vic_mode {
> - int hactive, vactive;
> - int vrefresh; /* Hz */
> - uint32_t picture_ar;
> -};
> -
> -/* Maps Video Identification Codes to a mode */
> -static const struct vic_mode vic_modes[] = {
> - [16] = {
> - .hactive = 1920,
> - .vactive = 1080,
> - .vrefresh = 60,
> - .picture_ar = DRM_MODE_PICTURE_ASPECT_16_9,
> - },
> -};
> -
> -/* Maps aspect ratios to their mode flag */
> -static const uint32_t mode_ar_flags[] = {
> - [DRM_MODE_PICTURE_ASPECT_16_9] = DRM_MODE_FLAG_PIC_AR_16_9,
> -};
> -
> -static enum infoframe_avi_picture_aspect_ratio
> -get_infoframe_avi_picture_ar(uint32_t aspect_ratio)
> -{
> - /* The AVI picture aspect ratio field only supports 4:3 and 16:9 */
> - switch (aspect_ratio) {
> - case DRM_MODE_PICTURE_ASPECT_4_3:
> - return INFOFRAME_AVI_PIC_AR_4_3;
> - case DRM_MODE_PICTURE_ASPECT_16_9:
> - return INFOFRAME_AVI_PIC_AR_16_9;
> - default:
> - return INFOFRAME_AVI_PIC_AR_UNSPECIFIED;
> - }
> -}
> -
> -static bool vic_mode_matches_drm(const struct vic_mode *vic_mode,
> - drmModeModeInfo *drm_mode)
> -{
> - uint32_t ar_flag = mode_ar_flags[vic_mode->picture_ar];
> -
> - return vic_mode->hactive == drm_mode->hdisplay &&
> - vic_mode->vactive == drm_mode->vdisplay &&
> - vic_mode->vrefresh == drm_mode->vrefresh &&
> - ar_flag == (drm_mode->flags & DRM_MODE_FLAG_PIC_AR_MASK);
> -}
> -
> -static const char test_display_aspect_ratio_desc[] =
> - "Pick a mode with a picture aspect-ratio, capture AVI InfoFrames and "
> - "check they include the relevant fields";
> -static void test_display_aspect_ratio(data_t *data, struct chamelium_port *port)
> -{
> - igt_output_t *output;
> - igt_plane_t *primary;
> - drmModeConnector *connector;
> - drmModeModeInfo *mode;
> - int fb_id, i;
> - struct igt_fb fb;
> - bool found, ok;
> - struct chamelium_infoframe *infoframe;
> - struct infoframe_avi infoframe_avi;
> - uint8_t vic = 16; /* TODO: test more VICs */
> - const struct vic_mode *vic_mode;
> - uint32_t aspect_ratio;
> - enum infoframe_avi_picture_aspect_ratio frame_ar;
> -
> - igt_require(chamelium_supports_get_last_infoframe(data->chamelium));
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - output = prepare_output(data, port, IGT_CUSTOM_EDID_ASPECT_RATIO);
> - connector = chamelium_port_get_connector(data->chamelium, port, false);
> - primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> -
> - vic_mode = &vic_modes[vic];
> - aspect_ratio = vic_mode->picture_ar;
> -
> - found = false;
> - igt_assert(connector->count_modes > 0);
> - for (i = 0; i < connector->count_modes; i++) {
> - mode = &connector->modes[i];
> -
> - if (vic_mode_matches_drm(vic_mode, mode)) {
> - found = true;
> - break;
> - }
> - }
> - igt_assert_f(found,
> - "Failed to find mode with the correct aspect ratio\n");
> -
> - fb_id = igt_create_color_pattern_fb(data->drm_fd,
> - mode->hdisplay, mode->vdisplay,
> - DRM_FORMAT_XRGB8888,
> - DRM_FORMAT_MOD_LINEAR,
> - 0, 0, 0, &fb);
> - igt_assert(fb_id > 0);
> -
> - enable_output(data, port, output, mode, &fb);
> -
> - infoframe = chamelium_get_last_infoframe(data->chamelium, port,
> - CHAMELIUM_INFOFRAME_AVI);
> - igt_assert_f(infoframe, "AVI InfoFrame not received\n");
> -
> - ok = infoframe_avi_parse(&infoframe_avi, infoframe->version,
> - infoframe->payload, infoframe->payload_size);
> - igt_assert_f(ok, "Failed to parse AVI InfoFrame\n");
> -
> - frame_ar = get_infoframe_avi_picture_ar(aspect_ratio);
> -
> - igt_debug("Checking AVI InfoFrame\n");
> - igt_debug("Picture aspect ratio: got %d, expected %d\n",
> - infoframe_avi.picture_aspect_ratio, frame_ar);
> - igt_debug("Video Identification Code (VIC): got %d, expected %d\n",
> - infoframe_avi.vic, vic);
> -
> - igt_assert(infoframe_avi.picture_aspect_ratio == frame_ar);
> - igt_assert(infoframe_avi.vic == vic);
> -
> - chamelium_infoframe_destroy(infoframe);
> - igt_remove_fb(data->drm_fd, &fb);
> - drmModeFreeConnector(connector);
> -}
> -
> -
> -/* Playback parameters control the audio signal we synthesize and send */
> -#define PLAYBACK_CHANNELS 2
> -#define PLAYBACK_SAMPLES 1024
> -
> -/* Capture paremeters control the audio signal we receive */
> -#define CAPTURE_SAMPLES 2048
> -
> -#define AUDIO_TIMEOUT 2000 /* ms */
> -/* A streak of 3 gives confidence that the signal is good. */
> -#define MIN_STREAK 3
> -
> -#define FLATLINE_AMPLITUDE 0.1 /* normalized, ie. in [0, 1] */
> -#define FLATLINE_AMPLITUDE_ACCURACY 0.001 /* ± 0.1 % of the full amplitude */
> -#define FLATLINE_ALIGN_ACCURACY 0 /* number of samples */
> -
> -/* TODO: enable >48KHz rates, these are not reliable */
> -static int test_sampling_rates[] = {
> - 32000,
> - 44100,
> - 48000,
> - /* 88200, */
> - /* 96000, */
> - /* 176400, */
> - /* 192000, */
> -};
> -
> -static int test_sampling_rates_count = sizeof(test_sampling_rates) / sizeof(int);
> -
> -/* Test frequencies (Hz): a sine signal will be generated for each.
> - *
> - * Depending on the sampling rate chosen, it might not be possible to properly
> - * detect the generated sine (see Nyquist–Shannon sampling theorem).
> - * Frequencies that can't be reliably detected will be automatically pruned in
> - * #audio_signal_add_frequency. For instance, the 80KHz frequency can only be
> - * tested with a 192KHz sampling rate.
> - */
> -static int test_frequencies[] = {
> - 300,
> - 600,
> - 1200,
> - 10000,
> - 80000,
> -};
> -
> -static int test_frequencies_count = sizeof(test_frequencies) / sizeof(int);
> -
> -static const snd_pcm_format_t test_formats[] = {
> - SND_PCM_FORMAT_S16_LE,
> - SND_PCM_FORMAT_S24_LE,
> - SND_PCM_FORMAT_S32_LE,
> -};
> -
> -static const size_t test_formats_count = sizeof(test_formats) / sizeof(test_formats[0]);
> -
> -struct audio_state {
> - struct alsa *alsa;
> - struct chamelium *chamelium;
> - struct chamelium_port *port;
> - struct chamelium_stream *stream;
> -
> - /* The capture format is only available after capture has started. */
> - struct {
> - snd_pcm_format_t format;
> - int channels;
> - int rate;
> - } playback, capture;
> -
> - char *name;
> - struct audio_signal *signal; /* for frequencies test only */
> - int channel_mapping[CHAMELIUM_MAX_AUDIO_CHANNELS];
> -
> - size_t recv_pages;
> - int msec;
> -
> - int dump_fd;
> - char *dump_path;
> -
> - pthread_t thread;
> - atomic_bool run;
> - atomic_bool positive; /* for pulse test only */
> -};
> -
> -static void audio_state_init(struct audio_state *state, data_t *data,
> - struct alsa *alsa, struct chamelium_port *port,
> - snd_pcm_format_t format, int channels, int rate)
> -{
> - memset(state, 0, sizeof(*state));
> - state->dump_fd = -1;
> -
> - state->alsa = alsa;
> - state->chamelium = data->chamelium;
> - state->port = port;
> -
> - state->playback.format = format;
> - state->playback.channels = channels;
> - state->playback.rate = rate;
> -
> - alsa_configure_output(alsa, format, channels, rate);
> -
> - state->stream = chamelium_stream_init();
> - igt_assert_f(state->stream,
> - "Failed to initialize Chamelium stream client\n");
> -}
> -
> -static void audio_state_fini(struct audio_state *state)
> -{
> - chamelium_stream_deinit(state->stream);
> - free(state->name);
> -}
> -
> -static void *run_audio_thread(void *data)
> -{
> - struct alsa *alsa = data;
> -
> - alsa_run(alsa, -1);
> - return NULL;
> -}
> -
> -static void audio_state_start(struct audio_state *state, const char *name)
> -{
> - int ret;
> - bool ok;
> - size_t i, j;
> - enum chamelium_stream_realtime_mode stream_mode;
> - char dump_suffix[64];
> -
> - free(state->name);
> - state->name = strdup(name);
> - state->recv_pages = 0;
> - state->msec = 0;
> -
> - igt_debug("Starting %s test with playback format %s, "
> - "sampling rate %d Hz and %d channels\n",
> - name, snd_pcm_format_name(state->playback.format),
> - state->playback.rate, state->playback.channels);
> -
> - chamelium_start_capturing_audio(state->chamelium, state->port, false);
> -
> - stream_mode = CHAMELIUM_STREAM_REALTIME_STOP_WHEN_OVERFLOW;
> - ok = chamelium_stream_dump_realtime_audio(state->stream, stream_mode);
> - igt_assert_f(ok, "Failed to start streaming audio capture\n");
> -
> - /* Start playing audio */
> - state->run = true;
> - ret = pthread_create(&state->thread, NULL,
> - run_audio_thread, state->alsa);
> - igt_assert_f(ret == 0, "Failed to start audio playback thread\n");
> -
> - /* The Chamelium device only supports this PCM format. */
> - state->capture.format = SND_PCM_FORMAT_S32_LE;
> -
> - /* Only after we've started playing audio, we can retrieve the capture
> - * format used by the Chamelium device. */
> - chamelium_get_audio_format(state->chamelium, state->port,
> - &state->capture.rate,
> - &state->capture.channels);
> - if (state->capture.rate == 0) {
> - igt_debug("Audio receiver doesn't indicate the capture "
> - "sampling rate, assuming it's %d Hz\n",
> - state->playback.rate);
> - state->capture.rate = state->playback.rate;
> - }
> -
> - chamelium_get_audio_channel_mapping(state->chamelium, state->port,
> - state->channel_mapping);
> - /* Make sure we can capture all channels we send. */
> - for (i = 0; i < state->playback.channels; i++) {
> - ok = false;
> - for (j = 0; j < state->capture.channels; j++) {
> - if (state->channel_mapping[j] == i) {
> - ok = true;
> - break;
> - }
> - }
> - igt_assert_f(ok, "Cannot capture all channels\n");
> - }
> -
> - if (igt_frame_dump_is_enabled()) {
> - snprintf(dump_suffix, sizeof(dump_suffix),
> - "capture-%s-%s-%dch-%dHz",
> - name, snd_pcm_format_name(state->playback.format),
> - state->playback.channels, state->playback.rate);
> -
> - state->dump_fd = audio_create_wav_file_s32_le(dump_suffix,
> - state->capture.rate,
> - state->capture.channels,
> - &state->dump_path);
> - igt_assert_f(state->dump_fd >= 0,
> - "Failed to create audio dump file\n");
> - }
> -}
> -
> -static void audio_state_receive(struct audio_state *state,
> - int32_t **recv, size_t *recv_len)
> -{
> - bool ok;
> - size_t page_count;
> - size_t recv_size;
> -
> - ok = chamelium_stream_receive_realtime_audio(state->stream,
> - &page_count,
> - recv, recv_len);
> - igt_assert_f(ok, "Failed to receive audio from stream server\n");
> -
> - state->msec = state->recv_pages * *recv_len
> - / (double) state->capture.channels
> - / (double) state->capture.rate * 1000;
> - state->recv_pages++;
> -
> - if (state->dump_fd >= 0) {
> - recv_size = *recv_len * sizeof(int32_t);
> - igt_assert_f(write(state->dump_fd, *recv, recv_size) == recv_size,
> - "Failed to write to audio dump file\n");
> - }
> -}
> -
> -static void audio_state_stop(struct audio_state *state, bool success)
> -{
> - bool ok;
> - int ret;
> - struct chamelium_audio_file *audio_file;
> - enum igt_log_level log_level;
> -
> - igt_debug("Stopping audio playback\n");
> - state->run = false;
> - ret = pthread_join(state->thread, NULL);
> - igt_assert_f(ret == 0, "Failed to join audio playback thread\n");
> -
> - ok = chamelium_stream_stop_realtime_audio(state->stream);
> - igt_assert_f(ok, "Failed to stop streaming audio capture\n");
> -
> - audio_file = chamelium_stop_capturing_audio(state->chamelium,
> - state->port);
> - if (audio_file) {
> - igt_debug("Audio file saved on the Chamelium in %s\n",
> - audio_file->path);
> - chamelium_destroy_audio_file(audio_file);
> - }
> -
> - if (state->dump_fd >= 0) {
> - close(state->dump_fd);
> - state->dump_fd = -1;
> -
> - if (success) {
> - /* Test succeeded, no need to keep the captured data */
> - unlink(state->dump_path);
> - } else
> - igt_debug("Saved captured audio data to %s\n",
> - state->dump_path);
> - free(state->dump_path);
> - state->dump_path = NULL;
> - }
> -
> - if (success)
> - log_level = IGT_LOG_DEBUG;
> - else
> - log_level = IGT_LOG_CRITICAL;
> -
> - igt_log(IGT_LOG_DOMAIN, log_level, "Audio %s test result for format %s, "
> - "sampling rate %d Hz and %d channels: %s\n",
> - state->name, snd_pcm_format_name(state->playback.format),
> - state->playback.rate, state->playback.channels,
> - success ? "ALL GREEN" : "FAILED");
> -
> -}
> -
> -static void check_audio_infoframe(struct audio_state *state)
> -{
> - struct chamelium_infoframe *infoframe;
> - struct infoframe_audio infoframe_audio;
> - struct infoframe_audio expected = {0};
> - bool ok;
> -
> - if (!chamelium_supports_get_last_infoframe(state->chamelium)) {
> - igt_debug("Skipping audio InfoFrame check: "
> - "Chamelium board doesn't support GetLastInfoFrame\n");
> - return;
> - }
> -
> - expected.coding_type = INFOFRAME_AUDIO_CT_PCM;
> - expected.channel_count = state->playback.channels;
> - expected.sampling_freq = state->playback.rate;
> - expected.sample_size = snd_pcm_format_width(state->playback.format);
> -
> - infoframe = chamelium_get_last_infoframe(state->chamelium, state->port,
> - CHAMELIUM_INFOFRAME_AUDIO);
> - if (infoframe == NULL && state->playback.channels <= 2) {
> - /* Audio InfoFrames are optional for mono and stereo audio */
> - igt_debug("Skipping audio InfoFrame check: "
> - "no InfoFrame received\n");
> - return;
> - }
> - igt_assert_f(infoframe != NULL, "no audio InfoFrame received\n");
> -
> - ok = infoframe_audio_parse(&infoframe_audio, infoframe->version,
> - infoframe->payload, infoframe->payload_size);
> - chamelium_infoframe_destroy(infoframe);
> - igt_assert_f(ok, "failed to parse audio InfoFrame\n");
> -
> - igt_debug("Checking audio InfoFrame:\n");
> - igt_debug("coding_type: got %d, expected %d\n",
> - infoframe_audio.coding_type, expected.coding_type);
> - igt_debug("channel_count: got %d, expected %d\n",
> - infoframe_audio.channel_count, expected.channel_count);
> - igt_debug("sampling_freq: got %d, expected %d\n",
> - infoframe_audio.sampling_freq, expected.sampling_freq);
> - igt_debug("sample_size: got %d, expected %d\n",
> - infoframe_audio.sample_size, expected.sample_size);
> -
> - if (infoframe_audio.coding_type != INFOFRAME_AUDIO_CT_UNSPECIFIED)
> - igt_assert(infoframe_audio.coding_type == expected.coding_type);
> - if (infoframe_audio.channel_count >= 0)
> - igt_assert(infoframe_audio.channel_count == expected.channel_count);
> - if (infoframe_audio.sampling_freq >= 0)
> - igt_assert(infoframe_audio.sampling_freq == expected.sampling_freq);
> - if (infoframe_audio.sample_size >= 0)
> - igt_assert(infoframe_audio.sample_size == expected.sample_size);
> -}
> -
> -static int
> -audio_output_frequencies_callback(void *data, void *buffer, int samples)
> -{
> - struct audio_state *state = data;
> - double *tmp;
> - size_t len;
> -
> - len = samples * state->playback.channels;
> - tmp = malloc(len * sizeof(double));
> - audio_signal_fill(state->signal, tmp, samples);
> - audio_convert_to(buffer, tmp, len, state->playback.format);
> - free(tmp);
> -
> - return state->run ? 0 : -1;
> -}
> -
> -static bool test_audio_frequencies(struct audio_state *state)
> -{
> - int freq, step;
> - int32_t *recv, *buf;
> - double *channel;
> - size_t i, j, streak;
> - size_t recv_len, buf_len, buf_cap, channel_len;
> - bool success;
> - int capture_chan;
> -
> - state->signal = audio_signal_init(state->playback.channels,
> - state->playback.rate);
> - igt_assert_f(state->signal, "Failed to initialize audio signal\n");
> -
> - /* We'll choose different frequencies per channel to make sure they are
> - * independent from each other. To do so, we'll add a different offset
> - * to the base frequencies for each channel. We need to choose a big
> - * enough offset so that we're sure to detect mixed up channels. We
> - * choose an offset of two 2 bins in the final FFT to enforce a clear
> - * difference.
> - *
> - * Note that we assume capture_rate == playback_rate. We'll assert this
> - * later on. We cannot retrieve the capture rate before starting
> - * playing audio, so we don't really have the choice.
> - */
> - step = 2 * state->playback.rate / CAPTURE_SAMPLES;
> - for (i = 0; i < test_frequencies_count; i++) {
> - for (j = 0; j < state->playback.channels; j++) {
> - freq = test_frequencies[i] + j * step;
> - audio_signal_add_frequency(state->signal, freq, j);
> - }
> - }
> - audio_signal_synthesize(state->signal);
> -
> - alsa_register_output_callback(state->alsa,
> - audio_output_frequencies_callback, state,
> - PLAYBACK_SAMPLES);
> -
> - audio_state_start(state, "frequencies");
> -
> - igt_assert_f(state->capture.rate == state->playback.rate,
> - "Capture rate (%dHz) doesn't match playback rate (%dHz)\n",
> - state->capture.rate, state->playback.rate);
> -
> - /* Needs to be a multiple of 128, because that's the number of samples
> - * we get per channel each time we receive an audio page from the
> - * Chamelium device.
> - *
> - * Additionally, this value needs to be high enough to guarantee we
> - * capture a full period of each sine we generate. If we capture 2048
> - * samples at a 192KHz sampling rate, we get a full period for a >94Hz
> - * sines. For lower sampling rates, the capture duration will be
> - * longer.
> - */
> - channel_len = CAPTURE_SAMPLES;
> - channel = malloc(sizeof(double) * channel_len);
> -
> - buf_cap = state->capture.channels * channel_len;
> - buf = malloc(sizeof(int32_t) * buf_cap);
> - buf_len = 0;
> -
> - recv = NULL;
> - recv_len = 0;
> -
> - success = false;
> - streak = 0;
> - while (!success && state->msec < AUDIO_TIMEOUT) {
> - audio_state_receive(state, &recv, &recv_len);
> -
> - memcpy(&buf[buf_len], recv, recv_len * sizeof(int32_t));
> - buf_len += recv_len;
> -
> - if (buf_len < buf_cap)
> - continue;
> - igt_assert(buf_len == buf_cap);
> -
> - igt_debug("Detecting audio signal, t=%d msec\n", state->msec);
> -
> - for (j = 0; j < state->playback.channels; j++) {
> - capture_chan = state->channel_mapping[j];
> - igt_assert(capture_chan >= 0);
> - igt_debug("Processing channel %zu (captured as "
> - "channel %d)\n", j, capture_chan);
> -
> - audio_extract_channel_s32_le(channel, channel_len,
> - buf, buf_len,
> - state->capture.channels,
> - capture_chan);
> -
> - if (audio_signal_detect(state->signal,
> - state->capture.rate, j,
> - channel, channel_len))
> - streak++;
> - else
> - streak = 0;
> - }
> -
> - buf_len = 0;
> -
> - success = streak == MIN_STREAK * state->playback.channels;
> - }
> -
> - audio_state_stop(state, success);
> -
> - free(recv);
> - free(buf);
> - free(channel);
> - audio_signal_fini(state->signal);
> -
> - check_audio_infoframe(state);
> -
> - return success;
> -}
> -
> -static int audio_output_flatline_callback(void *data, void *buffer,
> - int samples)
> -{
> - struct audio_state *state = data;
> - double *tmp;
> - size_t len, i;
> -
> - len = samples * state->playback.channels;
> - tmp = malloc(len * sizeof(double));
> - for (i = 0; i < len; i++)
> - tmp[i] = (state->positive ? 1 : -1) * FLATLINE_AMPLITUDE;
> - audio_convert_to(buffer, tmp, len, state->playback.format);
> - free(tmp);
> -
> - return state->run ? 0 : -1;
> -}
> -
> -static bool detect_flatline_amplitude(double *buf, size_t buf_len, bool pos)
> -{
> - double expected, min, max;
> - size_t i;
> - bool ok;
> -
> - min = max = NAN;
> - for (i = 0; i < buf_len; i++) {
> - if (isnan(min) || buf[i] < min)
> - min = buf[i];
> - if (isnan(max) || buf[i] > max)
> - max = buf[i];
> - }
> -
> - expected = (pos ? 1 : -1) * FLATLINE_AMPLITUDE;
> - ok = (min >= expected - FLATLINE_AMPLITUDE_ACCURACY &&
> - max <= expected + FLATLINE_AMPLITUDE_ACCURACY);
> - if (ok)
> - igt_debug("Flatline wave amplitude detected\n");
> - else
> - igt_debug("Flatline amplitude not detected (min=%f, max=%f)\n",
> - min, max);
> - return ok;
> -}
> -
> -static ssize_t detect_falling_edge(double *buf, size_t buf_len)
> -{
> - size_t i;
> -
> - for (i = 0; i < buf_len; i++) {
> - if (buf[i] < 0)
> - return i;
> - }
> -
> - return -1;
> -}
> -
> -/** test_audio_flatline:
> - *
> - * Send a constant value (one positive, then a negative one) and check that:
> - *
> - * - The amplitude of the flatline is correct
> - * - All channels switch from a positive signal to a negative one at the same
> - * time (ie. all channels are aligned)
> - */
> -static bool test_audio_flatline(struct audio_state *state)
> -{
> - bool success, amp_success, align_success;
> - int32_t *recv;
> - size_t recv_len, i, channel_len;
> - ssize_t j;
> - int streak, capture_chan;
> - double *channel;
> - int falling_edges[CHAMELIUM_MAX_AUDIO_CHANNELS];
> -
> - alsa_register_output_callback(state->alsa,
> - audio_output_flatline_callback, state,
> - PLAYBACK_SAMPLES);
> -
> - /* Start by sending a positive signal */
> - state->positive = true;
> -
> - audio_state_start(state, "flatline");
> -
> - for (i = 0; i < state->playback.channels; i++)
> - falling_edges[i] = -1;
> -
> - recv = NULL;
> - recv_len = 0;
> - amp_success = false;
> - streak = 0;
> - while (!amp_success && state->msec < AUDIO_TIMEOUT) {
> - audio_state_receive(state, &recv, &recv_len);
> -
> - igt_debug("Detecting audio signal, t=%d msec\n", state->msec);
> -
> - for (i = 0; i < state->playback.channels; i++) {
> - capture_chan = state->channel_mapping[i];
> - igt_assert(capture_chan >= 0);
> - igt_debug("Processing channel %zu (captured as "
> - "channel %d)\n", i, capture_chan);
> -
> - channel_len = audio_extract_channel_s32_le(NULL, 0,
> - recv, recv_len,
> - state->capture.channels,
> - capture_chan);
> - channel = malloc(channel_len * sizeof(double));
> - audio_extract_channel_s32_le(channel, channel_len,
> - recv, recv_len,
> - state->capture.channels,
> - capture_chan);
> -
> - /* Check whether the amplitude is fine */
> - if (detect_flatline_amplitude(channel, channel_len,
> - state->positive))
> - streak++;
> - else
> - streak = 0;
> -
> - /* If we're now sending a negative signal, detect the
> - * falling edge */
> - j = detect_falling_edge(channel, channel_len);
> - if (!state->positive && j >= 0) {
> - falling_edges[i] = recv_len * state->recv_pages
> - + j;
> - }
> -
> - free(channel);
> - }
> -
> - amp_success = streak == MIN_STREAK * state->playback.channels;
> -
> - if (amp_success && state->positive) {
> - /* Switch to a negative signal after we've detected the
> - * positive one. */
> - state->positive = false;
> - amp_success = false;
> - streak = 0;
> - igt_debug("Switching to negative square wave\n");
> - }
> - }
> -
> - /* Check alignment between all channels by comparing the index of the
> - * falling edge. */
> - align_success = true;
> - for (i = 0; i < state->playback.channels; i++) {
> - if (falling_edges[i] < 0) {
> - igt_critical("Falling edge not detected for channel %zu\n",
> - i);
> - align_success = false;
> - continue;
> - }
> -
> - if (abs(falling_edges[0] - falling_edges[i]) >
> - FLATLINE_ALIGN_ACCURACY) {
> - igt_critical("Channel alignment mismatch: "
> - "channel 0 has a falling edge at index %d "
> - "while channel %zu has index %d\n",
> - falling_edges[0], i, falling_edges[i]);
> - align_success = false;
> - }
> - }
> -
> - success = amp_success && align_success;
> - audio_state_stop(state, success);
> -
> - free(recv);
> -
> - return success;
> -}
> -
> -static bool check_audio_configuration(struct alsa *alsa, snd_pcm_format_t format,
> - int channels, int sampling_rate)
> -{
> - if (!alsa_test_output_configuration(alsa, format, channels,
> - sampling_rate)) {
> - igt_debug("Skipping test with format %s, sampling rate %d Hz "
> - "and %d channels because at least one of the "
> - "selected output devices doesn't support this "
> - "configuration\n",
> - snd_pcm_format_name(format),
> - sampling_rate, channels);
> - return false;
> - }
> - /* TODO: the Chamelium device sends a malformed signal for some audio
> - * configurations. See crbug.com/950917 */
> - if ((format != SND_PCM_FORMAT_S16_LE && sampling_rate >= 44100) ||
> - channels > 2) {
> - igt_debug("Skipping test with format %s, sampling rate %d Hz "
> - "and %d channels because the Chamelium device "
> - "doesn't support this configuration\n",
> - snd_pcm_format_name(format),
> - sampling_rate, channels);
> - return false;
> - }
> - return true;
> -}
> -
> -static const char test_display_audio_desc[] =
> - "Playback various audio signals with various audio formats/rates, "
> - "capture them and check they are correct";
> -static void
> -test_display_audio(data_t *data, struct chamelium_port *port,
> - const char *audio_device, enum igt_custom_edid_type edid)
> -{
> - bool run, success;
> - struct alsa *alsa;
> - int ret;
> - igt_output_t *output;
> - igt_plane_t *primary;
> - struct igt_fb fb;
> - drmModeModeInfo *mode;
> - drmModeConnector *connector;
> - int fb_id, i, j;
> - int channels, sampling_rate;
> - snd_pcm_format_t format;
> - struct audio_state state;
> -
> - igt_require(alsa_has_exclusive_access());
> -
> - /* Old Chamelium devices need an update for DisplayPort audio and
> - * chamelium_get_audio_format support. */
> - igt_require(chamelium_has_audio_support(data->chamelium, port));
> -
> - alsa = alsa_init();
> - igt_assert(alsa);
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - output = prepare_output(data, port, edid);
> - connector = chamelium_port_get_connector(data->chamelium, port, false);
> - primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> -
> - /* Enable the output because the receiver won't try to receive audio if
> - * it doesn't receive video. */
> - igt_assert(connector->count_modes > 0);
> - mode = &connector->modes[0];
> -
> - fb_id = igt_create_color_pattern_fb(data->drm_fd,
> - mode->hdisplay, mode->vdisplay,
> - DRM_FORMAT_XRGB8888,
> - DRM_FORMAT_MOD_LINEAR,
> - 0, 0, 0, &fb);
> - igt_assert(fb_id > 0);
> -
> - enable_output(data, port, output, mode, &fb);
> -
> - run = false;
> - success = true;
> - for (i = 0; i < test_sampling_rates_count; i++) {
> - for (j = 0; j < test_formats_count; j++) {
> - ret = alsa_open_output(alsa, audio_device);
> - igt_assert_f(ret >= 0, "Failed to open ALSA output\n");
> -
> - /* TODO: playback on all 8 available channels (this
> - * isn't supported by Chamelium devices yet, see
> - * https://crbug.com/950917) */
> - format = test_formats[j];
> - channels = PLAYBACK_CHANNELS;
> - sampling_rate = test_sampling_rates[i];
> -
> - if (!check_audio_configuration(alsa, format, channels,
> - sampling_rate))
> - continue;
> -
> - run = true;
> -
> - audio_state_init(&state, data, alsa, port,
> - format, channels, sampling_rate);
> - success &= test_audio_frequencies(&state);
> - success &= test_audio_flatline(&state);
> - audio_state_fini(&state);
> -
> - alsa_close_output(alsa);
> - }
> - }
> -
> - /* Make sure we tested at least one frequency and format. */
> - igt_assert(run);
> - /* Make sure all runs were successful. */
> - igt_assert(success);
> -
> - igt_remove_fb(data->drm_fd, &fb);
> -
> - drmModeFreeConnector(connector);
> -
> - free(alsa);
> -}
> -
> -static const char test_display_audio_edid_desc[] =
> - "Plug a connector with an EDID suitable for audio, check ALSA's "
> - "EDID-Like Data reports the correct audio parameters";
> -static void
> -test_display_audio_edid(data_t *data, struct chamelium_port *port,
> - enum igt_custom_edid_type edid)
> -{
> - igt_output_t *output;
> - igt_plane_t *primary;
> - struct igt_fb fb;
> - drmModeModeInfo *mode;
> - drmModeConnector *connector;
> - int fb_id;
> - struct eld_entry eld;
> - struct eld_sad *sad;
> -
> - igt_require(eld_is_supported());
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - output = prepare_output(data, port, edid);
> - connector = chamelium_port_get_connector(data->chamelium, port, false);
> - primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> -
> - /* Enable the output because audio cannot be played on inactive
> - * connectors. */
> - igt_assert(connector->count_modes > 0);
> - mode = &connector->modes[0];
> -
> - fb_id = igt_create_color_pattern_fb(data->drm_fd,
> - mode->hdisplay, mode->vdisplay,
> - DRM_FORMAT_XRGB8888,
> - DRM_FORMAT_MOD_LINEAR,
> - 0, 0, 0, &fb);
> - igt_assert(fb_id > 0);
> -
> - enable_output(data, port, output, mode, &fb);
> -
> - igt_assert(eld_get_igt(&eld));
> - igt_assert(eld.sads_len == 1);
> -
> - sad = &eld.sads[0];
> - igt_assert(sad->coding_type == CEA_SAD_FORMAT_PCM);
> - igt_assert(sad->channels == 2);
> - igt_assert(sad->rates == (CEA_SAD_SAMPLING_RATE_32KHZ |
> - CEA_SAD_SAMPLING_RATE_44KHZ | CEA_SAD_SAMPLING_RATE_48KHZ));
> - igt_assert(sad->bits == (CEA_SAD_SAMPLE_SIZE_16 |
> - CEA_SAD_SAMPLE_SIZE_20 | CEA_SAD_SAMPLE_SIZE_24));
> -
> - igt_remove_fb(data->drm_fd, &fb);
> -
> - drmModeFreeConnector(connector);
> -}
> -
> -static void randomize_plane_stride(data_t *data,
> - uint32_t width, uint32_t height,
> - uint32_t format, uint64_t modifier,
> - size_t *stride)
> -{
> - size_t stride_min;
> - uint32_t max_tile_w = 4, tile_w, tile_h;
> - int i;
> - struct igt_fb dummy;
> -
> - stride_min = width * igt_format_plane_bpp(format, 0) / 8;
> -
> - /* Randomize the stride to less than twice the minimum. */
> - *stride = (rand() % stride_min) + stride_min;
> -
> - /*
> - * Create a dummy FB to determine bpp for each plane, and calculate
> - * the maximum tile width from that.
> - */
> - igt_create_fb(data->drm_fd, 64, 64, format, modifier, &dummy);
> - for (i = 0; i < dummy.num_planes; i++) {
> - igt_get_fb_tile_size(data->drm_fd, modifier, dummy.plane_bpp[i], &tile_w, &tile_h);
> -
> - if (tile_w > max_tile_w)
> - max_tile_w = tile_w;
> - }
> - igt_remove_fb(data->drm_fd, &dummy);
> -
> - /*
> - * Pixman requires the stride to be aligned to 32-bits, which is
> - * reflected in the initial value of max_tile_w and the hw
> - * may require a multiple of tile width, choose biggest of the 2.
> - */
> - *stride = ALIGN(*stride, max_tile_w);
> -}
> -
> -static void update_tiled_modifier(igt_plane_t *plane, uint32_t width,
> - uint32_t height, uint32_t format,
> - uint64_t *modifier)
> -{
> - if (*modifier == DRM_FORMAT_MOD_BROADCOM_SAND256) {
> - /* Randomize the column height to less than twice the minimum. */
> - size_t column_height = (rand() % height) + height;
> -
> - igt_debug("Selecting VC4 SAND256 tiling with column height %ld\n",
> - column_height);
> -
> - *modifier = DRM_FORMAT_MOD_BROADCOM_SAND256_COL_HEIGHT(column_height);
> - }
> -}
> -
> -static void randomize_plane_setup(data_t *data, igt_plane_t *plane,
> - drmModeModeInfo *mode,
> - uint32_t *width, uint32_t *height,
> - uint32_t *format, uint64_t *modifier,
> - bool allow_yuv)
> -{
> - int min_dim;
> - uint32_t idx[plane->format_mod_count];
> - unsigned int count = 0;
> - unsigned int i;
> -
> - /* First pass to count the supported formats. */
> - for (i = 0; i < plane->format_mod_count; i++)
> - if (igt_fb_supported_format(plane->formats[i]) &&
> - (allow_yuv || !igt_format_is_yuv(plane->formats[i])))
> - idx[count++] = i;
> -
> - igt_assert(count > 0);
> -
> - i = idx[rand() % count];
> - *format = plane->formats[i];
> - *modifier = plane->modifiers[i];
> -
> - update_tiled_modifier(plane, *width, *height, *format, modifier);
> -
> - /*
> - * Randomize width and height in the mode dimensions range.
> - *
> - * Restrict to a min of 2 * min_dim, this way src_w/h are always at
> - * least min_dim, because src_w = width - (rand % w / 2).
> - *
> - * Use a minimum dimension of 16 for YUV, because planar YUV
> - * subsamples the UV plane.
> - */
> - min_dim = igt_format_is_yuv(*format) ? 16 : 8;
> -
> - *width = max((rand() % mode->hdisplay) + 1, 2 * min_dim);
> - *height = max((rand() % mode->vdisplay) + 1, 2 * min_dim);
> -}
> -
> -static void configure_plane(igt_plane_t *plane, uint32_t src_w, uint32_t src_h,
> - uint32_t src_x, uint32_t src_y, uint32_t crtc_w,
> - uint32_t crtc_h, int32_t crtc_x, int32_t crtc_y,
> - struct igt_fb *fb)
> -{
> - igt_plane_set_fb(plane, fb);
> -
> - igt_plane_set_position(plane, crtc_x, crtc_y);
> - igt_plane_set_size(plane, crtc_w, crtc_h);
> -
> - igt_fb_set_position(fb, plane, src_x, src_y);
> - igt_fb_set_size(fb, plane, src_w, src_h);
> -}
> -
> -static void randomize_plane_coordinates(data_t *data, igt_plane_t *plane,
> - drmModeModeInfo *mode,
> - struct igt_fb *fb,
> - uint32_t *src_w, uint32_t *src_h,
> - uint32_t *src_x, uint32_t *src_y,
> - uint32_t *crtc_w, uint32_t *crtc_h,
> - int32_t *crtc_x, int32_t *crtc_y,
> - bool allow_scaling)
> -{
> - bool is_yuv = igt_format_is_yuv(fb->drm_format);
> - uint32_t width = fb->width, height = fb->height;
> - double ratio;
> - int ret;
> -
> - /* Randomize source offset in the first half of the original size. */
> - *src_x = rand() % (width / 2);
> - *src_y = rand() % (height / 2);
> -
> - /* The source size only includes the active source area. */
> - *src_w = width - *src_x;
> - *src_h = height - *src_y;
> -
> - if (allow_scaling) {
> - *crtc_w = (rand() % mode->hdisplay) + 1;
> - *crtc_h = (rand() % mode->vdisplay) + 1;
> -
> - /*
> - * Don't bother with scaling if dimensions are quite close in
> - * order to get non-scaling cases more frequently. Also limit
> - * scaling to 3x to avoid agressive filtering that makes
> - * comparison less reliable, and don't go above 2x downsampling
> - * to avoid possible hw limitations.
> - */
> -
> - ratio = ((double) *crtc_w / *src_w);
> - if (ratio < 0.5)
> - *src_w = *crtc_w * 2;
> - else if (ratio > 0.8 && ratio < 1.2)
> - *crtc_w = *src_w;
> - else if (ratio > 3.0)
> - *crtc_w = *src_w * 3;
> -
> - ratio = ((double) *crtc_h / *src_h);
> - if (ratio < 0.5)
> - *src_h = *crtc_h * 2;
> - else if (ratio > 0.8 && ratio < 1.2)
> - *crtc_h = *src_h;
> - else if (ratio > 3.0)
> - *crtc_h = *src_h * 3;
> - } else {
> - *crtc_w = *src_w;
> - *crtc_h = *src_h;
> - }
> -
> - if (*crtc_w != *src_w || *crtc_h != *src_h) {
> - /*
> - * When scaling is involved, make sure to not go off-bounds or
> - * scaled clipping may result in decimal dimensions, that most
> - * drivers don't support.
> - */
> - if (*crtc_w < mode->hdisplay)
> - *crtc_x = rand() % (mode->hdisplay - *crtc_w);
> - else
> - *crtc_x = 0;
> -
> - if (*crtc_h < mode->vdisplay)
> - *crtc_y = rand() % (mode->vdisplay - *crtc_h);
> - else
> - *crtc_y = 0;
> - } else {
> - /*
> - * Randomize the on-crtc position and allow the plane to go
> - * off-display by less than half of its on-crtc dimensions.
> - */
> - *crtc_x = (rand() % mode->hdisplay) - *crtc_w / 2;
> - *crtc_y = (rand() % mode->vdisplay) - *crtc_h / 2;
> - }
> -
> - configure_plane(plane, *src_w, *src_h, *src_x, *src_y,
> - *crtc_w, *crtc_h, *crtc_x, *crtc_y, fb);
> - ret = igt_display_try_commit_atomic(&data->display,
> - DRM_MODE_ATOMIC_TEST_ONLY |
> - DRM_MODE_ATOMIC_ALLOW_MODESET,
> - NULL);
> - if (!ret)
> - return;
> -
> - /* Coordinates are logged in the dumped debug log, so only report w/h on failure here. */
> - igt_assert_f(ret != -ENOSPC,"Failure in testcase, invalid coordinates on a %ux%u fb\n", width, height);
> -
> - /* Make YUV coordinates a multiple of 2 and retry the math. */
> - if (is_yuv) {
> - *src_x &= ~1;
> - *src_y &= ~1;
> - *src_w &= ~1;
> - *src_h &= ~1;
> - /* To handle 1:1 scaling, clear crtc_w/h too. */
> - *crtc_w &= ~1;
> - *crtc_h &= ~1;
> -
> - if (*crtc_x < 0 && (*crtc_x & 1))
> - (*crtc_x)++;
> - else
> - *crtc_x &= ~1;
> -
> - /* If negative, round up to 0 instead of down */
> - if (*crtc_y < 0 && (*crtc_y & 1))
> - (*crtc_y)++;
> - else
> - *crtc_y &= ~1;
> -
> - configure_plane(plane, *src_w, *src_h, *src_x, *src_y, *crtc_w,
> - *crtc_h, *crtc_x, *crtc_y, fb);
> - ret = igt_display_try_commit_atomic(&data->display,
> - DRM_MODE_ATOMIC_TEST_ONLY |
> - DRM_MODE_ATOMIC_ALLOW_MODESET,
> - NULL);
> - if (!ret)
> - return;
> - }
> -
> - igt_assert(!ret || allow_scaling);
> - igt_info("Scaling ratio %g / %g failed, trying without scaling.\n",
> - ((double) *crtc_w / *src_w), ((double) *crtc_h / *src_h));
> -
> - *crtc_w = *src_w;
> - *crtc_h = *src_h;
> -
> - configure_plane(plane, *src_w, *src_h, *src_x, *src_y, *crtc_w,
> - *crtc_h, *crtc_x, *crtc_y, fb);
> - igt_display_commit_atomic(&data->display,
> - DRM_MODE_ATOMIC_TEST_ONLY |
> - DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> -}
> -
> -static void blit_plane_cairo(data_t *data, cairo_surface_t *result,
> - uint32_t src_w, uint32_t src_h,
> - uint32_t src_x, uint32_t src_y,
> - uint32_t crtc_w, uint32_t crtc_h,
> - int32_t crtc_x, int32_t crtc_y,
> - struct igt_fb *fb)
> -{
> - cairo_surface_t *surface;
> - cairo_surface_t *clipped_surface;
> - cairo_t *cr;
> -
> - surface = igt_get_cairo_surface(data->drm_fd, fb);
> -
> - if (src_x || src_y) {
> - clipped_surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
> - src_w, src_h);
> -
> - cr = cairo_create(clipped_surface);
> -
> - cairo_translate(cr, -1. * src_x, -1. * src_y);
> -
> - cairo_set_source_surface(cr, surface, 0, 0);
> -
> - cairo_paint(cr);
> - cairo_surface_flush(clipped_surface);
> -
> - cairo_destroy(cr);
> - } else {
> - clipped_surface = surface;
> - }
> -
> - cr = cairo_create(result);
> -
> - cairo_translate(cr, crtc_x, crtc_y);
> -
> - if (src_w != crtc_w || src_h != crtc_h) {
> - cairo_scale(cr, (double) crtc_w / src_w,
> - (double) crtc_h / src_h);
> - }
> -
> - cairo_set_source_surface(cr, clipped_surface, 0, 0);
> - cairo_surface_destroy(clipped_surface);
> -
> - if (src_w != crtc_w || src_h != crtc_h) {
> - cairo_pattern_set_filter(cairo_get_source(cr),
> - CAIRO_FILTER_BILINEAR);
> - cairo_pattern_set_extend(cairo_get_source(cr),
> - CAIRO_EXTEND_NONE);
> - }
> -
> - cairo_paint(cr);
> - cairo_surface_flush(result);
> -
> - cairo_destroy(cr);
> -}
> -
> -static void prepare_randomized_plane(data_t *data,
> - drmModeModeInfo *mode,
> - igt_plane_t *plane,
> - struct igt_fb *overlay_fb,
> - unsigned int index,
> - cairo_surface_t *result_surface,
> - bool allow_scaling, bool allow_yuv)
> -{
> - struct igt_fb pattern_fb;
> - uint32_t overlay_fb_w, overlay_fb_h;
> - uint32_t overlay_src_w, overlay_src_h;
> - uint32_t overlay_src_x, overlay_src_y;
> - int32_t overlay_crtc_x, overlay_crtc_y;
> - uint32_t overlay_crtc_w, overlay_crtc_h;
> - uint32_t format;
> - uint64_t modifier;
> - size_t stride;
> - bool tiled;
> - int fb_id;
> -
> - randomize_plane_setup(data, plane, mode, &overlay_fb_w, &overlay_fb_h,
> - &format, &modifier, allow_yuv);
> -
> - tiled = (modifier != DRM_FORMAT_MOD_LINEAR);
> - igt_debug("Plane %d: framebuffer size %dx%d %s format (%s)\n",
> - index, overlay_fb_w, overlay_fb_h,
> - igt_format_str(format), tiled ? "tiled" : "linear");
> -
> - /* Get a pattern framebuffer for the overlay plane. */
> - fb_id = chamelium_get_pattern_fb(data, overlay_fb_w, overlay_fb_h,
> - DRM_FORMAT_XRGB8888, 32, &pattern_fb);
> - igt_assert(fb_id > 0);
> -
> - randomize_plane_stride(data, overlay_fb_w, overlay_fb_h,
> - format, modifier, &stride);
> -
> - igt_debug("Plane %d: stride %ld\n", index, stride);
> -
> - fb_id = igt_fb_convert_with_stride(overlay_fb, &pattern_fb, format,
> - modifier, stride);
> - igt_assert(fb_id > 0);
> -
> - randomize_plane_coordinates(data, plane, mode, overlay_fb,
> - &overlay_src_w, &overlay_src_h,
> - &overlay_src_x, &overlay_src_y,
> - &overlay_crtc_w, &overlay_crtc_h,
> - &overlay_crtc_x, &overlay_crtc_y,
> - allow_scaling);
> -
> - igt_debug("Plane %d: in-framebuffer size %dx%d\n", index,
> - overlay_src_w, overlay_src_h);
> - igt_debug("Plane %d: in-framebuffer position %dx%d\n", index,
> - overlay_src_x, overlay_src_y);
> - igt_debug("Plane %d: on-crtc size %dx%d\n", index,
> - overlay_crtc_w, overlay_crtc_h);
> - igt_debug("Plane %d: on-crtc position %dx%d\n", index,
> - overlay_crtc_x, overlay_crtc_y);
> -
> - blit_plane_cairo(data, result_surface, overlay_src_w, overlay_src_h,
> - overlay_src_x, overlay_src_y,
> - overlay_crtc_w, overlay_crtc_h,
> - overlay_crtc_x, overlay_crtc_y, &pattern_fb);
> -
> - /* Remove the original pattern framebuffer. */
> - igt_remove_fb(data->drm_fd, &pattern_fb);
> -}
> -
> -static const char test_display_planes_random_desc[] =
> - "Setup a few overlay planes with random parameters, capture the frame "
> - "and check it matches the expected output";
> -static void test_display_planes_random(data_t *data,
> - struct chamelium_port *port,
> - enum chamelium_check check)
> -{
> - igt_output_t *output;
> - drmModeModeInfo *mode;
> - igt_plane_t *primary_plane;
> - struct igt_fb primary_fb;
> - struct igt_fb result_fb;
> - struct igt_fb *overlay_fbs;
> - igt_crc_t *crc;
> - igt_crc_t *expected_crc;
> - struct chamelium_fb_crc_async_data *fb_crc;
> - unsigned int overlay_planes_max = 0;
> - unsigned int overlay_planes_count;
> - cairo_surface_t *result_surface;
> - int captured_frame_count;
> - bool allow_scaling;
> - bool allow_yuv;
> - unsigned int i;
> - unsigned int fb_id;
> -
> - switch (check) {
> - case CHAMELIUM_CHECK_CRC:
> - allow_scaling = false;
> - allow_yuv = false;
> - break;
> - case CHAMELIUM_CHECK_CHECKERBOARD:
> - allow_scaling = true;
> - allow_yuv = true;
> - break;
> - default:
> - igt_assert(false);
> - }
> -
> - srand(time(NULL));
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - /* Find the connector and pipe. */
> - output = prepare_output(data, port, IGT_CUSTOM_EDID_BASE);
> -
> - mode = igt_output_get_mode(output);
> -
> - /* Get a framebuffer for the primary plane. */
> - primary_plane = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary_plane);
> -
> - fb_id = chamelium_get_pattern_fb(data, mode->hdisplay, mode->vdisplay,
> - DRM_FORMAT_XRGB8888, 64, &primary_fb);
> - igt_assert(fb_id > 0);
> -
> - /* Get a framebuffer for the cairo composition result. */
> - fb_id = igt_create_fb(data->drm_fd, mode->hdisplay,
> - mode->vdisplay, DRM_FORMAT_XRGB8888,
> - DRM_FORMAT_MOD_LINEAR, &result_fb);
> - igt_assert(fb_id > 0);
> -
> - result_surface = igt_get_cairo_surface(data->drm_fd, &result_fb);
> -
> - /* Paint the primary framebuffer on the result surface. */
> - blit_plane_cairo(data, result_surface, 0, 0, 0, 0, 0, 0, 0, 0,
> - &primary_fb);
> -
> - /* Configure the primary plane. */
> - igt_plane_set_fb(primary_plane, &primary_fb);
> -
> - overlay_planes_max =
> - igt_output_count_plane_type(output, DRM_PLANE_TYPE_OVERLAY);
> -
> - /* Limit the number of planes to a reasonable scene. */
> - overlay_planes_max = min(overlay_planes_max, 4u);
> -
> - overlay_planes_count = (rand() % overlay_planes_max) + 1;
> - igt_debug("Using %d overlay planes\n", overlay_planes_count);
> -
> - overlay_fbs = calloc(sizeof(struct igt_fb), overlay_planes_count);
> -
> - for (i = 0; i < overlay_planes_count; i++) {
> - struct igt_fb *overlay_fb = &overlay_fbs[i];
> - igt_plane_t *plane =
> - igt_output_get_plane_type_index(output,
> - DRM_PLANE_TYPE_OVERLAY,
> - i);
> - igt_assert(plane);
> -
> - prepare_randomized_plane(data, mode, plane, overlay_fb, i,
> - result_surface, allow_scaling,
> - allow_yuv);
> - }
> -
> - cairo_surface_destroy(result_surface);
> -
> - if (check == CHAMELIUM_CHECK_CRC)
> - fb_crc = chamelium_calculate_fb_crc_async_start(data->drm_fd,
> - &result_fb);
> -
> - igt_display_commit2(&data->display, COMMIT_ATOMIC);
> -
> - if (check == CHAMELIUM_CHECK_CRC) {
> - chamelium_capture(data->chamelium, port, 0, 0, 0, 0, 1);
> - crc = chamelium_read_captured_crcs(data->chamelium,
> - &captured_frame_count);
> -
> - igt_assert(captured_frame_count == 1);
> -
> - expected_crc = chamelium_calculate_fb_crc_async_finish(fb_crc);
> -
> - chamelium_assert_crc_eq_or_dump(data->chamelium,
> - expected_crc, crc,
> - &result_fb, 0);
> -
> - free(expected_crc);
> - free(crc);
> - } else if (check == CHAMELIUM_CHECK_CHECKERBOARD) {
> - struct chamelium_frame_dump *dump;
> -
> - dump = chamelium_port_dump_pixels(data->chamelium, port, 0, 0,
> - 0, 0);
> - chamelium_assert_frame_match_or_dump(data->chamelium, port,
> - dump, &result_fb, check);
> - chamelium_destroy_frame_dump(dump);
> - }
> -
> - for (i = 0; i < overlay_planes_count; i++)
> - igt_remove_fb(data->drm_fd, &overlay_fbs[i]);
> -
> - free(overlay_fbs);
> -
> - igt_remove_fb(data->drm_fd, &primary_fb);
> - igt_remove_fb(data->drm_fd, &result_fb);
> -}
> -
> -static const char test_hpd_without_ddc_desc[] =
> - "Disable DDC on a VGA connector, check we still get a uevent on hotplug";
> -static void
> -test_hpd_without_ddc(data_t *data, struct chamelium_port *port)
> -{
> - struct udev_monitor *mon = igt_watch_uevents();
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> - igt_flush_uevents(mon);
> -
> - /* Disable the DDC on the connector and make sure we still get a
> - * hotplug
> - */
> - chamelium_port_set_ddc_state(data->chamelium, port, false);
> - chamelium_plug(data->chamelium, port);
> -
> - igt_assert(igt_hotplug_detected(mon, CHAMELIUM_HOTPLUG_TIMEOUT));
> - igt_assert_eq(chamelium_reprobe_connector(&data->display,
> - data->chamelium, port),
> - DRM_MODE_CONNECTED);
> -
> - igt_cleanup_uevents(mon);
> -}
> -
> -static const char test_hpd_storm_detect_desc[] =
> - "Trigger a series of hotplugs in a very small timeframe to simulate a"
> - "bad cable, check the kernel falls back to polling to avoid a hotplug "
> - "storm";
> -static void
> -test_hpd_storm_detect(data_t *data, struct chamelium_port *port, int width)
> -{
> - struct udev_monitor *mon;
> - int count = 0;
> -
> - igt_require_hpd_storm_ctl(data->drm_fd);
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - igt_hpd_storm_set_threshold(data->drm_fd, 1);
> - chamelium_fire_hpd_pulses(data->chamelium, port, width, 10);
> - igt_assert(igt_hpd_storm_detected(data->drm_fd));
> -
> - mon = igt_watch_uevents();
> - chamelium_fire_hpd_pulses(data->chamelium, port, width, 10);
> -
> - /*
> - * Polling should have been enabled by the HPD storm at this point,
> - * so we should only get at most 1 hotplug event
> - */
> - igt_until_timeout(5)
> - count += igt_hotplug_detected(mon, 1);
> - igt_assert_lt(count, 2);
> -
> - igt_cleanup_uevents(mon);
> - igt_hpd_storm_reset(data->drm_fd);
> -}
> -
> -static const char test_hpd_storm_disable_desc[] =
> - "Disable HPD storm detection, trigger a storm and check the kernel "
> - "doesn't detect one";
> -static void
> -test_hpd_storm_disable(data_t *data, struct chamelium_port *port, int width)
> -{
> - igt_require_hpd_storm_ctl(data->drm_fd);
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_reset_state(&data->display, data->chamelium,
> - port, data->ports, data->port_count);
> -
> - igt_hpd_storm_set_threshold(data->drm_fd, 0);
> - chamelium_fire_hpd_pulses(data->chamelium, port,
> - width, 10);
> - igt_assert(!igt_hpd_storm_detected(data->drm_fd));
> -
> - igt_hpd_storm_reset(data->drm_fd);
> -}
> -
> -static const char igt_edid_stress_resolution_desc[] =
> - "Stress test the DUT by testing multiple EDIDs, one right after the other,"
> - "and ensure their validity by check the real screen resolution vs the"
> - "advertised mode resultion.";
> -static void edid_stress_resolution(data_t *data, struct chamelium_port *port,
> - monitor_edid edids_list[],
> - size_t edids_list_len)
> -{
> - int i;
> - struct chamelium *chamelium = data->chamelium;
> - struct udev_monitor *mon = igt_watch_uevents();
> -
> - for (i = 0; i < edids_list_len; ++i) {
> - struct chamelium_edid *chamelium_edid;
> - drmModeModeInfo mode;
> - struct igt_fb fb = { 0 };
> - igt_output_t *output;
> - enum pipe pipe;
> - bool is_video_stable;
> - int screen_res_w, screen_res_h;
> -
> - monitor_edid *edid = &edids_list[i];
> - igt_info("Testing out the EDID for %s\n",
> - monitor_edid_get_name(edid));
> -
> - /* Getting and Setting the EDID on Chamelium. */
> - chamelium_edid =
> - get_chameleon_edid_from_monitor_edid(chamelium, edid);
> - chamelium_port_set_edid(data->chamelium, port, chamelium_edid);
> - free_chamelium_edid_from_monitor_edid(chamelium_edid);
> -
> - igt_flush_uevents(mon);
> - chamelium_plug(chamelium, port);
> - wait_for_connector_after_hotplug(data, mon, port,
> - DRM_MODE_CONNECTED);
> - igt_flush_uevents(mon);
> -
> - /* Setting an output on the screen to turn it on. */
> - mode = get_mode_for_port(chamelium, port);
> - create_fb_for_mode(data, &fb, &mode);
> - output = get_output_for_port(data, port);
> - pipe = get_pipe_for_output(&data->display, output);
> - igt_output_set_pipe(output, pipe);
> - enable_output(data, port, output, &mode, &fb);
> -
> - /* Capture the screen resolution and verify. */
> - is_video_stable = chamelium_port_wait_video_input_stable(
> - chamelium, port, 5);
> - igt_assert(is_video_stable);
> -
> - chamelium_port_get_resolution(chamelium, port, &screen_res_w,
> - &screen_res_h);
> - igt_assert(screen_res_w == fb.width);
> - igt_assert(screen_res_h == fb.height);
> -
> - // Clean up
> - igt_remove_fb(data->drm_fd, &fb);
> - igt_modeset_disable_all_outputs(&data->display);
> - chamelium_unplug(chamelium, port);
> - }
> -
> - chamelium_reset_state(&data->display, data->chamelium, port,
> - data->ports, data->port_count);
> -}
> -
> -static const char igt_edid_resolution_list_desc[] =
> - "Get an EDID with many modes of different configurations, set them on the screen and check the"
> - " screen resolution matches the mode resolution.";
> -
> -static void edid_resolution_list(data_t *data, struct chamelium_port *port)
> -{
> - struct chamelium *chamelium = data->chamelium;
> - struct udev_monitor *mon = igt_watch_uevents();
> - drmModeConnector *connector;
> - drmModeModeInfoPtr modes;
> - int count_modes;
> - int i;
> - igt_output_t *output;
> - enum pipe pipe;
> -
> - chamelium_unplug(chamelium, port);
> - set_edid(data, port, IGT_CUSTOM_EDID_FULL);
> -
> - igt_flush_uevents(mon);
> - chamelium_plug(chamelium, port);
> - wait_for_connector_after_hotplug(data, mon, port, DRM_MODE_CONNECTED);
> - igt_flush_uevents(mon);
> -
> - connector = chamelium_port_get_connector(chamelium, port, true);
> - modes = connector->modes;
> - count_modes = connector->count_modes;
> -
> - output = get_output_for_port(data, port);
> - pipe = get_pipe_for_output(&data->display, output);
> - igt_output_set_pipe(output, pipe);
> -
> - for (i = 0; i < count_modes; ++i)
> - igt_debug("#%d %s %uHz\n", i, modes[i].name, modes[i].vrefresh);
> -
> - for (i = 0; i < count_modes; ++i) {
> - struct igt_fb fb = { 0 };
> - bool is_video_stable;
> - int screen_res_w, screen_res_h;
> -
> - igt_info("Testing #%d %s %uHz\n", i, modes[i].name,
> - modes[i].vrefresh);
> -
> - /* Set the screen mode with the one we chose. */
> - create_fb_for_mode(data, &fb, &modes[i]);
> - enable_output(data, port, output, &modes[i], &fb);
> - is_video_stable = chamelium_port_wait_video_input_stable(
> - chamelium, port, 10);
> - igt_assert(is_video_stable);
> -
> - chamelium_port_get_resolution(chamelium, port, &screen_res_w,
> - &screen_res_h);
> - igt_assert_eq(screen_res_w, modes[i].hdisplay);
> - igt_assert_eq(screen_res_h, modes[i].vdisplay);
> -
> - igt_remove_fb(data->drm_fd, &fb);
> - }
> -
> - igt_modeset_disable_all_outputs(&data->display);
> - drmModeFreeConnector(connector);
> -}
> -
> -#define for_each_port(p, port) \
> - for (p = 0, port = data.ports[p]; \
> - p < data.port_count; \
> - p++, port = data.ports[p])
> -
> -#define connector_subtest(name__, type__) \
> - igt_subtest(name__) \
> - for_each_port(p, port) \
> - if (chamelium_port_get_type(port) == \
> - DRM_MODE_CONNECTOR_ ## type__)
> -
> -#define connector_dynamic_subtest(name__, type__) \
> - igt_subtest_with_dynamic(name__) \
> - for_each_port(p, port) \
> - if (chamelium_port_get_type(port) == \
> - DRM_MODE_CONNECTOR_ ## type__)
> -
> -
> -static data_t data;
> -
> -IGT_TEST_DESCRIPTION("Tests requiring a Chamelium board");
> -igt_main
> -{
> - struct chamelium_port *port;
> - int p;
> - size_t i;
> -
> - igt_fixture {
> - /* So fbcon doesn't try to reprobe things itself */
> - kmstest_set_vt_graphics_mode();
> -
> - data.drm_fd = drm_open_driver_master(DRIVER_ANY);
> - igt_display_require(&data.display, data.drm_fd);
> - igt_require(data.display.is_atomic);
> -
> - /*
> - * XXX: disabling modeset, can be removed when
> - * igt_display_require will start doing this for us
> - */
> - igt_display_commit2(&data.display, COMMIT_ATOMIC);
> -
> - /* we need to initalize chamelium after igt_display_require */
> - data.chamelium = chamelium_init(data.drm_fd, &data.display);
> - igt_require(data.chamelium);
> -
> - data.ports = chamelium_get_ports(data.chamelium,
> - &data.port_count);
> -
> - for (i = 0; i < IGT_CUSTOM_EDID_COUNT; ++i) {
> - data.edids[i] = chamelium_new_edid(data.chamelium,
> - igt_kms_get_custom_edid(i));
> - }
> - }
> -
> - igt_describe("DisplayPort tests");
> - igt_subtest_group {
> - igt_fixture {
> - chamelium_require_connector_present(data.ports, DRM_MODE_CONNECTOR_DisplayPort,
> - data.port_count, 1);
> - }
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("dp-hpd", DisplayPort)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_DP_HDMI,
> - TEST_MODESET_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("dp-hpd-fast", DisplayPort)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("dp-hpd-enable-disable-mode", DisplayPort)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_ON_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("dp-hpd-with-enabled-mode", DisplayPort)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_ON);
> -
> - igt_describe(igt_custom_edid_type_read_desc);
> - connector_subtest("dp-edid-read", DisplayPort) {
> - igt_custom_edid_type_read(&data, port, IGT_CUSTOM_EDID_BASE);
> - igt_custom_edid_type_read(&data, port, IGT_CUSTOM_EDID_ALT);
> - }
> -
> - igt_describe(igt_edid_stress_resolution_desc);
> - connector_subtest("dp-edid-stress-resolution-4k", DisplayPort)
> - edid_stress_resolution(&data, port, DP_EDIDS_4K,
> - ARRAY_SIZE(DP_EDIDS_4K));
> -
> - igt_describe(igt_edid_stress_resolution_desc);
> - connector_subtest("dp-edid-stress-resolution-non-4k",
> - DisplayPort)
> - edid_stress_resolution(&data, port, DP_EDIDS_NON_4K,
> - ARRAY_SIZE(DP_EDIDS_NON_4K));
> -
> - igt_describe(igt_edid_resolution_list_desc);
> - connector_subtest("dp-edid-resolution-list", DisplayPort)
> - edid_resolution_list(&data, port);
> -
> - igt_describe(test_suspend_resume_hpd_desc);
> - connector_subtest("dp-hpd-after-suspend", DisplayPort)
> - test_suspend_resume_hpd(&data, port,
> - SUSPEND_STATE_MEM,
> - SUSPEND_TEST_NONE);
> -
> - igt_describe(test_suspend_resume_hpd_desc);
> - connector_subtest("dp-hpd-after-hibernate", DisplayPort)
> - test_suspend_resume_hpd(&data, port,
> - SUSPEND_STATE_DISK,
> - SUSPEND_TEST_DEVICES);
> -
> - igt_describe(test_hpd_storm_detect_desc);
> - connector_subtest("dp-hpd-storm", DisplayPort)
> - test_hpd_storm_detect(&data, port,
> - HPD_STORM_PULSE_INTERVAL_DP);
> -
> - igt_describe(test_hpd_storm_disable_desc);
> - connector_subtest("dp-hpd-storm-disable", DisplayPort)
> - test_hpd_storm_disable(&data, port,
> - HPD_STORM_PULSE_INTERVAL_DP);
> -
> - igt_describe(test_suspend_resume_edid_change_desc);
> - connector_subtest("dp-edid-change-during-suspend", DisplayPort)
> - test_suspend_resume_edid_change(&data, port,
> - SUSPEND_STATE_MEM,
> - SUSPEND_TEST_NONE,
> - IGT_CUSTOM_EDID_BASE,
> - IGT_CUSTOM_EDID_ALT);
> -
> - igt_describe(test_suspend_resume_edid_change_desc);
> - connector_subtest("dp-edid-change-during-hibernate", DisplayPort)
> - test_suspend_resume_edid_change(&data, port,
> - SUSPEND_STATE_DISK,
> - SUSPEND_TEST_DEVICES,
> - IGT_CUSTOM_EDID_BASE,
> - IGT_CUSTOM_EDID_ALT);
> -
> - igt_describe(test_display_all_modes_desc);
> - connector_subtest("dp-crc-single", DisplayPort)
> - test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> - CHAMELIUM_CHECK_CRC, 1);
> -
> - igt_describe(test_display_one_mode_desc);
> - connector_subtest("dp-crc-fast", DisplayPort)
> - test_display_one_mode(&data, port, DRM_FORMAT_XRGB8888,
> - CHAMELIUM_CHECK_CRC, 1);
> -
> - igt_describe(test_display_all_modes_desc);
> - connector_subtest("dp-crc-multiple", DisplayPort)
> - test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> - CHAMELIUM_CHECK_CRC, 3);
> -
> - igt_describe(test_display_frame_dump_desc);
> - connector_subtest("dp-frame-dump", DisplayPort)
> - test_display_frame_dump(&data, port);
> -
> - igt_describe(test_mode_timings_desc);
> - connector_subtest("dp-mode-timings", DisplayPort)
> - test_mode_timings(&data, port);
> -
> - igt_describe(test_display_audio_desc);
> - connector_subtest("dp-audio", DisplayPort)
> - test_display_audio(&data, port, "HDMI",
> - IGT_CUSTOM_EDID_DP_AUDIO);
> -
> - igt_describe(test_display_audio_edid_desc);
> - connector_subtest("dp-audio-edid", DisplayPort)
> - test_display_audio_edid(&data, port,
> - IGT_CUSTOM_EDID_DP_AUDIO);
> -
> - igt_describe(test_hotplug_for_each_pipe_desc);
> - connector_subtest("dp-hpd-for-each-pipe", DisplayPort)
> - test_hotplug_for_each_pipe(&data, port);
> - }
> -
> - igt_describe("HDMI tests");
> - igt_subtest_group {
> - igt_fixture {
> - chamelium_require_connector_present(data.ports, DRM_MODE_CONNECTOR_HDMIA,
> - data.port_count, 1);
> - }
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("hdmi-hpd", HDMIA)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_DP_HDMI,
> - TEST_MODESET_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("hdmi-hpd-fast", HDMIA)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("hdmi-hpd-enable-disable-mode", HDMIA)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_ON_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("hdmi-hpd-with-enabled-mode", HDMIA)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_ON);
> -
> - igt_describe(igt_custom_edid_type_read_desc);
> - connector_subtest("hdmi-edid-read", HDMIA) {
> - igt_custom_edid_type_read(&data, port, IGT_CUSTOM_EDID_BASE);
> - igt_custom_edid_type_read(&data, port, IGT_CUSTOM_EDID_ALT);
> - }
> -
> - igt_describe(igt_edid_stress_resolution_desc);
> - connector_subtest("hdmi-edid-stress-resolution-4k", HDMIA)
> - edid_stress_resolution(&data, port, HDMI_EDIDS_4K,
> - ARRAY_SIZE(HDMI_EDIDS_4K));
> -
> - igt_describe(igt_edid_stress_resolution_desc);
> - connector_subtest("hdmi-edid-stress-resolution-non-4k", HDMIA)
> - edid_stress_resolution(&data, port, HDMI_EDIDS_NON_4K,
> - ARRAY_SIZE(HDMI_EDIDS_NON_4K));
> -
> - igt_describe(test_suspend_resume_hpd_desc);
> - connector_subtest("hdmi-hpd-after-suspend", HDMIA)
> - test_suspend_resume_hpd(&data, port,
> - SUSPEND_STATE_MEM,
> - SUSPEND_TEST_NONE);
> -
> - igt_describe(test_suspend_resume_hpd_desc);
> - connector_subtest("hdmi-hpd-after-hibernate", HDMIA)
> - test_suspend_resume_hpd(&data, port,
> - SUSPEND_STATE_DISK,
> - SUSPEND_TEST_DEVICES);
> -
> - igt_describe(test_hpd_storm_detect_desc);
> - connector_subtest("hdmi-hpd-storm", HDMIA)
> - test_hpd_storm_detect(&data, port,
> - HPD_STORM_PULSE_INTERVAL_HDMI);
> -
> - igt_describe(test_hpd_storm_disable_desc);
> - connector_subtest("hdmi-hpd-storm-disable", HDMIA)
> - test_hpd_storm_disable(&data, port,
> - HPD_STORM_PULSE_INTERVAL_HDMI);
> -
> - igt_describe(test_suspend_resume_edid_change_desc);
> - connector_subtest("hdmi-edid-change-during-suspend", HDMIA)
> - test_suspend_resume_edid_change(&data, port,
> - SUSPEND_STATE_MEM,
> - SUSPEND_TEST_NONE,
> - IGT_CUSTOM_EDID_BASE,
> - IGT_CUSTOM_EDID_ALT);
> -
> - igt_describe(test_suspend_resume_edid_change_desc);
> - connector_subtest("hdmi-edid-change-during-hibernate", HDMIA)
> - test_suspend_resume_edid_change(&data, port,
> - SUSPEND_STATE_DISK,
> - SUSPEND_TEST_DEVICES,
> - IGT_CUSTOM_EDID_BASE,
> - IGT_CUSTOM_EDID_ALT);
> -
> - igt_describe(test_display_all_modes_desc);
> - connector_subtest("hdmi-crc-single", HDMIA)
> - test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> - CHAMELIUM_CHECK_CRC, 1);
> -
> - igt_describe(test_display_one_mode_desc);
> - connector_subtest("hdmi-crc-fast", HDMIA)
> - test_display_one_mode(&data, port, DRM_FORMAT_XRGB8888,
> - CHAMELIUM_CHECK_CRC, 1);
> -
> - igt_describe(test_display_all_modes_desc);
> - connector_subtest("hdmi-crc-multiple", HDMIA)
> - test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> - CHAMELIUM_CHECK_CRC, 3);
> -
> - igt_describe(test_display_one_mode_desc);
> - connector_dynamic_subtest("hdmi-crc-nonplanar-formats", HDMIA) {
> - int k;
> - igt_output_t *output;
> - igt_plane_t *primary;
> -
> - output = prepare_output(&data, port, IGT_CUSTOM_EDID_BASE);
> - primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> -
> - for (k = 0; k < primary->format_mod_count; k++) {
> - if (!igt_fb_supported_format(primary->formats[k]))
> - continue;
> -
> - if (igt_format_is_yuv(primary->formats[k]))
> - continue;
> -
> - if (primary->modifiers[k] != DRM_FORMAT_MOD_LINEAR)
> - continue;
> -
> - igt_dynamic_f("%s", igt_format_str(primary->formats[k]))
> - test_display_one_mode(&data, port, primary->formats[k],
> - CHAMELIUM_CHECK_CRC, 1);
> - }
> - }
> -
> - igt_describe(test_display_planes_random_desc);
> - connector_subtest("hdmi-crc-planes-random", HDMIA)
> - test_display_planes_random(&data, port,
> - CHAMELIUM_CHECK_CRC);
> -
> - igt_describe(test_display_one_mode_desc);
> - connector_dynamic_subtest("hdmi-cmp-planar-formats", HDMIA) {
> - int k;
> - igt_output_t *output;
> - igt_plane_t *primary;
> -
> - output = prepare_output(&data, port, IGT_CUSTOM_EDID_BASE);
> - primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> - igt_assert(primary);
> -
> - for (k = 0; k < primary->format_mod_count; k++) {
> - if (!igt_fb_supported_format(primary->formats[k]))
> - continue;
> -
> - if (!igt_format_is_yuv(primary->formats[k]))
> - continue;
> -
> - if (primary->modifiers[k] != DRM_FORMAT_MOD_LINEAR)
> - continue;
> -
> - igt_dynamic_f("%s", igt_format_str(primary->formats[k]))
> - test_display_one_mode(&data, port, primary->formats[k],
> - CHAMELIUM_CHECK_CHECKERBOARD, 1);
> - }
> - }
> -
> - igt_describe(test_display_planes_random_desc);
> - connector_subtest("hdmi-cmp-planes-random", HDMIA)
> - test_display_planes_random(&data, port,
> - CHAMELIUM_CHECK_CHECKERBOARD);
> -
> - igt_describe(test_display_frame_dump_desc);
> - connector_subtest("hdmi-frame-dump", HDMIA)
> - test_display_frame_dump(&data, port);
> -
> - igt_describe(test_mode_timings_desc);
> - connector_subtest("hdmi-mode-timings", HDMIA)
> - test_mode_timings(&data, port);
> -
> - igt_describe(test_display_audio_desc);
> - connector_subtest("hdmi-audio", HDMIA)
> - test_display_audio(&data, port, "HDMI",
> - IGT_CUSTOM_EDID_HDMI_AUDIO);
> -
> - igt_describe(test_display_audio_edid_desc);
> - connector_subtest("hdmi-audio-edid", HDMIA)
> - test_display_audio_edid(&data, port,
> - IGT_CUSTOM_EDID_HDMI_AUDIO);
> -
> - igt_describe(test_display_aspect_ratio_desc);
> - connector_subtest("hdmi-aspect-ratio", HDMIA)
> - test_display_aspect_ratio(&data, port);
> -
> - igt_describe(test_hotplug_for_each_pipe_desc);
> - connector_subtest("hdmi-hpd-for-each-pipe", HDMIA)
> - test_hotplug_for_each_pipe(&data, port);
> - }
> -
> - igt_describe("VGA tests");
> - igt_subtest_group {
> - igt_fixture {
> - chamelium_require_connector_present(data.ports, DRM_MODE_CONNECTOR_VGA,
> - data.port_count, 1);
> - }
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("vga-hpd", VGA)
> - test_hotplug(&data, port, HPD_TOGGLE_COUNT_VGA,
> - TEST_MODESET_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("vga-hpd-fast", VGA)
> - test_hotplug(&data, port, HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("vga-hpd-enable-disable-mode", VGA)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_ON_OFF);
> -
> - igt_describe(test_basic_hotplug_desc);
> - connector_subtest("vga-hpd-with-enabled-mode", VGA)
> - test_hotplug(&data, port,
> - HPD_TOGGLE_COUNT_FAST,
> - TEST_MODESET_ON);
> -
> - igt_describe(igt_custom_edid_type_read_desc);
> - connector_subtest("vga-edid-read", VGA) {
> - igt_custom_edid_type_read(&data, port, IGT_CUSTOM_EDID_BASE);
> - igt_custom_edid_type_read(&data, port, IGT_CUSTOM_EDID_ALT);
> - }
> -
> - igt_describe(test_suspend_resume_hpd_desc);
> - connector_subtest("vga-hpd-after-suspend", VGA)
> - test_suspend_resume_hpd(&data, port,
> - SUSPEND_STATE_MEM,
> - SUSPEND_TEST_NONE);
> -
> - igt_describe(test_suspend_resume_hpd_desc);
> - connector_subtest("vga-hpd-after-hibernate", VGA)
> - test_suspend_resume_hpd(&data, port,
> - SUSPEND_STATE_DISK,
> - SUSPEND_TEST_DEVICES);
> -
> - igt_describe(test_hpd_without_ddc_desc);
> - connector_subtest("vga-hpd-without-ddc", VGA)
> - test_hpd_without_ddc(&data, port);
> -
> - igt_describe(test_display_all_modes_desc);
> - connector_subtest("vga-frame-dump", VGA)
> - test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> - CHAMELIUM_CHECK_ANALOG, 1);
> - }
> -
> - igt_describe("Tests that operate on all connectors");
> - igt_subtest_group {
> -
> - igt_fixture {
> - igt_require(data.port_count);
> - }
> -
> - igt_describe(test_suspend_resume_hpd_common_desc);
> - igt_subtest("common-hpd-after-suspend")
> - test_suspend_resume_hpd_common(&data,
> - SUSPEND_STATE_MEM,
> - SUSPEND_TEST_NONE);
> -
> - igt_describe(test_suspend_resume_hpd_common_desc);
> - igt_subtest("common-hpd-after-hibernate")
> - test_suspend_resume_hpd_common(&data,
> - SUSPEND_STATE_DISK,
> - SUSPEND_TEST_DEVICES);
> - }
> -
> - igt_describe(test_hotplug_for_each_pipe_desc);
> - connector_subtest("vga-hpd-for-each-pipe", VGA)
> - test_hotplug_for_each_pipe(&data, port);
> -
> - igt_fixture {
> - igt_display_fini(&data.display);
> - close(data.drm_fd);
> - }
> -}
> diff --git a/tests/chamelium/kms_chamelium_audio.c b/tests/chamelium/kms_chamelium_audio.c
> new file mode 100644
> index 00000000..4d13744c
> --- /dev/null
> +++ b/tests/chamelium/kms_chamelium_audio.c
> @@ -0,0 +1,858 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * A Chamelium test for testing the Audio functionality.
> + *
> + * Copyright 2022 Google LLC.
> + *
> + * Authors: Mark Yacoub <markyacoub at chromium.org>
> + */
> +
> +#include "igt_eld.h"
> +#include "igt_infoframe.h"
> +#include "kms_chamelium_helper.h"
> +
> +/* Playback parameters control the audio signal we synthesize and send */
> +#define PLAYBACK_CHANNELS 2
> +#define PLAYBACK_SAMPLES 1024
> +
> +/* Capture paremeters control the audio signal we receive */
> +#define CAPTURE_SAMPLES 2048
> +
> +#define AUDIO_TIMEOUT 2000 /* ms */
> +/* A streak of 3 gives confidence that the signal is good. */
> +#define MIN_STREAK 3
> +
> +#define FLATLINE_AMPLITUDE 0.1 /* normalized, ie. in [0, 1] */
> +#define FLATLINE_AMPLITUDE_ACCURACY 0.001 /* ± 0.1 % of the full amplitude */
> +#define FLATLINE_ALIGN_ACCURACY 0 /* number of samples */
> +
> +struct audio_state {
> + struct alsa *alsa;
> + struct chamelium *chamelium;
> + struct chamelium_port *port;
> + struct chamelium_stream *stream;
> +
> + /* The capture format is only available after capture has started. */
> + struct {
> + snd_pcm_format_t format;
> + int channels;
> + int rate;
> + } playback, capture;
> +
> + char *name;
> + struct audio_signal *signal; /* for frequencies test only */
> + int channel_mapping[CHAMELIUM_MAX_AUDIO_CHANNELS];
> +
> + size_t recv_pages;
> + int msec;
> +
> + int dump_fd;
> + char *dump_path;
> +
> + pthread_t thread;
> + atomic_bool run;
> + atomic_bool positive; /* for pulse test only */
> +};
> +
> +/* TODO: enable >48KHz rates, these are not reliable */
> +static int test_sampling_rates[] = {
> + 32000, 44100, 48000,
> + /* 88200, */
> + /* 96000, */
> + /* 176400, */
> + /* 192000, */
> +};
> +
> +static int test_sampling_rates_count =
> + sizeof(test_sampling_rates) / sizeof(int);
> +
> +/* Test frequencies (Hz): a sine signal will be generated for each.
> + *
> + * Depending on the sampling rate chosen, it might not be possible to properly
> + * detect the generated sine (see Nyquist–Shannon sampling theorem).
> + * Frequencies that can't be reliably detected will be automatically pruned in
> + * #audio_signal_add_frequency. For instance, the 80KHz frequency can only be
> + * tested with a 192KHz sampling rate.
> + */
> +static int test_frequencies[] = {
> + 300, 600, 1200, 10000, 80000,
> +};
> +
> +static int test_frequencies_count = sizeof(test_frequencies) / sizeof(int);
> +
> +static const snd_pcm_format_t test_formats[] = {
> + SND_PCM_FORMAT_S16_LE,
> + SND_PCM_FORMAT_S24_LE,
> + SND_PCM_FORMAT_S32_LE,
> +};
> +
> +static const size_t test_formats_count =
> + sizeof(test_formats) / sizeof(test_formats[0]);
> +
> +static void audio_state_init(struct audio_state *state, chamelium_data_t *data,
> + struct alsa *alsa, struct chamelium_port *port,
> + snd_pcm_format_t format, int channels, int rate)
> +{
> + memset(state, 0, sizeof(*state));
> + state->dump_fd = -1;
> +
> + state->alsa = alsa;
> + state->chamelium = data->chamelium;
> + state->port = port;
> +
> + state->playback.format = format;
> + state->playback.channels = channels;
> + state->playback.rate = rate;
> +
> + alsa_configure_output(alsa, format, channels, rate);
> +
> + state->stream = chamelium_stream_init();
> + igt_assert_f(state->stream,
> + "Failed to initialize Chamelium stream client\n");
> +}
> +
> +static void audio_state_fini(struct audio_state *state)
> +{
> + chamelium_stream_deinit(state->stream);
> + free(state->name);
> +}
> +
> +static void *run_audio_thread(void *data)
> +{
> + struct alsa *alsa = data;
> +
> + alsa_run(alsa, -1);
> + return NULL;
> +}
> +
> +static void audio_state_start(struct audio_state *state, const char *name)
> +{
> + int ret;
> + bool ok;
> + size_t i, j;
> + enum chamelium_stream_realtime_mode stream_mode;
> + char dump_suffix[64];
> +
> + free(state->name);
> + state->name = strdup(name);
> + state->recv_pages = 0;
> + state->msec = 0;
> +
> + igt_debug("Starting %s test with playback format %s, "
> + "sampling rate %d Hz and %d channels\n",
> + name, snd_pcm_format_name(state->playback.format),
> + state->playback.rate, state->playback.channels);
> +
> + chamelium_start_capturing_audio(state->chamelium, state->port, false);
> +
> + stream_mode = CHAMELIUM_STREAM_REALTIME_STOP_WHEN_OVERFLOW;
> + ok = chamelium_stream_dump_realtime_audio(state->stream, stream_mode);
> + igt_assert_f(ok, "Failed to start streaming audio capture\n");
> +
> + /* Start playing audio */
> + state->run = true;
> + ret = pthread_create(&state->thread, NULL, run_audio_thread,
> + state->alsa);
> + igt_assert_f(ret == 0, "Failed to start audio playback thread\n");
> +
> + /* The Chamelium device only supports this PCM format. */
> + state->capture.format = SND_PCM_FORMAT_S32_LE;
> +
> + /* Only after we've started playing audio, we can retrieve the capture
> + * format used by the Chamelium device. */
> + chamelium_get_audio_format(state->chamelium, state->port,
> + &state->capture.rate,
> + &state->capture.channels);
> + if (state->capture.rate == 0) {
> + igt_debug("Audio receiver doesn't indicate the capture "
> + "sampling rate, assuming it's %d Hz\n",
> + state->playback.rate);
> + state->capture.rate = state->playback.rate;
> + }
> +
> + chamelium_get_audio_channel_mapping(state->chamelium, state->port,
> + state->channel_mapping);
> + /* Make sure we can capture all channels we send. */
> + for (i = 0; i < state->playback.channels; i++) {
> + ok = false;
> + for (j = 0; j < state->capture.channels; j++) {
> + if (state->channel_mapping[j] == i) {
> + ok = true;
> + break;
> + }
> + }
> + igt_assert_f(ok, "Cannot capture all channels\n");
> + }
> +
> + if (igt_frame_dump_is_enabled()) {
> + snprintf(dump_suffix, sizeof(dump_suffix),
> + "capture-%s-%s-%dch-%dHz", name,
> + snd_pcm_format_name(state->playback.format),
> + state->playback.channels, state->playback.rate);
> +
> + state->dump_fd = audio_create_wav_file_s32_le(
> + dump_suffix, state->capture.rate,
> + state->capture.channels, &state->dump_path);
> + igt_assert_f(state->dump_fd >= 0,
> + "Failed to create audio dump file\n");
> + }
> +}
> +
> +static void audio_state_receive(struct audio_state *state, int32_t **recv,
> + size_t *recv_len)
> +{
> + bool ok;
> + size_t page_count;
> + size_t recv_size;
> +
> + ok = chamelium_stream_receive_realtime_audio(state->stream, &page_count,
> + recv, recv_len);
> + igt_assert_f(ok, "Failed to receive audio from stream server\n");
> +
> + state->msec = state->recv_pages * *recv_len /
> + (double)state->capture.channels /
> + (double)state->capture.rate * 1000;
> + state->recv_pages++;
> +
> + if (state->dump_fd >= 0) {
> + recv_size = *recv_len * sizeof(int32_t);
> + igt_assert_f(write(state->dump_fd, *recv, recv_size) ==
> + recv_size,
> + "Failed to write to audio dump file\n");
> + }
> +}
> +
> +static void audio_state_stop(struct audio_state *state, bool success)
> +{
> + bool ok;
> + int ret;
> + struct chamelium_audio_file *audio_file;
> + enum igt_log_level log_level;
> +
> + igt_debug("Stopping audio playback\n");
> + state->run = false;
> + ret = pthread_join(state->thread, NULL);
> + igt_assert_f(ret == 0, "Failed to join audio playback thread\n");
> +
> + ok = chamelium_stream_stop_realtime_audio(state->stream);
> + igt_assert_f(ok, "Failed to stop streaming audio capture\n");
> +
> + audio_file =
> + chamelium_stop_capturing_audio(state->chamelium, state->port);
> + if (audio_file) {
> + igt_debug("Audio file saved on the Chamelium in %s\n",
> + audio_file->path);
> + chamelium_destroy_audio_file(audio_file);
> + }
> +
> + if (state->dump_fd >= 0) {
> + close(state->dump_fd);
> + state->dump_fd = -1;
> +
> + if (success) {
> + /* Test succeeded, no need to keep the captured data */
> + unlink(state->dump_path);
> + } else
> + igt_debug("Saved captured audio data to %s\n",
> + state->dump_path);
> + free(state->dump_path);
> + state->dump_path = NULL;
> + }
> +
> + if (success)
> + log_level = IGT_LOG_DEBUG;
> + else
> + log_level = IGT_LOG_CRITICAL;
> +
> + igt_log(IGT_LOG_DOMAIN, log_level,
> + "Audio %s test result for format %s, "
> + "sampling rate %d Hz and %d channels: %s\n",
> + state->name, snd_pcm_format_name(state->playback.format),
> + state->playback.rate, state->playback.channels,
> + success ? "ALL GREEN" : "FAILED");
> +}
> +
> +static void check_audio_infoframe(struct audio_state *state)
> +{
> + struct chamelium_infoframe *infoframe;
> + struct infoframe_audio infoframe_audio;
> + struct infoframe_audio expected = { 0 };
> + bool ok;
> +
> + if (!chamelium_supports_get_last_infoframe(state->chamelium)) {
> + igt_debug("Skipping audio InfoFrame check: "
> + "Chamelium board doesn't support GetLastInfoFrame\n");
> + return;
> + }
> +
> + expected.coding_type = INFOFRAME_AUDIO_CT_PCM;
> + expected.channel_count = state->playback.channels;
> + expected.sampling_freq = state->playback.rate;
> + expected.sample_size = snd_pcm_format_width(state->playback.format);
> +
> + infoframe = chamelium_get_last_infoframe(state->chamelium, state->port,
> + CHAMELIUM_INFOFRAME_AUDIO);
> + if (infoframe == NULL && state->playback.channels <= 2) {
> + /* Audio InfoFrames are optional for mono and stereo audio */
> + igt_debug("Skipping audio InfoFrame check: "
> + "no InfoFrame received\n");
> + return;
> + }
> + igt_assert_f(infoframe != NULL, "no audio InfoFrame received\n");
> +
> + ok = infoframe_audio_parse(&infoframe_audio, infoframe->version,
> + infoframe->payload, infoframe->payload_size);
> + chamelium_infoframe_destroy(infoframe);
> + igt_assert_f(ok, "failed to parse audio InfoFrame\n");
> +
> + igt_debug("Checking audio InfoFrame:\n");
> + igt_debug("coding_type: got %d, expected %d\n",
> + infoframe_audio.coding_type, expected.coding_type);
> + igt_debug("channel_count: got %d, expected %d\n",
> + infoframe_audio.channel_count, expected.channel_count);
> + igt_debug("sampling_freq: got %d, expected %d\n",
> + infoframe_audio.sampling_freq, expected.sampling_freq);
> + igt_debug("sample_size: got %d, expected %d\n",
> + infoframe_audio.sample_size, expected.sample_size);
> +
> + if (infoframe_audio.coding_type != INFOFRAME_AUDIO_CT_UNSPECIFIED)
> + igt_assert(infoframe_audio.coding_type == expected.coding_type);
> + if (infoframe_audio.channel_count >= 0)
> + igt_assert(infoframe_audio.channel_count ==
> + expected.channel_count);
> + if (infoframe_audio.sampling_freq >= 0)
> + igt_assert(infoframe_audio.sampling_freq ==
> + expected.sampling_freq);
> + if (infoframe_audio.sample_size >= 0)
> + igt_assert(infoframe_audio.sample_size == expected.sample_size);
> +}
> +
> +static int audio_output_frequencies_callback(void *data, void *buffer,
> + int samples)
> +{
> + struct audio_state *state = data;
> + double *tmp;
> + size_t len;
> +
> + len = samples * state->playback.channels;
> + tmp = malloc(len * sizeof(double));
> + audio_signal_fill(state->signal, tmp, samples);
> + audio_convert_to(buffer, tmp, len, state->playback.format);
> + free(tmp);
> +
> + return state->run ? 0 : -1;
> +}
> +
> +static bool test_audio_frequencies(struct audio_state *state)
> +{
> + int freq, step;
> + int32_t *recv, *buf;
> + double *channel;
> + size_t i, j, streak;
> + size_t recv_len, buf_len, buf_cap, channel_len;
> + bool success;
> + int capture_chan;
> +
> + state->signal = audio_signal_init(state->playback.channels,
> + state->playback.rate);
> + igt_assert_f(state->signal, "Failed to initialize audio signal\n");
> +
> + /* We'll choose different frequencies per channel to make sure they are
> + * independent from each other. To do so, we'll add a different offset
> + * to the base frequencies for each channel. We need to choose a big
> + * enough offset so that we're sure to detect mixed up channels. We
> + * choose an offset of two 2 bins in the final FFT to enforce a clear
> + * difference.
> + *
> + * Note that we assume capture_rate == playback_rate. We'll assert this
> + * later on. We cannot retrieve the capture rate before starting
> + * playing audio, so we don't really have the choice.
> + */
> + step = 2 * state->playback.rate / CAPTURE_SAMPLES;
> + for (i = 0; i < test_frequencies_count; i++) {
> + for (j = 0; j < state->playback.channels; j++) {
> + freq = test_frequencies[i] + j * step;
> + audio_signal_add_frequency(state->signal, freq, j);
> + }
> + }
> + audio_signal_synthesize(state->signal);
> +
> + alsa_register_output_callback(state->alsa,
> + audio_output_frequencies_callback, state,
> + PLAYBACK_SAMPLES);
> +
> + audio_state_start(state, "frequencies");
> +
> + igt_assert_f(state->capture.rate == state->playback.rate,
> + "Capture rate (%dHz) doesn't match playback rate (%dHz)\n",
> + state->capture.rate, state->playback.rate);
> +
> + /* Needs to be a multiple of 128, because that's the number of samples
> + * we get per channel each time we receive an audio page from the
> + * Chamelium device.
> + *
> + * Additionally, this value needs to be high enough to guarantee we
> + * capture a full period of each sine we generate. If we capture 2048
> + * samples at a 192KHz sampling rate, we get a full period for a >94Hz
> + * sines. For lower sampling rates, the capture duration will be
> + * longer.
> + */
> + channel_len = CAPTURE_SAMPLES;
> + channel = malloc(sizeof(double) * channel_len);
> +
> + buf_cap = state->capture.channels * channel_len;
> + buf = malloc(sizeof(int32_t) * buf_cap);
> + buf_len = 0;
> +
> + recv = NULL;
> + recv_len = 0;
> +
> + success = false;
> + streak = 0;
> + while (!success && state->msec < AUDIO_TIMEOUT) {
> + audio_state_receive(state, &recv, &recv_len);
> +
> + memcpy(&buf[buf_len], recv, recv_len * sizeof(int32_t));
> + buf_len += recv_len;
> +
> + if (buf_len < buf_cap)
> + continue;
> + igt_assert(buf_len == buf_cap);
> +
> + igt_debug("Detecting audio signal, t=%d msec\n", state->msec);
> +
> + for (j = 0; j < state->playback.channels; j++) {
> + capture_chan = state->channel_mapping[j];
> + igt_assert(capture_chan >= 0);
> + igt_debug("Processing channel %zu (captured as "
> + "channel %d)\n",
> + j, capture_chan);
> +
> + audio_extract_channel_s32_le(channel, channel_len, buf,
> + buf_len,
> + state->capture.channels,
> + capture_chan);
> +
> + if (audio_signal_detect(state->signal,
> + state->capture.rate, j, channel,
> + channel_len))
> + streak++;
> + else
> + streak = 0;
> + }
> +
> + buf_len = 0;
> +
> + success = streak == MIN_STREAK * state->playback.channels;
> + }
> +
> + audio_state_stop(state, success);
> +
> + free(recv);
> + free(buf);
> + free(channel);
> + audio_signal_fini(state->signal);
> +
> + check_audio_infoframe(state);
> +
> + return success;
> +}
> +
> +static int audio_output_flatline_callback(void *data, void *buffer, int samples)
> +{
> + struct audio_state *state = data;
> + double *tmp;
> + size_t len, i;
> +
> + len = samples * state->playback.channels;
> + tmp = malloc(len * sizeof(double));
> + for (i = 0; i < len; i++)
> + tmp[i] = (state->positive ? 1 : -1) * FLATLINE_AMPLITUDE;
> + audio_convert_to(buffer, tmp, len, state->playback.format);
> + free(tmp);
> +
> + return state->run ? 0 : -1;
> +}
> +
> +static bool detect_flatline_amplitude(double *buf, size_t buf_len, bool pos)
> +{
> + double expected, min, max;
> + size_t i;
> + bool ok;
> +
> + min = max = NAN;
> + for (i = 0; i < buf_len; i++) {
> + if (isnan(min) || buf[i] < min)
> + min = buf[i];
> + if (isnan(max) || buf[i] > max)
> + max = buf[i];
> + }
> +
> + expected = (pos ? 1 : -1) * FLATLINE_AMPLITUDE;
> + ok = (min >= expected - FLATLINE_AMPLITUDE_ACCURACY &&
> + max <= expected + FLATLINE_AMPLITUDE_ACCURACY);
> + if (ok)
> + igt_debug("Flatline wave amplitude detected\n");
> + else
> + igt_debug("Flatline amplitude not detected (min=%f, max=%f)\n",
> + min, max);
> + return ok;
> +}
> +
> +static ssize_t detect_falling_edge(double *buf, size_t buf_len)
> +{
> + size_t i;
> +
> + for (i = 0; i < buf_len; i++) {
> + if (buf[i] < 0)
> + return i;
> + }
> +
> + return -1;
> +}
> +
> +/** test_audio_flatline:
> + *
> + * Send a constant value (one positive, then a negative one) and check that:
> + *
> + * - The amplitude of the flatline is correct
> + * - All channels switch from a positive signal to a negative one at the same
> + * time (ie. all channels are aligned)
> + */
> +static bool test_audio_flatline(struct audio_state *state)
> +{
> + bool success, amp_success, align_success;
> + int32_t *recv;
> + size_t recv_len, i, channel_len;
> + ssize_t j;
> + int streak, capture_chan;
> + double *channel;
> + int falling_edges[CHAMELIUM_MAX_AUDIO_CHANNELS];
> +
> + alsa_register_output_callback(state->alsa,
> + audio_output_flatline_callback, state,
> + PLAYBACK_SAMPLES);
> +
> + /* Start by sending a positive signal */
> + state->positive = true;
> +
> + audio_state_start(state, "flatline");
> +
> + for (i = 0; i < state->playback.channels; i++)
> + falling_edges[i] = -1;
> +
> + recv = NULL;
> + recv_len = 0;
> + amp_success = false;
> + streak = 0;
> + while (!amp_success && state->msec < AUDIO_TIMEOUT) {
> + audio_state_receive(state, &recv, &recv_len);
> +
> + igt_debug("Detecting audio signal, t=%d msec\n", state->msec);
> +
> + for (i = 0; i < state->playback.channels; i++) {
> + capture_chan = state->channel_mapping[i];
> + igt_assert(capture_chan >= 0);
> + igt_debug("Processing channel %zu (captured as "
> + "channel %d)\n",
> + i, capture_chan);
> +
> + channel_len = audio_extract_channel_s32_le(
> + NULL, 0, recv, recv_len,
> + state->capture.channels, capture_chan);
> + channel = malloc(channel_len * sizeof(double));
> + audio_extract_channel_s32_le(channel, channel_len, recv,
> + recv_len,
> + state->capture.channels,
> + capture_chan);
> +
> + /* Check whether the amplitude is fine */
> + if (detect_flatline_amplitude(channel, channel_len,
> + state->positive))
> + streak++;
> + else
> + streak = 0;
> +
> + /* If we're now sending a negative signal, detect the
> + * falling edge */
> + j = detect_falling_edge(channel, channel_len);
> + if (!state->positive && j >= 0) {
> + falling_edges[i] =
> + recv_len * state->recv_pages + j;
> + }
> +
> + free(channel);
> + }
> +
> + amp_success = streak == MIN_STREAK * state->playback.channels;
> +
> + if (amp_success && state->positive) {
> + /* Switch to a negative signal after we've detected the
> + * positive one. */
> + state->positive = false;
> + amp_success = false;
> + streak = 0;
> + igt_debug("Switching to negative square wave\n");
> + }
> + }
> +
> + /* Check alignment between all channels by comparing the index of the
> + * falling edge. */
> + align_success = true;
> + for (i = 0; i < state->playback.channels; i++) {
> + if (falling_edges[i] < 0) {
> + igt_critical(
> + "Falling edge not detected for channel %zu\n",
> + i);
> + align_success = false;
> + continue;
> + }
> +
> + if (abs(falling_edges[0] - falling_edges[i]) >
> + FLATLINE_ALIGN_ACCURACY) {
> + igt_critical("Channel alignment mismatch: "
> + "channel 0 has a falling edge at index %d "
> + "while channel %zu has index %d\n",
> + falling_edges[0], i, falling_edges[i]);
> + align_success = false;
> + }
> + }
> +
> + success = amp_success && align_success;
> + audio_state_stop(state, success);
> +
> + free(recv);
> +
> + return success;
> +}
> +
> +static bool check_audio_configuration(struct alsa *alsa,
> + snd_pcm_format_t format, int channels,
> + int sampling_rate)
> +{
> + if (!alsa_test_output_configuration(alsa, format, channels,
> + sampling_rate)) {
> + igt_debug("Skipping test with format %s, sampling rate %d Hz "
> + "and %d channels because at least one of the "
> + "selected output devices doesn't support this "
> + "configuration\n",
> + snd_pcm_format_name(format), sampling_rate, channels);
> + return false;
> + }
> + /* TODO: the Chamelium device sends a malformed signal for some audio
> + * configurations. See crbug.com/950917 */
> + if ((format != SND_PCM_FORMAT_S16_LE && sampling_rate >= 44100) ||
> + channels > 2) {
> + igt_debug("Skipping test with format %s, sampling rate %d Hz "
> + "and %d channels because the Chamelium device "
> + "doesn't support this configuration\n",
> + snd_pcm_format_name(format), sampling_rate, channels);
> + return false;
> + }
> + return true;
> +}
> +
> +static const char test_display_audio_desc[] =
> + "Playback various audio signals with various audio formats/rates, "
> + "capture them and check they are correct";
> +static void test_display_audio(chamelium_data_t *data,
> + struct chamelium_port *port,
> + const char *audio_device,
> + enum igt_custom_edid_type edid)
> +{
> + bool run, success;
> + struct alsa *alsa;
> + int ret;
> + igt_output_t *output;
> + igt_plane_t *primary;
> + struct igt_fb fb;
> + drmModeModeInfo *mode;
> + drmModeConnector *connector;
> + int fb_id, i, j;
> + int channels, sampling_rate;
> + snd_pcm_format_t format;
> + struct audio_state state;
> +
> + igt_require(alsa_has_exclusive_access());
> +
> + /* Old Chamelium devices need an update for DisplayPort audio and
> + * chamelium_get_audio_format support. */
> + igt_require(chamelium_has_audio_support(data->chamelium, port));
> +
> + alsa = alsa_init();
> + igt_assert(alsa);
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + output = chamelium_prepare_output(data, port, edid);
> + connector = chamelium_port_get_connector(data->chamelium, port, false);
> + primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> +
> + /* Enable the output because the receiver won't try to receive audio if
> + * it doesn't receive video. */
> + igt_assert(connector->count_modes > 0);
> + mode = &connector->modes[0];
> +
> + fb_id = igt_create_color_pattern_fb(data->drm_fd, mode->hdisplay,
> + mode->vdisplay, DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_MOD_LINEAR, 0, 0, 0,
> + &fb);
> + igt_assert(fb_id > 0);
> +
> + chamelium_enable_output(data, port, output, mode, &fb);
> +
> + run = false;
> + success = true;
> + for (i = 0; i < test_sampling_rates_count; i++) {
> + for (j = 0; j < test_formats_count; j++) {
> + ret = alsa_open_output(alsa, audio_device);
> + igt_assert_f(ret >= 0, "Failed to open ALSA output\n");
> +
> + /* TODO: playback on all 8 available channels (this
> + * isn't supported by Chamelium devices yet, see
> + * https://crbug.com/950917) */
> + format = test_formats[j];
> + channels = PLAYBACK_CHANNELS;
> + sampling_rate = test_sampling_rates[i];
> +
> + if (!check_audio_configuration(alsa, format, channels,
> + sampling_rate))
> + continue;
> +
> + run = true;
> +
> + audio_state_init(&state, data, alsa, port, format,
> + channels, sampling_rate);
> + success &= test_audio_frequencies(&state);
> + success &= test_audio_flatline(&state);
> + audio_state_fini(&state);
> +
> + alsa_close_output(alsa);
> + }
> + }
> +
> + /* Make sure we tested at least one frequency and format. */
> + igt_assert(run);
> + /* Make sure all runs were successful. */
> + igt_assert(success);
> +
> + igt_remove_fb(data->drm_fd, &fb);
> +
> + drmModeFreeConnector(connector);
> +
> + free(alsa);
> +}
> +
> +static const char test_display_audio_edid_desc[] =
> + "Plug a connector with an EDID suitable for audio, check ALSA's "
> + "EDID-Like Data reports the correct audio parameters";
> +static void test_display_audio_edid(chamelium_data_t *data,
> + struct chamelium_port *port,
> + enum igt_custom_edid_type edid)
> +{
> + igt_output_t *output;
> + igt_plane_t *primary;
> + struct igt_fb fb;
> + drmModeModeInfo *mode;
> + drmModeConnector *connector;
> + int fb_id;
> + struct eld_entry eld;
> + struct eld_sad *sad;
> +
> + igt_require(eld_is_supported());
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + output = chamelium_prepare_output(data, port, edid);
> + connector = chamelium_port_get_connector(data->chamelium, port, false);
> + primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> +
> + /* Enable the output because audio cannot be played on inactive
> + * connectors. */
> + igt_assert(connector->count_modes > 0);
> + mode = &connector->modes[0];
> +
> + fb_id = igt_create_color_pattern_fb(data->drm_fd, mode->hdisplay,
> + mode->vdisplay, DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_MOD_LINEAR, 0, 0, 0,
> + &fb);
> + igt_assert(fb_id > 0);
> +
> + chamelium_enable_output(data, port, output, mode, &fb);
> +
> + igt_assert(eld_get_igt(&eld));
> + igt_assert(eld.sads_len == 1);
> +
> + sad = &eld.sads[0];
> + igt_assert(sad->coding_type == CEA_SAD_FORMAT_PCM);
> + igt_assert(sad->channels == 2);
> + igt_assert(sad->rates ==
> + (CEA_SAD_SAMPLING_RATE_32KHZ | CEA_SAD_SAMPLING_RATE_44KHZ |
> + CEA_SAD_SAMPLING_RATE_48KHZ));
> + igt_assert(sad->bits ==
> + (CEA_SAD_SAMPLE_SIZE_16 | CEA_SAD_SAMPLE_SIZE_20 |
> + CEA_SAD_SAMPLE_SIZE_24));
> +
> + igt_remove_fb(data->drm_fd, &fb);
> +
> + drmModeFreeConnector(connector);
> +}
> +
> +IGT_TEST_DESCRIPTION("Testing Audio with a Chamelium board");
> +igt_main
> +{
> + chamelium_data_t data;
> + struct chamelium_port *port;
> + int p;
> +
> + igt_fixture {
> + chamelium_init_test(&data);
> + }
> +
> + igt_describe("DisplayPort tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_DisplayPort,
> + data.port_count, 1);
> + }
> +
> + igt_describe(test_display_audio_desc);
> + connector_subtest("dp-audio", DisplayPort) test_display_audio(
> + &data, port, "HDMI", IGT_CUSTOM_EDID_DP_AUDIO);
> +
> + igt_describe(test_display_audio_edid_desc);
> + connector_subtest("dp-audio-edid", DisplayPort)
> + test_display_audio_edid(&data, port,
> + IGT_CUSTOM_EDID_DP_AUDIO);
> + }
> +
> + igt_describe("HDMI tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_HDMIA,
> + data.port_count, 1);
> + }
> +
> + igt_describe(test_display_audio_desc);
> + connector_subtest("hdmi-audio", HDMIA) test_display_audio(
> + &data, port, "HDMI", IGT_CUSTOM_EDID_HDMI_AUDIO);
> +
> + igt_describe(test_display_audio_edid_desc);
> + connector_subtest("hdmi-audio-edid", HDMIA)
> + test_display_audio_edid(&data, port,
> + IGT_CUSTOM_EDID_HDMI_AUDIO);
> + }
> +
> + igt_fixture {
> + igt_display_fini(&data.display);
> + close(data.drm_fd);
> + }
> +}
> diff --git a/tests/chamelium/kms_color_chamelium.c b/tests/chamelium/kms_chamelium_color.c
> similarity index 100%
> rename from tests/chamelium/kms_color_chamelium.c
> rename to tests/chamelium/kms_chamelium_color.c
> diff --git a/tests/chamelium/kms_chamelium_edid.c b/tests/chamelium/kms_chamelium_edid.c
> new file mode 100644
> index 00000000..c9e15f41
> --- /dev/null
> +++ b/tests/chamelium/kms_chamelium_edid.c
> @@ -0,0 +1,543 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * A Chamelium test for testing the EDID functionality.
> + *
> + * Copyright 2022 Google LLC.
> + *
> + * Authors: Mark Yacoub <markyacoub at chromium.org>
> + */
> +
> +#include <fcntl.h>
> +#include <stdint.h>
> +#include <string.h>
> +#include <stdatomic.h>
> +#include <xf86drmMode.h>
> +
> +#include "config.h"
> +#include "igt.h"
> +#include "igt_chamelium.h"
> +#include "igt_edid.h"
> +#include "igt_eld.h"
> +#include "igt_vc4.h"
> +#include "igt_infoframe.h"
> +#include "kms_chamelium_helper.h"
> +#include "monitor_edids/dp_edids.h"
> +#include "monitor_edids/hdmi_edids.h"
> +#include "monitor_edids/monitor_edids_helper.h"
> +
> +#define MODE_CLOCK_ACCURACY 0.05 /* 5% */
> +
> +static void get_connectors_link_status_failed(chamelium_data_t *data,
> + bool *link_status_failed)
> +{
> + drmModeConnector *connector;
> + uint64_t link_status;
> + drmModePropertyPtr prop;
> + int p;
> +
> + for (p = 0; p < data->port_count; p++) {
> + connector = chamelium_port_get_connector(data->chamelium,
> + data->ports[p], false);
> +
> + igt_assert(kmstest_get_property(
> + data->drm_fd, connector->connector_id,
> + DRM_MODE_OBJECT_CONNECTOR, "link-status", NULL,
> + &link_status, &prop));
> +
> + link_status_failed[p] = link_status == DRM_MODE_LINK_STATUS_BAD;
> +
> + drmModeFreeProperty(prop);
> + drmModeFreeConnector(connector);
> + }
> +}
> +
> +static void check_mode(struct chamelium *chamelium, struct chamelium_port *port,
> + drmModeModeInfo *mode)
> +{
> + struct chamelium_video_params video_params = { 0 };
> + double mode_clock;
> + int mode_hsync_offset, mode_vsync_offset;
> + int mode_hsync_width, mode_vsync_width;
> + int mode_hsync_polarity, mode_vsync_polarity;
> +
> + chamelium_port_get_video_params(chamelium, port, &video_params);
> +
> + mode_clock = (double)mode->clock / 1000;
> +
> + if (chamelium_port_get_type(port) == DRM_MODE_CONNECTOR_DisplayPort) {
> + /* this is what chamelium understands as offsets for DP */
> + mode_hsync_offset = mode->htotal - mode->hsync_start;
> + mode_vsync_offset = mode->vtotal - mode->vsync_start;
> + } else {
> + /* and this is what they are for other connectors */
> + mode_hsync_offset = mode->hsync_start - mode->hdisplay;
> + mode_vsync_offset = mode->vsync_start - mode->vdisplay;
> + }
> +
> + mode_hsync_width = mode->hsync_end - mode->hsync_start;
> + mode_vsync_width = mode->vsync_end - mode->vsync_start;
> +
> + mode_hsync_polarity = !!(mode->flags & DRM_MODE_FLAG_PHSYNC);
> + mode_vsync_polarity = !!(mode->flags & DRM_MODE_FLAG_PVSYNC);
> +
> + igt_debug("Checking video mode:\n");
> + igt_debug("clock: got %f, expected %f ± %f%%\n", video_params.clock,
> + mode_clock, MODE_CLOCK_ACCURACY * 100);
> + igt_debug("hactive: got %d, expected %d\n", video_params.hactive,
> + mode->hdisplay);
> + igt_debug("vactive: got %d, expected %d\n", video_params.vactive,
> + mode->vdisplay);
> + igt_debug("hsync_offset: got %d, expected %d\n",
> + video_params.hsync_offset, mode_hsync_offset);
> + igt_debug("vsync_offset: got %d, expected %d\n",
> + video_params.vsync_offset, mode_vsync_offset);
> + igt_debug("htotal: got %d, expected %d\n", video_params.htotal,
> + mode->htotal);
> + igt_debug("vtotal: got %d, expected %d\n", video_params.vtotal,
> + mode->vtotal);
> + igt_debug("hsync_width: got %d, expected %d\n",
> + video_params.hsync_width, mode_hsync_width);
> + igt_debug("vsync_width: got %d, expected %d\n",
> + video_params.vsync_width, mode_vsync_width);
> + igt_debug("hsync_polarity: got %d, expected %d\n",
> + video_params.hsync_polarity, mode_hsync_polarity);
> + igt_debug("vsync_polarity: got %d, expected %d\n",
> + video_params.vsync_polarity, mode_vsync_polarity);
> +
> + if (!isnan(video_params.clock)) {
> + igt_assert(video_params.clock >
> + mode_clock * (1 - MODE_CLOCK_ACCURACY));
> + igt_assert(video_params.clock <
> + mode_clock * (1 + MODE_CLOCK_ACCURACY));
> + }
> + igt_assert(video_params.hactive == mode->hdisplay);
> + igt_assert(video_params.vactive == mode->vdisplay);
> + igt_assert(video_params.hsync_offset == mode_hsync_offset);
> + igt_assert(video_params.vsync_offset == mode_vsync_offset);
> + igt_assert(video_params.htotal == mode->htotal);
> + igt_assert(video_params.vtotal == mode->vtotal);
> + igt_assert(video_params.hsync_width == mode_hsync_width);
> + igt_assert(video_params.vsync_width == mode_vsync_width);
> + igt_assert(video_params.hsync_polarity == mode_hsync_polarity);
> + igt_assert(video_params.vsync_polarity == mode_vsync_polarity);
> +}
> +
> +static const char igt_custom_edid_type_read_desc[] =
> + "Make sure the EDID exposed by KMS is the same as the screen's";
> +static void igt_custom_edid_type_read(chamelium_data_t *data,
> + struct chamelium_port *port,
> + enum igt_custom_edid_type edid)
> +{
> + drmModePropertyBlobPtr edid_blob = NULL;
> + drmModeConnector *connector;
> + size_t raw_edid_size;
> + const struct edid *raw_edid;
> + uint64_t edid_blob_id;
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + chamelium_set_edid(data, port, edid);
> + chamelium_plug(data->chamelium, port);
> + chamelium_wait_for_conn_status_change(&data->display, data->chamelium,
> + port, DRM_MODE_CONNECTED);
> +
> + igt_skip_on(chamelium_check_analog_bridge(data, port));
> +
> + connector = chamelium_port_get_connector(data->chamelium, port, true);
> + igt_assert(kmstest_get_property(data->drm_fd, connector->connector_id,
> + DRM_MODE_OBJECT_CONNECTOR, "EDID", NULL,
> + &edid_blob_id, NULL));
> + igt_assert(edid_blob_id != 0);
> + edid_blob = drmModeGetPropertyBlob(data->drm_fd, edid_blob_id);
> + igt_assert(edid_blob);
> +
> + raw_edid = chamelium_edid_get_raw(data->edids[edid], port);
> + raw_edid_size = edid_get_size(raw_edid);
> + igt_assert(memcmp(raw_edid, edid_blob->data, raw_edid_size) == 0);
> +
> + drmModeFreePropertyBlob(edid_blob);
> + drmModeFreeConnector(connector);
> +}
> +
> +static const char igt_edid_stress_resolution_desc[] =
> + "Stress test the DUT by testing multiple EDIDs, one right after the other,"
> + "and ensure their validity by check the real screen resolution vs the"
> + "advertised mode resultion.";
> +static void edid_stress_resolution(chamelium_data_t *data,
> + struct chamelium_port *port,
> + monitor_edid edids_list[],
> + size_t edids_list_len)
> +{
> + int i;
> + struct chamelium *chamelium = data->chamelium;
> + struct udev_monitor *mon = igt_watch_uevents();
> +
> + for (i = 0; i < edids_list_len; ++i) {
> + struct chamelium_edid *chamelium_edid;
> + drmModeModeInfo mode;
> + struct igt_fb fb = { 0 };
> + igt_output_t *output;
> + enum pipe pipe;
> + bool is_video_stable;
> + int screen_res_w, screen_res_h;
> +
> + monitor_edid *edid = &edids_list[i];
> + igt_info("Testing out the EDID for %s\n",
> + monitor_edid_get_name(edid));
> +
> + /* Getting and Setting the EDID on Chamelium. */
> + chamelium_edid =
> + get_chameleon_edid_from_monitor_edid(chamelium, edid);
> + chamelium_port_set_edid(data->chamelium, port, chamelium_edid);
> + free_chamelium_edid_from_monitor_edid(chamelium_edid);
> +
> + igt_flush_uevents(mon);
> + chamelium_plug(chamelium, port);
> + chamelium_wait_for_connector_after_hotplug(data, mon, port,
> + DRM_MODE_CONNECTED);
> + igt_flush_uevents(mon);
> +
> + /* Setting an output on the screen to turn it on. */
> + mode = chamelium_get_mode_for_port(chamelium, port);
> + chamelium_create_fb_for_mode(data, &fb, &mode);
> + output = chamelium_get_output_for_port(data, port);
> + pipe = chamelium_get_pipe_for_output(&data->display, output);
> + igt_output_set_pipe(output, pipe);
> + chamelium_enable_output(data, port, output, &mode, &fb);
> +
> + /* Capture the screen resolution and verify. */
> + is_video_stable = chamelium_port_wait_video_input_stable(
> + chamelium, port, 5);
> + igt_assert(is_video_stable);
> +
> + chamelium_port_get_resolution(chamelium, port, &screen_res_w,
> + &screen_res_h);
> + igt_assert(screen_res_w == fb.width);
> + igt_assert(screen_res_h == fb.height);
> +
> + // Clean up
> + igt_remove_fb(data->drm_fd, &fb);
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_unplug(chamelium, port);
> + }
> +
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +}
> +
> +static const char igt_edid_resolution_list_desc[] =
> + "Get an EDID with many modes of different configurations, set them on the screen and check the"
> + " screen resolution matches the mode resolution.";
> +
> +static void edid_resolution_list(chamelium_data_t *data,
> + struct chamelium_port *port)
> +{
> + struct chamelium *chamelium = data->chamelium;
> + struct udev_monitor *mon = igt_watch_uevents();
> + drmModeConnector *connector;
> + drmModeModeInfoPtr modes;
> + int count_modes;
> + int i;
> + igt_output_t *output;
> + enum pipe pipe;
> +
> + chamelium_unplug(chamelium, port);
> + chamelium_set_edid(data, port, IGT_CUSTOM_EDID_FULL);
> +
> + igt_flush_uevents(mon);
> + chamelium_plug(chamelium, port);
> + chamelium_wait_for_connector_after_hotplug(data, mon, port,
> + DRM_MODE_CONNECTED);
> + igt_flush_uevents(mon);
> +
> + connector = chamelium_port_get_connector(chamelium, port, true);
> + modes = connector->modes;
> + count_modes = connector->count_modes;
> +
> + output = chamelium_get_output_for_port(data, port);
> + pipe = chamelium_get_pipe_for_output(&data->display, output);
> + igt_output_set_pipe(output, pipe);
> +
> + for (i = 0; i < count_modes; ++i)
> + igt_debug("#%d %s %uHz\n", i, modes[i].name, modes[i].vrefresh);
> +
> + for (i = 0; i < count_modes; ++i) {
> + struct igt_fb fb = { 0 };
> + bool is_video_stable;
> + int screen_res_w, screen_res_h;
> +
> + igt_info("Testing #%d %s %uHz\n", i, modes[i].name,
> + modes[i].vrefresh);
> +
> + /* Set the screen mode with the one we chose. */
> + chamelium_create_fb_for_mode(data, &fb, &modes[i]);
> + chamelium_enable_output(data, port, output, &modes[i], &fb);
> + is_video_stable = chamelium_port_wait_video_input_stable(
> + chamelium, port, 10);
> + igt_assert(is_video_stable);
> +
> + chamelium_port_get_resolution(chamelium, port, &screen_res_w,
> + &screen_res_h);
> + igt_assert_eq(screen_res_w, modes[i].hdisplay);
> + igt_assert_eq(screen_res_h, modes[i].vdisplay);
> +
> + igt_remove_fb(data->drm_fd, &fb);
> + }
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + drmModeFreeConnector(connector);
> +}
> +
> +static const char test_suspend_resume_edid_change_desc[] =
> + "Simulate a screen being unplugged and another screen being plugged "
> + "during suspend, check that a uevent is sent and connector status is "
> + "updated";
> +static void test_suspend_resume_edid_change(chamelium_data_t *data,
> + struct chamelium_port *port,
> + enum igt_suspend_state state,
> + enum igt_suspend_test test,
> + enum igt_custom_edid_type edid,
> + enum igt_custom_edid_type alt_edid)
> +{
> + struct udev_monitor *mon = igt_watch_uevents();
> + bool link_status_failed[2][data->port_count];
> + int p;
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + /* Catch the event and flush all remaining ones. */
> + igt_assert(igt_hotplug_detected(mon, CHAMELIUM_HOTPLUG_TIMEOUT));
> + igt_flush_uevents(mon);
> +
> + /* First plug in the port */
> + chamelium_set_edid(data, port, edid);
> + chamelium_plug(data->chamelium, port);
> + igt_assert(igt_hotplug_detected(mon, CHAMELIUM_HOTPLUG_TIMEOUT));
> +
> + chamelium_wait_for_conn_status_change(&data->display, data->chamelium,
> + port, DRM_MODE_CONNECTED);
> +
> + /*
> + * Change the edid before we suspend. On resume, the machine should
> + * notice the EDID change and fire a hotplug event.
> + */
> + chamelium_set_edid(data, port, alt_edid);
> +
> + get_connectors_link_status_failed(data, link_status_failed[0]);
> +
> + igt_flush_uevents(mon);
> +
> + igt_system_suspend_autoresume(state, test);
> + igt_assert(igt_hotplug_detected(mon, CHAMELIUM_HOTPLUG_TIMEOUT));
> + chamelium_assert_reachable(data->chamelium, ONLINE_TIMEOUT);
> +
> + get_connectors_link_status_failed(data, link_status_failed[1]);
> +
> + for (p = 0; p < data->port_count; p++)
> + igt_skip_on(!link_status_failed[0][p] &&
> + link_status_failed[1][p]);
> +}
> +
> +static const char test_mode_timings_desc[] =
> + "For each mode of the IGT base EDID, perform a modeset and check the "
> + "mode detected by the Chamelium receiver matches the mode we set";
> +static void test_mode_timings(chamelium_data_t *data,
> + struct chamelium_port *port)
> +{
> + int i, count_modes;
> +
> + i = 0;
> + igt_require(chamelium_supports_get_video_params(data->chamelium));
> + do {
> + igt_output_t *output;
> + igt_plane_t *primary;
> + drmModeConnector *connector;
> + drmModeModeInfo *mode;
> + int fb_id;
> + struct igt_fb fb;
> +
> + /*
> + * let's reset state each mode so we will get the
> + * HPD pulses realibably
> + */
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + /*
> + * modes may change due to mode pruining and link issues, so we
> + * need to refresh the connector
> + */
> + output = chamelium_prepare_output(data, port,
> + IGT_CUSTOM_EDID_BASE);
> + connector = chamelium_port_get_connector(data->chamelium, port,
> + false);
> + primary = igt_output_get_plane_type(output,
> + DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> +
> + /* we may skip some modes due to above but that's ok */
> + count_modes = connector->count_modes;
> + if (i >= count_modes)
> + break;
> +
> + mode = &connector->modes[i];
> +
> + fb_id = igt_create_color_pattern_fb(
> + data->drm_fd, mode->hdisplay, mode->vdisplay,
> + DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_LINEAR, 0, 0, 0,
> + &fb);
> + igt_assert(fb_id > 0);
> +
> + chamelium_enable_output(data, port, output, mode, &fb);
> +
> + /* Trigger the FSM */
> + chamelium_capture(data->chamelium, port, 0, 0, 0, 0, 0);
> +
> + check_mode(data->chamelium, port, mode);
> +
> + igt_remove_fb(data->drm_fd, &fb);
> + drmModeFreeConnector(connector);
> + } while (++i < count_modes);
> +}
> +
> +IGT_TEST_DESCRIPTION("Testing EDID with a Chamelium board");
> +igt_main
> +{
> + chamelium_data_t data;
> + struct chamelium_port *port;
> + int p;
> +
> + igt_fixture {
> + chamelium_init_test(&data);
> + }
> +
> + igt_describe("DisplayPort tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_DisplayPort,
> + data.port_count, 1);
> + }
> +
> + igt_describe(igt_custom_edid_type_read_desc);
> + connector_subtest("dp-edid-read", DisplayPort)
> + {
> + igt_custom_edid_type_read(&data, port,
> + IGT_CUSTOM_EDID_BASE);
> + igt_custom_edid_type_read(&data, port,
> + IGT_CUSTOM_EDID_ALT);
> + }
> +
> + igt_describe(igt_edid_stress_resolution_desc);
> + connector_subtest("dp-edid-stress-resolution-4k", DisplayPort)
> + edid_stress_resolution(&data, port, DP_EDIDS_4K,
> + ARRAY_SIZE(DP_EDIDS_4K));
> +
> + igt_describe(igt_edid_stress_resolution_desc);
> + connector_subtest("dp-edid-stress-resolution-non-4k",
> + DisplayPort)
> + edid_stress_resolution(&data, port, DP_EDIDS_NON_4K,
> + ARRAY_SIZE(DP_EDIDS_NON_4K));
> +
> + igt_describe(igt_edid_resolution_list_desc);
> + connector_subtest("dp-edid-resolution-list", DisplayPort)
> + edid_resolution_list(&data, port);
> +
> + igt_describe(test_suspend_resume_edid_change_desc);
> + connector_subtest("dp-edid-change-during-suspend", DisplayPort)
> + test_suspend_resume_edid_change(&data, port,
> + SUSPEND_STATE_MEM,
> + SUSPEND_TEST_NONE,
> + IGT_CUSTOM_EDID_BASE,
> + IGT_CUSTOM_EDID_ALT);
> +
> + igt_describe(test_suspend_resume_edid_change_desc);
> + connector_subtest("dp-edid-change-during-hibernate",
> + DisplayPort)
> + test_suspend_resume_edid_change(&data, port,
> + SUSPEND_STATE_DISK,
> + SUSPEND_TEST_DEVICES,
> + IGT_CUSTOM_EDID_BASE,
> + IGT_CUSTOM_EDID_ALT);
> +
> + igt_describe(test_mode_timings_desc);
> + connector_subtest("dp-mode-timings", DisplayPort)
> + test_mode_timings(&data, port);
> + }
> +
> + igt_describe("HDMI tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_HDMIA,
> + data.port_count, 1);
> + }
> +
> + igt_describe(igt_custom_edid_type_read_desc);
> + connector_subtest("hdmi-edid-read", HDMIA)
> + {
> + igt_custom_edid_type_read(&data, port,
> + IGT_CUSTOM_EDID_BASE);
> + igt_custom_edid_type_read(&data, port,
> + IGT_CUSTOM_EDID_ALT);
> + }
> +
> + igt_describe(igt_edid_stress_resolution_desc);
> + connector_subtest("hdmi-edid-stress-resolution-4k", HDMIA)
> + edid_stress_resolution(&data, port, HDMI_EDIDS_4K,
> + ARRAY_SIZE(HDMI_EDIDS_4K));
> +
> + igt_describe(igt_edid_stress_resolution_desc);
> + connector_subtest("hdmi-edid-stress-resolution-non-4k", HDMIA)
> + edid_stress_resolution(&data, port, HDMI_EDIDS_NON_4K,
> + ARRAY_SIZE(HDMI_EDIDS_NON_4K));
> +
> + igt_describe(test_suspend_resume_edid_change_desc);
> + connector_subtest("hdmi-edid-change-during-suspend", HDMIA)
> + test_suspend_resume_edid_change(&data, port,
> + SUSPEND_STATE_MEM,
> + SUSPEND_TEST_NONE,
> + IGT_CUSTOM_EDID_BASE,
> + IGT_CUSTOM_EDID_ALT);
> +
> + igt_describe(test_suspend_resume_edid_change_desc);
> + connector_subtest("hdmi-edid-change-during-hibernate", HDMIA)
> + test_suspend_resume_edid_change(&data, port,
> + SUSPEND_STATE_DISK,
> + SUSPEND_TEST_DEVICES,
> + IGT_CUSTOM_EDID_BASE,
> + IGT_CUSTOM_EDID_ALT);
> +
> + igt_describe(test_mode_timings_desc);
> + connector_subtest("hdmi-mode-timings", HDMIA)
> + test_mode_timings(&data, port);
> + }
> +
> + igt_describe("VGA tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_VGA,
> + data.port_count, 1);
> + }
> +
> + igt_describe(igt_custom_edid_type_read_desc);
> + connector_subtest("vga-edid-read", VGA)
> + {
> + igt_custom_edid_type_read(&data, port,
> + IGT_CUSTOM_EDID_BASE);
> + igt_custom_edid_type_read(&data, port,
> + IGT_CUSTOM_EDID_ALT);
> + }
> + }
> +
> + igt_fixture {
> + igt_display_fini(&data.display);
> + close(data.drm_fd);
> + }
> +}
> diff --git a/tests/chamelium/kms_chamelium_frames.c b/tests/chamelium/kms_chamelium_frames.c
> new file mode 100644
> index 00000000..008bc34b
> --- /dev/null
> +++ b/tests/chamelium/kms_chamelium_frames.c
> @@ -0,0 +1,1085 @@
> +/*
> + * Copyright © 2016 Red Hat Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> + * IN THE SOFTWARE.
> + *
> + * Authors:
> + * Lyude Paul <lyude at redhat.com>
> + */
> +
> +#include "igt_eld.h"
> +#include "igt_infoframe.h"
> +#include "kms_chamelium_helper.h"
> +
> +#define connector_dynamic_subtest(name__, type__) \
> + igt_subtest_with_dynamic(name__) \
> + for_each_port(p, port) if (chamelium_port_get_type(port) == \
> + DRM_MODE_CONNECTOR_##type__)
> +
> +struct vic_mode {
> + int hactive, vactive;
> + int vrefresh; /* Hz */
> + uint32_t picture_ar;
> +};
> +
> +static int chamelium_vga_modes[][2] = {
> + { 1600, 1200 }, { 1920, 1200 }, { 1920, 1080 }, { 1680, 1050 },
> + { 1280, 1024 }, { 1280, 960 }, { 1440, 900 }, { 1280, 800 },
> + { 1024, 768 }, { 1360, 768 }, { 1280, 720 }, { 800, 600 },
> + { 640, 480 }, { -1, -1 },
> +};
> +
> +/* Maps Video Identification Codes to a mode */
> +static const struct vic_mode vic_modes[] = {
> + [16] = {
> + .hactive = 1920,
> + .vactive = 1080,
> + .vrefresh = 60,
> + .picture_ar = DRM_MODE_PICTURE_ASPECT_16_9,
> + },
> +};
> +
> +/* Maps aspect ratios to their mode flag */
> +static const uint32_t mode_ar_flags[] = {
> + [DRM_MODE_PICTURE_ASPECT_16_9] = DRM_MODE_FLAG_PIC_AR_16_9,
> +};
> +
> +static bool prune_vga_mode(chamelium_data_t *data, drmModeModeInfo *mode)
> +{
> + int i = 0;
> +
> + while (chamelium_vga_modes[i][0] != -1) {
> + if (mode->hdisplay == chamelium_vga_modes[i][0] &&
> + mode->vdisplay == chamelium_vga_modes[i][1])
> + return false;
> +
> + i++;
> + }
> +
> + return true;
> +}
> +
> +static void do_test_display(chamelium_data_t *data, struct chamelium_port *port,
> + igt_output_t *output, drmModeModeInfo *mode,
> + uint32_t fourcc, enum chamelium_check check,
> + int count)
> +{
> + struct chamelium_fb_crc_async_data *fb_crc;
> + struct igt_fb frame_fb, fb;
> + int i, fb_id, captured_frame_count;
> + int frame_id;
> +
> + fb_id = chamelium_get_pattern_fb(data, mode->hdisplay, mode->vdisplay,
> + DRM_FORMAT_XRGB8888, 64, &fb);
> + igt_assert(fb_id > 0);
> +
> + frame_id =
> + igt_fb_convert(&frame_fb, &fb, fourcc, DRM_FORMAT_MOD_LINEAR);
> + igt_assert(frame_id > 0);
> +
> + if (check == CHAMELIUM_CHECK_CRC)
> + fb_crc = chamelium_calculate_fb_crc_async_start(data->drm_fd,
> + &fb);
> +
> + chamelium_enable_output(data, port, output, mode, &frame_fb);
> +
> + if (check == CHAMELIUM_CHECK_CRC) {
> + igt_crc_t *expected_crc;
> + igt_crc_t *crc;
> +
> + /* We want to keep the display running for a little bit, since
> + * there's always the potential the driver isn't able to keep
> + * the display running properly for very long
> + */
> + chamelium_capture(data->chamelium, port, 0, 0, 0, 0, count);
> + crc = chamelium_read_captured_crcs(data->chamelium,
> + &captured_frame_count);
> +
> + igt_assert(captured_frame_count == count);
> +
> + igt_debug("Captured %d frames\n", captured_frame_count);
> +
> + expected_crc = chamelium_calculate_fb_crc_async_finish(fb_crc);
> +
> + for (i = 0; i < captured_frame_count; i++)
> + chamelium_assert_crc_eq_or_dump(
> + data->chamelium, expected_crc, &crc[i], &fb, i);
> +
> + free(expected_crc);
> + free(crc);
> + } else if (check == CHAMELIUM_CHECK_ANALOG ||
> + check == CHAMELIUM_CHECK_CHECKERBOARD) {
> + struct chamelium_frame_dump *dump;
> +
> + igt_assert(count == 1);
> +
> + dump = chamelium_port_dump_pixels(data->chamelium, port, 0, 0,
> + 0, 0);
> +
> + if (check == CHAMELIUM_CHECK_ANALOG)
> + chamelium_crop_analog_frame(dump, mode->hdisplay,
> + mode->vdisplay);
> +
> + chamelium_assert_frame_match_or_dump(data->chamelium, port,
> + dump, &fb, check);
> + chamelium_destroy_frame_dump(dump);
> + }
> +
> + igt_remove_fb(data->drm_fd, &frame_fb);
> + igt_remove_fb(data->drm_fd, &fb);
> +}
> +
> +static enum infoframe_avi_picture_aspect_ratio
> +get_infoframe_avi_picture_ar(uint32_t aspect_ratio)
> +{
> + /* The AVI picture aspect ratio field only supports 4:3 and 16:9 */
> + switch (aspect_ratio) {
> + case DRM_MODE_PICTURE_ASPECT_4_3:
> + return INFOFRAME_AVI_PIC_AR_4_3;
> + case DRM_MODE_PICTURE_ASPECT_16_9:
> + return INFOFRAME_AVI_PIC_AR_16_9;
> + default:
> + return INFOFRAME_AVI_PIC_AR_UNSPECIFIED;
> + }
> +}
> +
> +static bool vic_mode_matches_drm(const struct vic_mode *vic_mode,
> + drmModeModeInfo *drm_mode)
> +{
> + uint32_t ar_flag = mode_ar_flags[vic_mode->picture_ar];
> +
> + return vic_mode->hactive == drm_mode->hdisplay &&
> + vic_mode->vactive == drm_mode->vdisplay &&
> + vic_mode->vrefresh == drm_mode->vrefresh &&
> + ar_flag == (drm_mode->flags & DRM_MODE_FLAG_PIC_AR_MASK);
> +}
> +
> +static void randomize_plane_stride(chamelium_data_t *data, uint32_t width,
> + uint32_t height, uint32_t format,
> + uint64_t modifier, size_t *stride)
> +{
> + size_t stride_min;
> + uint32_t max_tile_w = 4, tile_w, tile_h;
> + int i;
> + struct igt_fb dummy;
> +
> + stride_min = width * igt_format_plane_bpp(format, 0) / 8;
> +
> + /* Randomize the stride to less than twice the minimum. */
> + *stride = (rand() % stride_min) + stride_min;
> +
> + /*
> + * Create a dummy FB to determine bpp for each plane, and calculate
> + * the maximum tile width from that.
> + */
> + igt_create_fb(data->drm_fd, 64, 64, format, modifier, &dummy);
> + for (i = 0; i < dummy.num_planes; i++) {
> + igt_get_fb_tile_size(data->drm_fd, modifier, dummy.plane_bpp[i],
> + &tile_w, &tile_h);
> +
> + if (tile_w > max_tile_w)
> + max_tile_w = tile_w;
> + }
> + igt_remove_fb(data->drm_fd, &dummy);
> +
> + /*
> + * Pixman requires the stride to be aligned to 32-bits, which is
> + * reflected in the initial value of max_tile_w and the hw
> + * may require a multiple of tile width, choose biggest of the 2.
> + */
> + *stride = ALIGN(*stride, max_tile_w);
> +}
> +
> +static void update_tiled_modifier(igt_plane_t *plane, uint32_t width,
> + uint32_t height, uint32_t format,
> + uint64_t *modifier)
> +{
> + if (*modifier == DRM_FORMAT_MOD_BROADCOM_SAND256) {
> + /* Randomize the column height to less than twice the minimum.
> + */
> + size_t column_height = (rand() % height) + height;
> +
> + igt_debug(
> + "Selecting VC4 SAND256 tiling with column height %ld\n",
> + column_height);
> +
> + *modifier = DRM_FORMAT_MOD_BROADCOM_SAND256_COL_HEIGHT(
> + column_height);
> + }
> +}
> +
> +static void randomize_plane_setup(chamelium_data_t *data, igt_plane_t *plane,
> + drmModeModeInfo *mode, uint32_t *width,
> + uint32_t *height, uint32_t *format,
> + uint64_t *modifier, bool allow_yuv)
> +{
> + int min_dim;
> + uint32_t idx[plane->format_mod_count];
> + unsigned int count = 0;
> + unsigned int i;
> +
> + /* First pass to count the supported formats. */
> + for (i = 0; i < plane->format_mod_count; i++)
> + if (igt_fb_supported_format(plane->formats[i]) &&
> + (allow_yuv || !igt_format_is_yuv(plane->formats[i])))
> + idx[count++] = i;
> +
> + igt_assert(count > 0);
> +
> + i = idx[rand() % count];
> + *format = plane->formats[i];
> + *modifier = plane->modifiers[i];
> +
> + update_tiled_modifier(plane, *width, *height, *format, modifier);
> +
> + /*
> + * Randomize width and height in the mode dimensions range.
> + *
> + * Restrict to a min of 2 * min_dim, this way src_w/h are always at
> + * least min_dim, because src_w = width - (rand % w / 2).
> + *
> + * Use a minimum dimension of 16 for YUV, because planar YUV
> + * subsamples the UV plane.
> + */
> + min_dim = igt_format_is_yuv(*format) ? 16 : 8;
> +
> + *width = max((rand() % mode->hdisplay) + 1, 2 * min_dim);
> + *height = max((rand() % mode->vdisplay) + 1, 2 * min_dim);
> +}
> +
> +static void configure_plane(igt_plane_t *plane, uint32_t src_w, uint32_t src_h,
> + uint32_t src_x, uint32_t src_y, uint32_t crtc_w,
> + uint32_t crtc_h, int32_t crtc_x, int32_t crtc_y,
> + struct igt_fb *fb)
> +{
> + igt_plane_set_fb(plane, fb);
> +
> + igt_plane_set_position(plane, crtc_x, crtc_y);
> + igt_plane_set_size(plane, crtc_w, crtc_h);
> +
> + igt_fb_set_position(fb, plane, src_x, src_y);
> + igt_fb_set_size(fb, plane, src_w, src_h);
> +}
> +
> +static void randomize_plane_coordinates(
> + chamelium_data_t *data, igt_plane_t *plane, drmModeModeInfo *mode,
> + struct igt_fb *fb, uint32_t *src_w, uint32_t *src_h, uint32_t *src_x,
> + uint32_t *src_y, uint32_t *crtc_w, uint32_t *crtc_h, int32_t *crtc_x,
> + int32_t *crtc_y, bool allow_scaling)
> +{
> + bool is_yuv = igt_format_is_yuv(fb->drm_format);
> + uint32_t width = fb->width, height = fb->height;
> + double ratio;
> + int ret;
> +
> + /* Randomize source offset in the first half of the original size. */
> + *src_x = rand() % (width / 2);
> + *src_y = rand() % (height / 2);
> +
> + /* The source size only includes the active source area. */
> + *src_w = width - *src_x;
> + *src_h = height - *src_y;
> +
> + if (allow_scaling) {
> + *crtc_w = (rand() % mode->hdisplay) + 1;
> + *crtc_h = (rand() % mode->vdisplay) + 1;
> +
> + /*
> + * Don't bother with scaling if dimensions are quite close in
> + * order to get non-scaling cases more frequently. Also limit
> + * scaling to 3x to avoid aggressive filtering that makes
> + * comparison less reliable, and don't go above 2x downsampling
> + * to avoid possible hw limitations.
> + */
> +
> + ratio = ((double)*crtc_w / *src_w);
> + if (ratio < 0.5)
> + *src_w = *crtc_w * 2;
> + else if (ratio > 0.8 && ratio < 1.2)
> + *crtc_w = *src_w;
> + else if (ratio > 3.0)
> + *crtc_w = *src_w * 3;
> +
> + ratio = ((double)*crtc_h / *src_h);
> + if (ratio < 0.5)
> + *src_h = *crtc_h * 2;
> + else if (ratio > 0.8 && ratio < 1.2)
> + *crtc_h = *src_h;
> + else if (ratio > 3.0)
> + *crtc_h = *src_h * 3;
> + } else {
> + *crtc_w = *src_w;
> + *crtc_h = *src_h;
> + }
> +
> + if (*crtc_w != *src_w || *crtc_h != *src_h) {
> + /*
> + * When scaling is involved, make sure to not go off-bounds or
> + * scaled clipping may result in decimal dimensions, that most
> + * drivers don't support.
> + */
> + if (*crtc_w < mode->hdisplay)
> + *crtc_x = rand() % (mode->hdisplay - *crtc_w);
> + else
> + *crtc_x = 0;
> +
> + if (*crtc_h < mode->vdisplay)
> + *crtc_y = rand() % (mode->vdisplay - *crtc_h);
> + else
> + *crtc_y = 0;
> + } else {
> + /*
> + * Randomize the on-crtc position and allow the plane to go
> + * off-display by less than half of its on-crtc dimensions.
> + */
> + *crtc_x = (rand() % mode->hdisplay) - *crtc_w / 2;
> + *crtc_y = (rand() % mode->vdisplay) - *crtc_h / 2;
> + }
> +
> + configure_plane(plane, *src_w, *src_h, *src_x, *src_y, *crtc_w, *crtc_h,
> + *crtc_x, *crtc_y, fb);
> + ret = igt_display_try_commit_atomic(
> + &data->display,
> + DRM_MODE_ATOMIC_TEST_ONLY | DRM_MODE_ATOMIC_ALLOW_MODESET,
> + NULL);
> + if (!ret)
> + return;
> +
> + /* Coordinates are logged in the dumped debug log, so only report w/h on
> + * failure here. */
> + igt_assert_f(ret != -ENOSPC,
> + "Failure in testcase, invalid coordinates on a %ux%u fb\n",
> + width, height);
> +
> + /* Make YUV coordinates a multiple of 2 and retry the math. */
> + if (is_yuv) {
> + *src_x &= ~1;
> + *src_y &= ~1;
> + *src_w &= ~1;
> + *src_h &= ~1;
> + /* To handle 1:1 scaling, clear crtc_w/h too. */
> + *crtc_w &= ~1;
> + *crtc_h &= ~1;
> +
> + if (*crtc_x < 0 && (*crtc_x & 1))
> + (*crtc_x)++;
> + else
> + *crtc_x &= ~1;
> +
> + /* If negative, round up to 0 instead of down */
> + if (*crtc_y < 0 && (*crtc_y & 1))
> + (*crtc_y)++;
> + else
> + *crtc_y &= ~1;
> +
> + configure_plane(plane, *src_w, *src_h, *src_x, *src_y, *crtc_w,
> + *crtc_h, *crtc_x, *crtc_y, fb);
> + ret = igt_display_try_commit_atomic(
> + &data->display,
> + DRM_MODE_ATOMIC_TEST_ONLY |
> + DRM_MODE_ATOMIC_ALLOW_MODESET,
> + NULL);
> + if (!ret)
> + return;
> + }
> +
> + igt_assert(!ret || allow_scaling);
> + igt_info("Scaling ratio %g / %g failed, trying without scaling.\n",
> + ((double)*crtc_w / *src_w), ((double)*crtc_h / *src_h));
> +
> + *crtc_w = *src_w;
> + *crtc_h = *src_h;
> +
> + configure_plane(plane, *src_w, *src_h, *src_x, *src_y, *crtc_w, *crtc_h,
> + *crtc_x, *crtc_y, fb);
> + igt_display_commit_atomic(&data->display,
> + DRM_MODE_ATOMIC_TEST_ONLY |
> + DRM_MODE_ATOMIC_ALLOW_MODESET,
> + NULL);
> +}
> +
> +static void blit_plane_cairo(chamelium_data_t *data, cairo_surface_t *result,
> + uint32_t src_w, uint32_t src_h, uint32_t src_x,
> + uint32_t src_y, uint32_t crtc_w, uint32_t crtc_h,
> + int32_t crtc_x, int32_t crtc_y, struct igt_fb *fb)
> +{
> + cairo_surface_t *surface;
> + cairo_surface_t *clipped_surface;
> + cairo_t *cr;
> +
> + surface = igt_get_cairo_surface(data->drm_fd, fb);
> +
> + if (src_x || src_y) {
> + clipped_surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
> + src_w, src_h);
> +
> + cr = cairo_create(clipped_surface);
> +
> + cairo_translate(cr, -1. * src_x, -1. * src_y);
> +
> + cairo_set_source_surface(cr, surface, 0, 0);
> +
> + cairo_paint(cr);
> + cairo_surface_flush(clipped_surface);
> +
> + cairo_destroy(cr);
> + } else {
> + clipped_surface = surface;
> + }
> +
> + cr = cairo_create(result);
> +
> + cairo_translate(cr, crtc_x, crtc_y);
> +
> + if (src_w != crtc_w || src_h != crtc_h) {
> + cairo_scale(cr, (double)crtc_w / src_w, (double)crtc_h / src_h);
> + }
> +
> + cairo_set_source_surface(cr, clipped_surface, 0, 0);
> + cairo_surface_destroy(clipped_surface);
> +
> + if (src_w != crtc_w || src_h != crtc_h) {
> + cairo_pattern_set_filter(cairo_get_source(cr),
> + CAIRO_FILTER_BILINEAR);
> + cairo_pattern_set_extend(cairo_get_source(cr),
> + CAIRO_EXTEND_NONE);
> + }
> +
> + cairo_paint(cr);
> + cairo_surface_flush(result);
> +
> + cairo_destroy(cr);
> +}
> +
> +static void prepare_randomized_plane(chamelium_data_t *data,
> + drmModeModeInfo *mode, igt_plane_t *plane,
> + struct igt_fb *overlay_fb,
> + unsigned int index,
> + cairo_surface_t *result_surface,
> + bool allow_scaling, bool allow_yuv)
> +{
> + struct igt_fb pattern_fb;
> + uint32_t overlay_fb_w, overlay_fb_h;
> + uint32_t overlay_src_w, overlay_src_h;
> + uint32_t overlay_src_x, overlay_src_y;
> + int32_t overlay_crtc_x, overlay_crtc_y;
> + uint32_t overlay_crtc_w, overlay_crtc_h;
> + uint32_t format;
> + uint64_t modifier;
> + size_t stride;
> + bool tiled;
> + int fb_id;
> +
> + randomize_plane_setup(data, plane, mode, &overlay_fb_w, &overlay_fb_h,
> + &format, &modifier, allow_yuv);
> +
> + tiled = (modifier != DRM_FORMAT_MOD_LINEAR);
> + igt_debug("Plane %d: framebuffer size %dx%d %s format (%s)\n", index,
> + overlay_fb_w, overlay_fb_h, igt_format_str(format),
> + tiled ? "tiled" : "linear");
> +
> + /* Get a pattern framebuffer for the overlay plane. */
> + fb_id = chamelium_get_pattern_fb(data, overlay_fb_w, overlay_fb_h,
> + DRM_FORMAT_XRGB8888, 32, &pattern_fb);
> + igt_assert(fb_id > 0);
> +
> + randomize_plane_stride(data, overlay_fb_w, overlay_fb_h, format,
> + modifier, &stride);
> +
> + igt_debug("Plane %d: stride %ld\n", index, stride);
> +
> + fb_id = igt_fb_convert_with_stride(overlay_fb, &pattern_fb, format,
> + modifier, stride);
> + igt_assert(fb_id > 0);
> +
> + randomize_plane_coordinates(data, plane, mode, overlay_fb,
> + &overlay_src_w, &overlay_src_h,
> + &overlay_src_x, &overlay_src_y,
> + &overlay_crtc_w, &overlay_crtc_h,
> + &overlay_crtc_x, &overlay_crtc_y,
> + allow_scaling);
> +
> + igt_debug("Plane %d: in-framebuffer size %dx%d\n", index, overlay_src_w,
> + overlay_src_h);
> + igt_debug("Plane %d: in-framebuffer position %dx%d\n", index,
> + overlay_src_x, overlay_src_y);
> + igt_debug("Plane %d: on-crtc size %dx%d\n", index, overlay_crtc_w,
> + overlay_crtc_h);
> + igt_debug("Plane %d: on-crtc position %dx%d\n", index, overlay_crtc_x,
> + overlay_crtc_y);
> +
> + blit_plane_cairo(data, result_surface, overlay_src_w, overlay_src_h,
> + overlay_src_x, overlay_src_y, overlay_crtc_w,
> + overlay_crtc_h, overlay_crtc_x, overlay_crtc_y,
> + &pattern_fb);
> +
> + /* Remove the original pattern framebuffer. */
> + igt_remove_fb(data->drm_fd, &pattern_fb);
> +}
> +
> +static const char test_display_one_mode_desc[] =
> + "Pick the first mode of the IGT base EDID, display and capture a few "
> + "frames, then check captured frames are correct";
> +static void test_display_one_mode(chamelium_data_t *data,
> + struct chamelium_port *port, uint32_t fourcc,
> + enum chamelium_check check, int count)
> +{
> + drmModeConnector *connector;
> + drmModeModeInfo *mode;
> + igt_output_t *output;
> + igt_plane_t *primary;
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + output = chamelium_prepare_output(data, port, IGT_CUSTOM_EDID_BASE);
> + connector = chamelium_port_get_connector(data->chamelium, port, false);
> + primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> +
> + igt_require(igt_plane_has_format_mod(primary, fourcc,
> + DRM_FORMAT_MOD_LINEAR));
> +
> + mode = &connector->modes[0];
> + if (check == CHAMELIUM_CHECK_ANALOG) {
> + bool bridge = chamelium_check_analog_bridge(data, port);
> +
> + igt_assert(!(bridge && prune_vga_mode(data, mode)));
> + }
> +
> + do_test_display(data, port, output, mode, fourcc, check, count);
> +
> + drmModeFreeConnector(connector);
> +}
> +
> +static const char test_display_all_modes_desc[] =
> + "For each mode of the IGT base EDID, display and capture a few "
> + "frames, then check captured frames are correct";
> +static void test_display_all_modes(chamelium_data_t *data,
> + struct chamelium_port *port, uint32_t fourcc,
> + enum chamelium_check check, int count)
> +{
> + bool bridge;
> + int i, count_modes;
> +
> + if (check == CHAMELIUM_CHECK_ANALOG)
> + bridge = chamelium_check_analog_bridge(data, port);
> +
> + i = 0;
> + do {
> + igt_output_t *output;
> + igt_plane_t *primary;
> + drmModeConnector *connector;
> + drmModeModeInfo *mode;
> +
> + /*
> + * let's reset state each mode so we will get the
> + * HPD pulses realibably
> + */
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + /*
> + * modes may change due to mode pruining and link issues, so we
> + * need to refresh the connector
> + */
> + output = chamelium_prepare_output(data, port,
> + IGT_CUSTOM_EDID_BASE);
> + connector = chamelium_port_get_connector(data->chamelium, port,
> + false);
> + primary = igt_output_get_plane_type(output,
> + DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> + igt_require(igt_plane_has_format_mod(primary, fourcc,
> + DRM_FORMAT_MOD_LINEAR));
> +
> + /* we may skip some modes due to above but that's ok */
> + count_modes = connector->count_modes;
> + if (i >= count_modes)
> + break;
> +
> + mode = &connector->modes[i];
> +
> + if (check == CHAMELIUM_CHECK_ANALOG && bridge &&
> + prune_vga_mode(data, mode))
> + continue;
> +
> + do_test_display(data, port, output, mode, fourcc, check, count);
> + drmModeFreeConnector(connector);
> + } while (++i < count_modes);
> +}
> +
> +static const char test_display_frame_dump_desc[] =
> + "For each mode of the IGT base EDID, display and capture a few "
> + "frames, then download the captured frames and compare them "
> + "bit-by-bit to the sent ones";
> +static void test_display_frame_dump(chamelium_data_t *data,
> + struct chamelium_port *port)
> +{
> + int i, count_modes;
> +
> + i = 0;
> + do {
> + igt_output_t *output;
> + igt_plane_t *primary;
> + struct igt_fb fb;
> + struct chamelium_frame_dump *frame;
> + drmModeModeInfo *mode;
> + drmModeConnector *connector;
> + int fb_id, j;
> +
> + /*
> + * let's reset state each mode so we will get the
> + * HPD pulses realibably
> + */
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + /*
> + * modes may change due to mode pruining and link issues, so we
> + * need to refresh the connector
> + */
> + output = chamelium_prepare_output(data, port,
> + IGT_CUSTOM_EDID_BASE);
> + connector = chamelium_port_get_connector(data->chamelium, port,
> + false);
> + primary = igt_output_get_plane_type(output,
> + DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> +
> + /* we may skip some modes due to above but that's ok */
> + count_modes = connector->count_modes;
> + if (i >= count_modes)
> + break;
> +
> + mode = &connector->modes[i];
> +
> + fb_id = igt_create_color_pattern_fb(
> + data->drm_fd, mode->hdisplay, mode->vdisplay,
> + DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_LINEAR, 0, 0, 0,
> + &fb);
> + igt_assert(fb_id > 0);
> +
> + chamelium_enable_output(data, port, output, mode, &fb);
> +
> + igt_debug("Reading frame dumps from Chamelium...\n");
> + chamelium_capture(data->chamelium, port, 0, 0, 0, 0, 5);
> + for (j = 0; j < 5; j++) {
> + frame = chamelium_read_captured_frame(data->chamelium,
> + j);
> + chamelium_assert_frame_eq(data->chamelium, frame, &fb);
> + chamelium_destroy_frame_dump(frame);
> + }
> +
> + igt_remove_fb(data->drm_fd, &fb);
> + drmModeFreeConnector(connector);
> + } while (++i < count_modes);
> +}
> +
> +static const char test_display_aspect_ratio_desc[] =
> + "Pick a mode with a picture aspect-ratio, capture AVI InfoFrames and "
> + "check they include the relevant fields";
> +static void test_display_aspect_ratio(chamelium_data_t *data,
> + struct chamelium_port *port)
> +{
> + igt_output_t *output;
> + igt_plane_t *primary;
> + drmModeConnector *connector;
> + drmModeModeInfo *mode;
> + int fb_id, i;
> + struct igt_fb fb;
> + bool found, ok;
> + struct chamelium_infoframe *infoframe;
> + struct infoframe_avi infoframe_avi;
> + uint8_t vic = 16; /* TODO: test more VICs */
> + const struct vic_mode *vic_mode;
> + uint32_t aspect_ratio;
> + enum infoframe_avi_picture_aspect_ratio frame_ar;
> +
> + igt_require(chamelium_supports_get_last_infoframe(data->chamelium));
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + output = chamelium_prepare_output(data, port,
> + IGT_CUSTOM_EDID_ASPECT_RATIO);
> + connector = chamelium_port_get_connector(data->chamelium, port, false);
> + primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> +
> + vic_mode = &vic_modes[vic];
> + aspect_ratio = vic_mode->picture_ar;
> +
> + found = false;
> + igt_assert(connector->count_modes > 0);
> + for (i = 0; i < connector->count_modes; i++) {
> + mode = &connector->modes[i];
> +
> + if (vic_mode_matches_drm(vic_mode, mode)) {
> + found = true;
> + break;
> + }
> + }
> + igt_assert_f(found,
> + "Failed to find mode with the correct aspect ratio\n");
> +
> + fb_id = igt_create_color_pattern_fb(data->drm_fd, mode->hdisplay,
> + mode->vdisplay, DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_MOD_LINEAR, 0, 0, 0,
> + &fb);
> + igt_assert(fb_id > 0);
> +
> + chamelium_enable_output(data, port, output, mode, &fb);
> +
> + infoframe = chamelium_get_last_infoframe(data->chamelium, port,
> + CHAMELIUM_INFOFRAME_AVI);
> + igt_assert_f(infoframe, "AVI InfoFrame not received\n");
> +
> + ok = infoframe_avi_parse(&infoframe_avi, infoframe->version,
> + infoframe->payload, infoframe->payload_size);
> + igt_assert_f(ok, "Failed to parse AVI InfoFrame\n");
> +
> + frame_ar = get_infoframe_avi_picture_ar(aspect_ratio);
> +
> + igt_debug("Checking AVI InfoFrame\n");
> + igt_debug("Picture aspect ratio: got %d, expected %d\n",
> + infoframe_avi.picture_aspect_ratio, frame_ar);
> + igt_debug("Video Identification Code (VIC): got %d, expected %d\n",
> + infoframe_avi.vic, vic);
> +
> + igt_assert(infoframe_avi.picture_aspect_ratio == frame_ar);
> + igt_assert(infoframe_avi.vic == vic);
> +
> + chamelium_infoframe_destroy(infoframe);
> + igt_remove_fb(data->drm_fd, &fb);
> + drmModeFreeConnector(connector);
> +}
> +
> +static const char test_display_planes_random_desc[] =
> + "Setup a few overlay planes with random parameters, capture the frame "
> + "and check it matches the expected output";
> +static void test_display_planes_random(chamelium_data_t *data,
> + struct chamelium_port *port,
> + enum chamelium_check check)
> +{
> + igt_output_t *output;
> + drmModeModeInfo *mode;
> + igt_plane_t *primary_plane;
> + struct igt_fb primary_fb;
> + struct igt_fb result_fb;
> + struct igt_fb *overlay_fbs;
> + igt_crc_t *crc;
> + igt_crc_t *expected_crc;
> + struct chamelium_fb_crc_async_data *fb_crc;
> + unsigned int overlay_planes_max = 0;
> + unsigned int overlay_planes_count;
> + cairo_surface_t *result_surface;
> + int captured_frame_count;
> + bool allow_scaling;
> + bool allow_yuv;
> + unsigned int i;
> + unsigned int fb_id;
> +
> + switch (check) {
> + case CHAMELIUM_CHECK_CRC:
> + allow_scaling = false;
> + allow_yuv = false;
> + break;
> + case CHAMELIUM_CHECK_CHECKERBOARD:
> + allow_scaling = true;
> + allow_yuv = true;
> + break;
> + default:
> + igt_assert(false);
> + }
> +
> + srand(time(NULL));
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + /* Find the connector and pipe. */
> + output = chamelium_prepare_output(data, port, IGT_CUSTOM_EDID_BASE);
> +
> + mode = igt_output_get_mode(output);
> +
> + /* Get a framebuffer for the primary plane. */
> + primary_plane =
> + igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary_plane);
> +
> + fb_id = chamelium_get_pattern_fb(data, mode->hdisplay, mode->vdisplay,
> + DRM_FORMAT_XRGB8888, 64, &primary_fb);
> + igt_assert(fb_id > 0);
> +
> + /* Get a framebuffer for the cairo composition result. */
> + fb_id = igt_create_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
> + DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_LINEAR,
> + &result_fb);
> + igt_assert(fb_id > 0);
> +
> + result_surface = igt_get_cairo_surface(data->drm_fd, &result_fb);
> +
> + /* Paint the primary framebuffer on the result surface. */
> + blit_plane_cairo(data, result_surface, 0, 0, 0, 0, 0, 0, 0, 0,
> + &primary_fb);
> +
> + /* Configure the primary plane. */
> + igt_plane_set_fb(primary_plane, &primary_fb);
> +
> + overlay_planes_max =
> + igt_output_count_plane_type(output, DRM_PLANE_TYPE_OVERLAY);
> +
> + /* Limit the number of planes to a reasonable scene. */
> + overlay_planes_max = min(overlay_planes_max, 4u);
> +
> + overlay_planes_count = (rand() % overlay_planes_max) + 1;
> + igt_debug("Using %d overlay planes\n", overlay_planes_count);
> +
> + overlay_fbs = calloc(sizeof(struct igt_fb), overlay_planes_count);
> +
> + for (i = 0; i < overlay_planes_count; i++) {
> + struct igt_fb *overlay_fb = &overlay_fbs[i];
> + igt_plane_t *plane = igt_output_get_plane_type_index(
> + output, DRM_PLANE_TYPE_OVERLAY, i);
> + igt_assert(plane);
> +
> + prepare_randomized_plane(data, mode, plane, overlay_fb, i,
> + result_surface, allow_scaling,
> + allow_yuv);
> + }
> +
> + cairo_surface_destroy(result_surface);
> +
> + if (check == CHAMELIUM_CHECK_CRC)
> + fb_crc = chamelium_calculate_fb_crc_async_start(data->drm_fd,
> + &result_fb);
> +
> + igt_display_commit2(&data->display, COMMIT_ATOMIC);
> +
> + if (check == CHAMELIUM_CHECK_CRC) {
> + chamelium_capture(data->chamelium, port, 0, 0, 0, 0, 1);
> + crc = chamelium_read_captured_crcs(data->chamelium,
> + &captured_frame_count);
> +
> + igt_assert(captured_frame_count == 1);
> +
> + expected_crc = chamelium_calculate_fb_crc_async_finish(fb_crc);
> +
> + chamelium_assert_crc_eq_or_dump(data->chamelium, expected_crc,
> + crc, &result_fb, 0);
> +
> + free(expected_crc);
> + free(crc);
> + } else if (check == CHAMELIUM_CHECK_CHECKERBOARD) {
> + struct chamelium_frame_dump *dump;
> +
> + dump = chamelium_port_dump_pixels(data->chamelium, port, 0, 0,
> + 0, 0);
> + chamelium_assert_frame_match_or_dump(data->chamelium, port,
> + dump, &result_fb, check);
> + chamelium_destroy_frame_dump(dump);
> + }
> +
> + for (i = 0; i < overlay_planes_count; i++)
> + igt_remove_fb(data->drm_fd, &overlay_fbs[i]);
> +
> + free(overlay_fbs);
> +
> + igt_remove_fb(data->drm_fd, &primary_fb);
> + igt_remove_fb(data->drm_fd, &result_fb);
> +}
> +
> +IGT_TEST_DESCRIPTION("Tests requiring a Chamelium board");
> +igt_main
> +{
> + chamelium_data_t data;
> + struct chamelium_port *port;
> + int p;
> +
> + igt_fixture {
> + chamelium_init_test(&data);
> + }
> +
> + igt_describe("DisplayPort tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_DisplayPort,
> + data.port_count, 1);
> + }
> +
> + igt_describe(test_display_all_modes_desc);
> + connector_subtest("dp-crc-single", DisplayPort)
> + test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> + CHAMELIUM_CHECK_CRC, 1);
> +
> + igt_describe(test_display_one_mode_desc);
> + connector_subtest("dp-crc-fast", DisplayPort)
> + test_display_one_mode(&data, port, DRM_FORMAT_XRGB8888,
> + CHAMELIUM_CHECK_CRC, 1);
> +
> + igt_describe(test_display_all_modes_desc);
> + connector_subtest("dp-crc-multiple", DisplayPort)
> + test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> + CHAMELIUM_CHECK_CRC, 3);
> +
> + igt_describe(test_display_frame_dump_desc);
> + connector_subtest("dp-frame-dump", DisplayPort)
> + test_display_frame_dump(&data, port);
> + }
> +
> + igt_describe("HDMI tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_HDMIA,
> + data.port_count, 1);
> + }
> +
> + igt_describe(test_display_all_modes_desc);
> + connector_subtest("hdmi-crc-single", HDMIA)
> + test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> + CHAMELIUM_CHECK_CRC, 1);
> +
> + igt_describe(test_display_one_mode_desc);
> + connector_subtest("hdmi-crc-fast", HDMIA)
> + test_display_one_mode(&data, port, DRM_FORMAT_XRGB8888,
> + CHAMELIUM_CHECK_CRC, 1);
> +
> + igt_describe(test_display_all_modes_desc);
> + connector_subtest("hdmi-crc-multiple", HDMIA)
> + test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> + CHAMELIUM_CHECK_CRC, 3);
> +
> + igt_describe(test_display_one_mode_desc);
> + connector_dynamic_subtest("hdmi-crc-nonplanar-formats", HDMIA)
> + {
> + int k;
> + igt_output_t *output;
> + igt_plane_t *primary;
> +
> + output = chamelium_prepare_output(&data, port,
> + IGT_CUSTOM_EDID_BASE);
> + primary = igt_output_get_plane_type(
> + output, DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> +
> + for (k = 0; k < primary->format_mod_count; k++) {
> + if (!igt_fb_supported_format(
> + primary->formats[k]))
> + continue;
> +
> + if (igt_format_is_yuv(primary->formats[k]))
> + continue;
> +
> + if (primary->modifiers[k] !=
> + DRM_FORMAT_MOD_LINEAR)
> + continue;
> +
> + igt_dynamic_f(
> + "%s",
> + igt_format_str(primary->formats[k]))
> + test_display_one_mode(
> + &data, port,
> + primary->formats[k],
> + CHAMELIUM_CHECK_CRC, 1);
> + }
> + }
> +
> + igt_describe(test_display_planes_random_desc);
> + connector_subtest("hdmi-crc-planes-random", HDMIA)
> + test_display_planes_random(&data, port,
> + CHAMELIUM_CHECK_CRC);
> +
> + igt_describe(test_display_one_mode_desc);
> + connector_dynamic_subtest("hdmi-cmp-planar-formats", HDMIA)
> + {
> + int k;
> + igt_output_t *output;
> + igt_plane_t *primary;
> +
> + output = chamelium_prepare_output(&data, port,
> + IGT_CUSTOM_EDID_BASE);
> + primary = igt_output_get_plane_type(
> + output, DRM_PLANE_TYPE_PRIMARY);
> + igt_assert(primary);
> +
> + for (k = 0; k < primary->format_mod_count; k++) {
> + if (!igt_fb_supported_format(
> + primary->formats[k]))
> + continue;
> +
> + if (!igt_format_is_yuv(primary->formats[k]))
> + continue;
> +
> + if (primary->modifiers[k] !=
> + DRM_FORMAT_MOD_LINEAR)
> + continue;
> +
> + igt_dynamic_f(
> + "%s",
> + igt_format_str(primary->formats[k]))
> + test_display_one_mode(
> + &data, port,
> + primary->formats[k],
> + CHAMELIUM_CHECK_CHECKERBOARD,
> + 1);
> + }
> + }
> +
> + igt_describe(test_display_planes_random_desc);
> + connector_subtest("hdmi-cmp-planes-random", HDMIA)
> + test_display_planes_random(
> + &data, port, CHAMELIUM_CHECK_CHECKERBOARD);
> +
> + igt_describe(test_display_frame_dump_desc);
> + connector_subtest("hdmi-frame-dump", HDMIA)
> + test_display_frame_dump(&data, port);
> +
> + igt_describe(test_display_aspect_ratio_desc);
> + connector_subtest("hdmi-aspect-ratio", HDMIA)
> + test_display_aspect_ratio(&data, port);
> + }
> +
> + igt_describe("VGA tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_VGA,
> + data.port_count, 1);
> + }
> +
> + igt_describe(test_display_all_modes_desc);
> + connector_subtest("vga-frame-dump", VGA)
> + test_display_all_modes(&data, port, DRM_FORMAT_XRGB8888,
> + CHAMELIUM_CHECK_ANALOG, 1);
> + }
> +
> + igt_fixture {
> + igt_display_fini(&data.display);
> + close(data.drm_fd);
> + }
> +}
> diff --git a/tests/chamelium/kms_chamelium_helper.c b/tests/chamelium/kms_chamelium_helper.c
> new file mode 100644
> index 00000000..b9544288
> --- /dev/null
> +++ b/tests/chamelium/kms_chamelium_helper.c
> @@ -0,0 +1,330 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * A helper library for all Chamelium tests.
> + *
> + * Copyright 2022 Google LLC.
> + *
> + * Authors: Mark Yacoub <markyacoub at chromium.org>
> + */
> +
> +#include "igt_edid.h"
> +#include "kms_chamelium_helper.h"
> +
> +void chamelium_init_test(chamelium_data_t *data)
> +{
> + int i;
> +
> + /* So fbcon doesn't try to reprobe things itself */
> + kmstest_set_vt_graphics_mode();
> +
> + data->drm_fd = drm_open_driver_master(DRIVER_ANY);
> + igt_display_require(&data->display, data->drm_fd);
> + igt_require(data->display.is_atomic);
> +
> + /*
> + * XXX: disabling modeset, can be removed when
> + * igt_display_require will start doing this for us
> + */
> + igt_display_commit2(&data->display, COMMIT_ATOMIC);
> +
> + /* we need to initalize chamelium after igt_display_require */
> + data->chamelium = chamelium_init(data->drm_fd, &data->display);
> + igt_require(data->chamelium);
> +
> + data->ports = chamelium_get_ports(data->chamelium, &data->port_count);
> +
> + for (i = 0; i < IGT_CUSTOM_EDID_COUNT; ++i) {
> + data->edids[i] = chamelium_new_edid(data->chamelium,
> + igt_kms_get_custom_edid(i));
> + }
> +}
> +
> +/* Wait for hotplug and return the remaining time left from timeout */
> +bool chamelium_wait_for_hotplug(struct udev_monitor *mon, int *timeout)
> +{
> + struct timespec start, end;
> + int elapsed;
> + bool detected;
> +
> + igt_assert_eq(igt_gettime(&start), 0);
> + detected = igt_hotplug_detected(mon, *timeout);
> + igt_assert_eq(igt_gettime(&end), 0);
> +
> + elapsed = igt_time_elapsed(&start, &end);
> + igt_assert_lte(0, elapsed);
> + *timeout = max(0, *timeout - elapsed);
> +
> + return detected;
> +}
> +
> +/**
> + * chamelium_wait_for_connector_after_hotplug:
> + *
> + * Waits for the connector attached to @port to have a status of @status after
> + * it's plugged/unplugged.
> + *
> + */
> +void chamelium_wait_for_connector_after_hotplug(chamelium_data_t *data,
> + struct udev_monitor *mon,
> + struct chamelium_port *port,
> + drmModeConnection status)
> +{
> + int timeout = CHAMELIUM_HOTPLUG_TIMEOUT;
> + int hotplug_count = 0;
> +
> + igt_debug("Waiting for %s to get %s after a hotplug event...\n",
> + chamelium_port_get_name(port),
> + kmstest_connector_status_str(status));
> +
> + while (timeout > 0) {
> + if (!chamelium_wait_for_hotplug(mon, &timeout))
> + break;
> +
> + hotplug_count++;
> +
> + if (chamelium_reprobe_connector(&data->display, data->chamelium,
> + port) == status)
> + return;
> + }
> +
> + igt_assert_f(
> + false,
> + "Timed out waiting for %s to get %s after a hotplug. Current state %s hotplug_count %d\n",
> + chamelium_port_get_name(port),
> + kmstest_connector_status_str(status),
> + kmstest_connector_status_str(chamelium_reprobe_connector(
> + &data->display, data->chamelium, port)),
> + hotplug_count);
> +}
> +
> +/**
> + * chamelium_port_get_connector:
> + * @data: The Chamelium data instance to use
> + * @port: The chamelium port to prepare its connector
> + * @edid: The chamelium's default EDID has a lot of resolutions, way more then
> + * we need to test. Additionally the default EDID doesn't support
> + * HDMI audio.
> + *
> + * Makes sure the output display of the connector attached to @port is connected
> + * and ready for use.
> + *
> + * Returns: a pointer to the enabled igt_output_t
> + */
> +igt_output_t *chamelium_prepare_output(chamelium_data_t *data,
> + struct chamelium_port *port,
> + enum igt_custom_edid_type edid)
> +{
> + igt_display_t *display = &data->display;
> + igt_output_t *output;
> + enum pipe pipe;
> +
> + /* The chamelium's default EDID has a lot of resolutions, way more then
> + * we need to test. Additionally the default EDID doesn't support HDMI
> + * audio.
> + */
> + chamelium_set_edid(data, port, edid);
> +
> + chamelium_plug(data->chamelium, port);
> + chamelium_wait_for_conn_status_change(&data->display, data->chamelium,
> + port, DRM_MODE_CONNECTED);
> +
> + igt_display_reset(display);
> +
> + output = chamelium_get_output_for_port(data, port);
> +
> + /* Refresh pipe to update connected status */
> + igt_output_set_pipe(output, PIPE_NONE);
> +
> + pipe = chamelium_get_pipe_for_output(display, output);
> + igt_output_set_pipe(output, pipe);
> +
> + return output;
> +}
> +
> +/**
> + * chamelium_enable_output:
> + *
> + * Modesets the connector attached to @port for the assigned @mode and draws the
> + * @fb.
> + *
> + */
> +void chamelium_enable_output(chamelium_data_t *data,
> + struct chamelium_port *port, igt_output_t *output,
> + drmModeModeInfo *mode, struct igt_fb *fb)
> +{
> + igt_display_t *display = output->display;
> + igt_plane_t *primary =
> + igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> + drmModeConnector *connector =
> + chamelium_port_get_connector(data->chamelium, port, false);
> +
> + igt_assert(primary);
> +
> + igt_plane_set_size(primary, mode->hdisplay, mode->vdisplay);
> + igt_plane_set_fb(primary, fb);
> + igt_output_override_mode(output, mode);
> +
> + /* Clear any color correction values that might be enabled */
> + if (igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_DEGAMMA_LUT))
> + igt_pipe_obj_replace_prop_blob(primary->pipe,
> + IGT_CRTC_DEGAMMA_LUT, NULL, 0);
> + if (igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_GAMMA_LUT))
> + igt_pipe_obj_replace_prop_blob(primary->pipe,
> + IGT_CRTC_GAMMA_LUT, NULL, 0);
> + if (igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_CTM))
> + igt_pipe_obj_replace_prop_blob(primary->pipe, IGT_CRTC_CTM,
> + NULL, 0);
> +
> + igt_display_commit2(display, COMMIT_ATOMIC);
> +
> + if (chamelium_port_get_type(port) == DRM_MODE_CONNECTOR_VGA)
> + usleep(250000);
> +
> + drmModeFreeConnector(connector);
> +}
> +
> +/* Return pipe attached to @outpu.t */
> +enum pipe chamelium_get_pipe_for_output(igt_display_t *display,
> + igt_output_t *output)
> +{
> + enum pipe pipe;
> +
> + for_each_pipe(display, pipe) {
> + if (igt_pipe_connector_valid(pipe, output)) {
> + return pipe;
> + }
> + }
> +
> + igt_assert_f(false, "No pipe found for output %s\n",
> + igt_output_name(output));
> +}
> +
> +static void chamelium_paint_xr24_pattern(uint32_t *data, size_t width,
> + size_t height, size_t stride,
> + size_t block_size)
> +{
> + uint32_t colors[] = { 0xff000000, 0xffff0000, 0xff00ff00, 0xff0000ff,
> + 0xffffffff };
> + unsigned i, j;
> +
> + for (i = 0; i < height; i++)
> + for (j = 0; j < width; j++)
> + *(data + i * stride / 4 +
> + j) = colors[((j / block_size) + (i / block_size)) % 5];
> +}
> +
> +/**
> + * chamelium_get_pattern_fb:
> + *
> + * Creates an @fb with an xr24 pattern and returns the fb_id.
> + *
> + */
> +int chamelium_get_pattern_fb(chamelium_data_t *data, size_t width,
> + size_t height, uint32_t fourcc, size_t block_size,
> + struct igt_fb *fb)
> +{
> + int fb_id;
> + void *ptr;
> +
> + igt_assert(fourcc == DRM_FORMAT_XRGB8888);
> +
> + fb_id = igt_create_fb(data->drm_fd, width, height, fourcc,
> + DRM_FORMAT_MOD_LINEAR, fb);
> + igt_assert(fb_id > 0);
> +
> + ptr = igt_fb_map_buffer(fb->fd, fb);
> + igt_assert(ptr);
> +
> + chamelium_paint_xr24_pattern(ptr, width, height, fb->strides[0],
> + block_size);
> + igt_fb_unmap_buffer(fb, ptr);
> +
> + return fb_id;
> +}
> +
> +/* Generate a simple @fb for the size of @mode. */
> +void chamelium_create_fb_for_mode(chamelium_data_t *data, struct igt_fb *fb,
> + drmModeModeInfo *mode)
> +{
> + int fb_id;
> +
> + fb_id = chamelium_get_pattern_fb(data, mode->hdisplay, mode->vdisplay,
> + DRM_FORMAT_XRGB8888, 64, fb);
> +
> + igt_assert(fb_id > 0);
> +}
> +
> +/* Returns the first preferred mode for the connector attached to @port. */
> +drmModeModeInfo chamelium_get_mode_for_port(struct chamelium *chamelium,
> + struct chamelium_port *port)
> +{
> + drmModeConnector *connector =
> + chamelium_port_get_connector(chamelium, port, false);
> + drmModeModeInfo mode;
> + igt_assert(&connector->modes[0] != NULL);
> + memcpy(&mode, &connector->modes[0], sizeof(mode));
> + drmModeFreeConnector(connector);
> + return mode;
> +}
> +
> +/* Returns the igt display output for the connector attached to @port. */
> +igt_output_t *chamelium_get_output_for_port(chamelium_data_t *data,
> + struct chamelium_port *port)
> +{
> + drmModeConnector *connector =
> + chamelium_port_get_connector(data->chamelium, port, true);
> + igt_output_t *output =
> + igt_output_from_connector(&data->display, connector);
> + drmModeFreeConnector(connector);
> + igt_assert(output != NULL);
> + return output;
> +}
> +
> +/* Set the EDID of index @edid to Chamelium's @port. */
> +void chamelium_set_edid(chamelium_data_t *data, struct chamelium_port *port,
> + enum igt_custom_edid_type edid)
> +{
> + chamelium_port_set_edid(data->chamelium, port, data->edids[edid]);
> +}
> +
> +/**
> + * chamelium_check_analog_bridge:
> + *
> + * Check if the connector associalted to @port is an analog bridge by checking
> + * if it has its own EDID.
> + *
> + */
> +bool chamelium_check_analog_bridge(chamelium_data_t *data,
> + struct chamelium_port *port)
> +{
> + drmModePropertyBlobPtr edid_blob = NULL;
> + drmModeConnector *connector =
> + chamelium_port_get_connector(data->chamelium, port, false);
> + uint64_t edid_blob_id;
> + const struct edid *edid;
> + char edid_vendor[3];
> +
> + if (chamelium_port_get_type(port) != DRM_MODE_CONNECTOR_VGA) {
> + drmModeFreeConnector(connector);
> + return false;
> + }
> +
> + igt_assert(kmstest_get_property(data->drm_fd, connector->connector_id,
> + DRM_MODE_OBJECT_CONNECTOR, "EDID", NULL,
> + &edid_blob_id, NULL));
> + igt_assert(edid_blob =
> + drmModeGetPropertyBlob(data->drm_fd, edid_blob_id));
> +
> + edid = (const struct edid *)edid_blob->data;
> + edid_get_mfg(edid, edid_vendor);
> +
> + drmModeFreePropertyBlob(edid_blob);
> + drmModeFreeConnector(connector);
> +
> + /* Analog bridges provide their own EDID */
> + if (edid_vendor[0] != 'I' || edid_vendor[1] != 'G' ||
> + edid_vendor[2] != 'T')
> + return true;
> +
> + return false;
> +}
> \ No newline at end of file
> diff --git a/tests/chamelium/kms_chamelium_helper.h b/tests/chamelium/kms_chamelium_helper.h
> new file mode 100644
> index 00000000..09fa4829
> --- /dev/null
> +++ b/tests/chamelium/kms_chamelium_helper.h
> @@ -0,0 +1,74 @@
> +/* SPDX-License-Identifier: MIT */
> +/*
> + * A helper library for all Chamelium tests.
> + *
> + * Copyright 2022 Google LLC.
> + *
> + * Authors: Mark Yacoub <markyacoub at chromium.org>
> + */
> +
> +#ifndef TESTS_CHAMELIUM_CHAMELIUM_HELPER_H
> +#define TESTS_CHAMELIUM_CHAMELIUM_HELPER_H
> +
> +#include "igt.h"
> +
> +#define ONLINE_TIMEOUT 20 /* seconds */
> +
> +#define for_each_port(p, port) \
> + for (p = 0, port = data.ports[p]; p < data.port_count; \
> + p++, port = data.ports[p])
> +
> +#define connector_subtest(name__, type__) \
> + igt_subtest(name__) \
> + for_each_port(p, port) if (chamelium_port_get_type(port) == \
> + DRM_MODE_CONNECTOR_##type__)
> +
> +/*
> + * The chamelium data structure is used to store all the information known about
> + * chamelium to run the tests.
> + */
> +typedef struct {
> + struct chamelium *chamelium;
> + struct chamelium_port **ports;
> + igt_display_t display;
> + int port_count;
> +
> + int drm_fd;
> +
> + struct chamelium_edid *edids[IGT_CUSTOM_EDID_COUNT];
> +} chamelium_data_t;
> +
> +void chamelium_init_test(chamelium_data_t *data);
> +
> +bool chamelium_wait_for_hotplug(struct udev_monitor *mon, int *timeout);
> +void chamelium_wait_for_connector_after_hotplug(chamelium_data_t *data,
> + struct udev_monitor *mon,
> + struct chamelium_port *port,
> + drmModeConnection status);
> +
> +igt_output_t *chamelium_prepare_output(chamelium_data_t *data,
> + struct chamelium_port *port,
> + enum igt_custom_edid_type edid);
> +void chamelium_enable_output(chamelium_data_t *data,
> + struct chamelium_port *port, igt_output_t *output,
> + drmModeModeInfo *mode, struct igt_fb *fb);
> +enum pipe chamelium_get_pipe_for_output(igt_display_t *display,
> + igt_output_t *output);
> +
> +int chamelium_get_pattern_fb(chamelium_data_t *data, size_t width,
> + size_t height, uint32_t fourcc, size_t block_size,
> + struct igt_fb *fb);
> +void chamelium_create_fb_for_mode(chamelium_data_t *data, struct igt_fb *fb,
> + drmModeModeInfo *mode);
> +drmModeModeInfo chamelium_get_mode_for_port(struct chamelium *chamelium,
> + struct chamelium_port *port);
> +igt_output_t *chamelium_get_output_for_port(chamelium_data_t *data,
> + struct chamelium_port *port);
> +
> +void chamelium_set_edid(chamelium_data_t *data, struct chamelium_port *port,
> + enum igt_custom_edid_type edid);
> +
> +bool chamelium_check_analog_bridge(chamelium_data_t *data,
> + struct chamelium_port *port);
> +
> +#endif /* TESTS_CHAMELIUM_CHAMELIUM_HELPER_H */
> diff --git a/tests/chamelium/kms_chamelium_hpd.c b/tests/chamelium/kms_chamelium_hpd.c
> new file mode 100644
> index 00000000..8a4e1aba
> --- /dev/null
> +++ b/tests/chamelium/kms_chamelium_hpd.c
> @@ -0,0 +1,512 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * A Chamelium test for testing the HPD functionality.
> + *
> + * Copyright 2022 Google LLC.
> + *
> + * Authors: Mark Yacoub <markyacoub at chromium.org>
> + */
> +
> +#include "kms_chamelium_helper.h"
> +
> +#define HPD_STORM_PULSE_INTERVAL_DP 100 /* ms */
> +#define HPD_STORM_PULSE_INTERVAL_HDMI 200 /* ms */
> +
> +#define HPD_TOGGLE_COUNT_VGA 5
> +#define HPD_TOGGLE_COUNT_DP_HDMI 15
> +#define HPD_TOGGLE_COUNT_FAST 3
> +
> +enum test_modeset_mode {
> + TEST_MODESET_ON,
> + TEST_MODESET_ON_OFF,
> + TEST_MODESET_OFF,
> +};
> +
> +static void try_suspend_resume_hpd(chamelium_data_t *data,
> + struct chamelium_port *port,
> + enum igt_suspend_state state,
> + enum igt_suspend_test test,
> + struct udev_monitor *mon, bool connected)
> +{
> + drmModeConnection target_state = connected ? DRM_MODE_DISCONNECTED :
> + DRM_MODE_CONNECTED;
> + int timeout = CHAMELIUM_HOTPLUG_TIMEOUT;
> + int delay;
> + int p;
> +
> + igt_flush_uevents(mon);
> +
> + delay = igt_get_autoresume_delay(state) * 1000 / 2;
> +
> + if (port) {
> + chamelium_schedule_hpd_toggle(data->chamelium, port, delay,
> + !connected);
> + } else {
> + for (p = 0; p < data->port_count; p++) {
> + port = data->ports[p];
> + chamelium_schedule_hpd_toggle(data->chamelium, port,
> + delay, !connected);
> + }
> +
> + port = NULL;
> + }
> +
> + igt_system_suspend_autoresume(state, test);
> + igt_assert(chamelium_wait_for_hotplug(mon, &timeout));
> + chamelium_assert_reachable(data->chamelium, ONLINE_TIMEOUT);
> +
> + if (port) {
> + igt_assert_eq(chamelium_reprobe_connector(
> + &data->display, data->chamelium, port),
> + target_state);
> + } else {
> + for (p = 0; p < data->port_count; p++) {
> + drmModeConnection current_state;
> +
> + port = data->ports[p];
> + /*
> + * There could be as many hotplug events sent by
> + * driver as connectors we scheduled an HPD toggle on
> + * above, depending on timing. So if we're not seeing
> + * the expected connector state try to wait for an HPD
> + * event for each connector/port.
> + */
> + current_state = chamelium_reprobe_connector(
> + &data->display, data->chamelium, port);
> + if (p > 0 && current_state != target_state) {
> + igt_assert(chamelium_wait_for_hotplug(
> + mon, &timeout));
> + current_state = chamelium_reprobe_connector(
> + &data->display, data->chamelium, port);
> + }
> +
> + igt_assert_eq(current_state, target_state);
> + }
> +
> + port = NULL;
> + }
> +}
> +
> +static const char test_basic_hotplug_desc[] =
> + "Check that we get uevents and updated connector status on "
> + "hotplug and unplug";
> +static void test_hotplug(chamelium_data_t *data, struct chamelium_port *port,
> + int toggle_count, enum test_modeset_mode modeset_mode)
> +{
> + int i;
> + enum pipe pipe;
> + struct igt_fb fb = { 0 };
> + drmModeModeInfo mode;
> + struct udev_monitor *mon = igt_watch_uevents();
> + igt_output_t *output = chamelium_get_output_for_port(data, port);
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, NULL,
> + data->ports, data->port_count);
> +
> + igt_hpd_storm_set_threshold(data->drm_fd, 0);
> +
> + for (i = 0; i < toggle_count; i++) {
> + igt_flush_uevents(mon);
> +
> + /* Check if we get a sysfs hotplug event */
> + chamelium_plug(data->chamelium, port);
> +
> + chamelium_wait_for_connector_after_hotplug(data, mon, port,
> + DRM_MODE_CONNECTED);
> + igt_flush_uevents(mon);
> +
> + if (modeset_mode == TEST_MODESET_ON_OFF ||
> + (modeset_mode == TEST_MODESET_ON && i == 0)) {
> + if (i == 0) {
> + /* We can only get mode and pipe once we are
> + * connected */
> + output = chamelium_get_output_for_port(data,
> + port);
> + pipe = chamelium_get_pipe_for_output(
> + &data->display, output);
> + mode = chamelium_get_mode_for_port(
> + data->chamelium, port);
> + chamelium_create_fb_for_mode(data, &fb, &mode);
> + }
> +
> + igt_output_set_pipe(output, pipe);
> + chamelium_enable_output(data, port, output, &mode, &fb);
> + }
> +
> + /* Now check if we get a hotplug from disconnection */
> + chamelium_unplug(data->chamelium, port);
> +
> + chamelium_wait_for_connector_after_hotplug(
> + data, mon, port, DRM_MODE_DISCONNECTED);
> +
> + igt_flush_uevents(mon);
> +
> + if (modeset_mode == TEST_MODESET_ON_OFF) {
> + igt_output_set_pipe(output, PIPE_NONE);
> + igt_display_commit2(&data->display, COMMIT_ATOMIC);
> + }
> + }
> +
> + igt_cleanup_uevents(mon);
> + igt_hpd_storm_reset(data->drm_fd);
> + igt_remove_fb(data->drm_fd, &fb);
> +}
> +
> +static const char test_hotplug_for_each_pipe_desc[] =
> + "Check that we get uevents and updated connector status on "
> + "hotplug and unplug for each pipe with valid output";
> +static void test_hotplug_for_each_pipe(chamelium_data_t *data,
> + struct chamelium_port *port)
> +{
> + igt_output_t *output;
> + enum pipe pipe;
> + struct udev_monitor *mon = igt_watch_uevents();
> +
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + igt_hpd_storm_set_threshold(data->drm_fd, 0);
> + /* Disconnect if any port got connected */
> + chamelium_unplug(data->chamelium, port);
> + chamelium_wait_for_connector_after_hotplug(data, mon, port,
> + DRM_MODE_DISCONNECTED);
> +
> + for_each_pipe(&data->display, pipe) {
> + igt_flush_uevents(mon);
> + /* Check if we get a sysfs hotplug event */
> + chamelium_plug(data->chamelium, port);
> + chamelium_wait_for_connector_after_hotplug(data, mon, port,
> + DRM_MODE_CONNECTED);
> + igt_flush_uevents(mon);
> + output = chamelium_get_output_for_port(data, port);
> +
> + /* If pipe is valid for output then set it */
> + if (igt_pipe_connector_valid(pipe, output)) {
> + igt_output_set_pipe(output, pipe);
> + igt_display_commit2(&data->display, COMMIT_ATOMIC);
> + }
> +
> + chamelium_unplug(data->chamelium, port);
> + chamelium_wait_for_connector_after_hotplug(
> + data, mon, port, DRM_MODE_DISCONNECTED);
> + igt_flush_uevents(mon);
> + }
> +
> + igt_cleanup_uevents(mon);
> + igt_hpd_storm_reset(data->drm_fd);
> +}
> +
> +static const char test_suspend_resume_hpd_desc[] =
> + "Toggle HPD during suspend, check that uevents are sent and connector "
> + "status is updated";
> +static void test_suspend_resume_hpd(chamelium_data_t *data,
> + struct chamelium_port *port,
> + enum igt_suspend_state state,
> + enum igt_suspend_test test)
> +{
> + struct udev_monitor *mon = igt_watch_uevents();
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + /* Make sure we notice new connectors after resuming */
> + try_suspend_resume_hpd(data, port, state, test, mon, false);
> +
> + /* Now make sure we notice disconnected connectors after resuming */
> + try_suspend_resume_hpd(data, port, state, test, mon, true);
> +
> + igt_cleanup_uevents(mon);
> +}
> +
> +static const char test_suspend_resume_hpd_common_desc[] =
> + "Toggle HPD during suspend on all connectors, check that uevents are "
> + "sent and connector status is updated";
> +static void test_suspend_resume_hpd_common(chamelium_data_t *data,
> + enum igt_suspend_state state,
> + enum igt_suspend_test test)
> +{
> + struct udev_monitor *mon = igt_watch_uevents();
> + struct chamelium_port *port;
> + int p;
> +
> + for (p = 0; p < data->port_count; p++) {
> + port = data->ports[p];
> + igt_debug("Testing port %s\n", chamelium_port_get_name(port));
> + }
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, NULL,
> + data->ports, data->port_count);
> +
> + /* Make sure we notice new connectors after resuming */
> + try_suspend_resume_hpd(data, NULL, state, test, mon, false);
> +
> + /* Now make sure we notice disconnected connectors after resuming */
> + try_suspend_resume_hpd(data, NULL, state, test, mon, true);
> +
> + igt_cleanup_uevents(mon);
> +}
> +
> +static const char test_hpd_without_ddc_desc[] =
> + "Disable DDC on a VGA connector, check we still get a uevent on hotplug";
> +static void test_hpd_without_ddc(chamelium_data_t *data,
> + struct chamelium_port *port)
> +{
> + struct udev_monitor *mon = igt_watch_uevents();
> +
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> + igt_flush_uevents(mon);
> +
> + /* Disable the DDC on the connector and make sure we still get a
> + * hotplug
> + */
> + chamelium_port_set_ddc_state(data->chamelium, port, false);
> + chamelium_plug(data->chamelium, port);
> +
> + igt_assert(igt_hotplug_detected(mon, CHAMELIUM_HOTPLUG_TIMEOUT));
> + igt_assert_eq(chamelium_reprobe_connector(&data->display,
> + data->chamelium, port),
> + DRM_MODE_CONNECTED);
> +
> + igt_cleanup_uevents(mon);
> +}
> +
> +static const char test_hpd_storm_detect_desc[] =
> + "Trigger a series of hotplugs in a very small timeframe to simulate a"
> + "bad cable, check the kernel falls back to polling to avoid a hotplug "
> + "storm";
> +static void test_hpd_storm_detect(chamelium_data_t *data,
> + struct chamelium_port *port, int width)
> +{
> + struct udev_monitor *mon;
> + int count = 0;
> +
> + igt_require_hpd_storm_ctl(data->drm_fd);
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + igt_hpd_storm_set_threshold(data->drm_fd, 1);
> + chamelium_fire_hpd_pulses(data->chamelium, port, width, 10);
> + igt_assert(igt_hpd_storm_detected(data->drm_fd));
> +
> + mon = igt_watch_uevents();
> + chamelium_fire_hpd_pulses(data->chamelium, port, width, 10);
> +
> + /*
> + * Polling should have been enabled by the HPD storm at this point,
> + * so we should only get at most 1 hotplug event
> + */
> + igt_until_timeout(5)
> + count += igt_hotplug_detected(mon, 1);
> + igt_assert_lt(count, 2);
> +
> + igt_cleanup_uevents(mon);
> + igt_hpd_storm_reset(data->drm_fd);
> +}
> +
> +static const char test_hpd_storm_disable_desc[] =
> + "Disable HPD storm detection, trigger a storm and check the kernel "
> + "doesn't detect one";
> +static void test_hpd_storm_disable(chamelium_data_t *data,
> + struct chamelium_port *port, int width)
> +{
> + igt_require_hpd_storm_ctl(data->drm_fd);
> + igt_modeset_disable_all_outputs(&data->display);
> + chamelium_reset_state(&data->display, data->chamelium, port,
> + data->ports, data->port_count);
> +
> + igt_hpd_storm_set_threshold(data->drm_fd, 0);
> + chamelium_fire_hpd_pulses(data->chamelium, port, width, 10);
> + igt_assert(!igt_hpd_storm_detected(data->drm_fd));
> +
> + igt_hpd_storm_reset(data->drm_fd);
> +}
> +
> +IGT_TEST_DESCRIPTION("Testing HPD with a Chamelium board");
> +igt_main
> +{
> + chamelium_data_t data;
> + struct chamelium_port *port;
> + int p;
> +
> + igt_fixture {
> + chamelium_init_test(&data);
> + }
> +
> + igt_describe("DisplayPort tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_DisplayPort,
> + data.port_count, 1);
> + }
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("dp-hpd", DisplayPort)
> + test_hotplug(&data, port, HPD_TOGGLE_COUNT_DP_HDMI,
> + TEST_MODESET_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("dp-hpd-fast", DisplayPort) test_hotplug(
> + &data, port, HPD_TOGGLE_COUNT_FAST, TEST_MODESET_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("dp-hpd-enable-disable-mode", DisplayPort)
> + test_hotplug(&data, port, HPD_TOGGLE_COUNT_FAST,
> + TEST_MODESET_ON_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("dp-hpd-with-enabled-mode", DisplayPort)
> + test_hotplug(&data, port, HPD_TOGGLE_COUNT_FAST,
> + TEST_MODESET_ON);
> +
> + igt_describe(test_hotplug_for_each_pipe_desc);
> + connector_subtest("dp-hpd-for-each-pipe", DisplayPort)
> + test_hotplug_for_each_pipe(&data, port);
> +
> + igt_describe(test_suspend_resume_hpd_desc);
> + connector_subtest("dp-hpd-after-suspend", DisplayPort)
> + test_suspend_resume_hpd(&data, port, SUSPEND_STATE_MEM,
> + SUSPEND_TEST_NONE);
> +
> + igt_describe(test_suspend_resume_hpd_desc);
> + connector_subtest("dp-hpd-after-hibernate", DisplayPort)
> + test_suspend_resume_hpd(&data, port, SUSPEND_STATE_DISK,
> + SUSPEND_TEST_DEVICES);
> +
> + igt_describe(test_hpd_storm_detect_desc);
> + connector_subtest("dp-hpd-storm", DisplayPort)
> + test_hpd_storm_detect(&data, port,
> + HPD_STORM_PULSE_INTERVAL_DP);
> +
> + igt_describe(test_hpd_storm_disable_desc);
> + connector_subtest("dp-hpd-storm-disable", DisplayPort)
> + test_hpd_storm_disable(&data, port,
> + HPD_STORM_PULSE_INTERVAL_DP);
> + }
> +
> + igt_describe("HDMI tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_HDMIA,
> + data.port_count, 1);
> + }
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("hdmi-hpd", HDMIA)
> + test_hotplug(&data, port, HPD_TOGGLE_COUNT_DP_HDMI,
> + TEST_MODESET_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("hdmi-hpd-fast", HDMIA) test_hotplug(
> + &data, port, HPD_TOGGLE_COUNT_FAST, TEST_MODESET_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("hdmi-hpd-enable-disable-mode", HDMIA)
> + test_hotplug(&data, port, HPD_TOGGLE_COUNT_FAST,
> + TEST_MODESET_ON_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("hdmi-hpd-with-enabled-mode", HDMIA)
> + test_hotplug(&data, port, HPD_TOGGLE_COUNT_FAST,
> + TEST_MODESET_ON);
> +
> + igt_describe(test_hotplug_for_each_pipe_desc);
> + connector_subtest("hdmi-hpd-for-each-pipe", HDMIA)
> + test_hotplug_for_each_pipe(&data, port);
> +
> + igt_describe(test_suspend_resume_hpd_desc);
> + connector_subtest("hdmi-hpd-after-suspend", HDMIA)
> + test_suspend_resume_hpd(&data, port, SUSPEND_STATE_MEM,
> + SUSPEND_TEST_NONE);
> +
> + igt_describe(test_suspend_resume_hpd_desc);
> + connector_subtest("hdmi-hpd-after-hibernate", HDMIA)
> + test_suspend_resume_hpd(&data, port, SUSPEND_STATE_DISK,
> + SUSPEND_TEST_DEVICES);
> +
> + igt_describe(test_hpd_storm_detect_desc);
> + connector_subtest("hdmi-hpd-storm", HDMIA)
> + test_hpd_storm_detect(&data, port,
> + HPD_STORM_PULSE_INTERVAL_HDMI);
> +
> + igt_describe(test_hpd_storm_disable_desc);
> + connector_subtest("hdmi-hpd-storm-disable", HDMIA)
> + test_hpd_storm_disable(&data, port,
> + HPD_STORM_PULSE_INTERVAL_HDMI);
> + }
> +
> + igt_describe("VGA tests");
> + igt_subtest_group {
> + igt_fixture {
> + chamelium_require_connector_present(
> + data.ports, DRM_MODE_CONNECTOR_VGA,
> + data.port_count, 1);
> + }
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("vga-hpd", VGA) test_hotplug(
> + &data, port, HPD_TOGGLE_COUNT_VGA, TEST_MODESET_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("vga-hpd-fast", VGA) test_hotplug(
> + &data, port, HPD_TOGGLE_COUNT_FAST, TEST_MODESET_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("vga-hpd-enable-disable-mode", VGA)
> + test_hotplug(&data, port, HPD_TOGGLE_COUNT_FAST,
> + TEST_MODESET_ON_OFF);
> +
> + igt_describe(test_basic_hotplug_desc);
> + connector_subtest("vga-hpd-with-enabled-mode", VGA)
> + test_hotplug(&data, port, HPD_TOGGLE_COUNT_FAST,
> + TEST_MODESET_ON);
> +
> + igt_describe(test_suspend_resume_hpd_desc);
> + connector_subtest("vga-hpd-after-suspend", VGA)
> + test_suspend_resume_hpd(&data, port, SUSPEND_STATE_MEM,
> + SUSPEND_TEST_NONE);
> +
> + igt_describe(test_suspend_resume_hpd_desc);
> + connector_subtest("vga-hpd-after-hibernate", VGA)
> + test_suspend_resume_hpd(&data, port, SUSPEND_STATE_DISK,
> + SUSPEND_TEST_DEVICES);
> +
> + igt_describe(test_hpd_without_ddc_desc);
> + connector_subtest("vga-hpd-without-ddc", VGA)
> + test_hpd_without_ddc(&data, port);
> + }
> +
> + igt_describe("Tests that operate on all connectors");
> + igt_subtest_group {
> + igt_fixture {
> + igt_require(data.port_count);
> + }
> +
> + igt_describe(test_suspend_resume_hpd_common_desc);
> + igt_subtest("common-hpd-after-suspend")
> + test_suspend_resume_hpd_common(&data, SUSPEND_STATE_MEM,
> + SUSPEND_TEST_NONE);
> +
> + igt_describe(test_suspend_resume_hpd_common_desc);
> + igt_subtest("common-hpd-after-hibernate")
> + test_suspend_resume_hpd_common(&data,
> + SUSPEND_STATE_DISK,
> + SUSPEND_TEST_DEVICES);
> + }
> +
> + igt_describe(test_hotplug_for_each_pipe_desc);
> + connector_subtest("vga-hpd-for-each-pipe", VGA)
> + test_hotplug_for_each_pipe(&data, port);
> +
> + igt_fixture {
> + igt_display_fini(&data.display);
> + close(data.drm_fd);
> + }
> +}
> diff --git a/tests/intel-ci/blacklist.txt b/tests/intel-ci/blacklist.txt
> index 0d307730..6e5cc436 100644
> --- a/tests/intel-ci/blacklist.txt
> +++ b/tests/intel-ci/blacklist.txt
> @@ -77,7 +77,7 @@ igt at kms_frontbuffer_tracking@.*drrs.*
> # is too costly in comparison to the value
> # provided.
> ###############################################
> -igt at kms_chamelium@hdmi-.*-planes-random
> +igt at kms_chamelium_frames@hdmi-.*-planes-random
> ###############################################
> # Broadcom
> ###############################################
> diff --git a/tests/intel-ci/fast-feedback.testlist b/tests/intel-ci/fast-feedback.testlist
> index f57f8ff3..fb4c0f73 100644
> --- a/tests/intel-ci/fast-feedback.testlist
> +++ b/tests/intel-ci/fast-feedback.testlist
> @@ -92,14 +92,14 @@ igt at kms_addfb_basic@unused-modifier
> igt at kms_addfb_basic@unused-offsets
> igt at kms_addfb_basic@unused-pitches
> igt at kms_busy@basic
> -igt at kms_chamelium@dp-hpd-fast
> -igt at kms_chamelium@dp-edid-read
> -igt at kms_chamelium@dp-crc-fast
> -igt at kms_chamelium@hdmi-hpd-fast
> -igt at kms_chamelium@hdmi-edid-read
> -igt at kms_chamelium@hdmi-crc-fast
> -igt at kms_chamelium@vga-hpd-fast
> -igt at kms_chamelium@vga-edid-read
> +igt at kms_chamelium_hpd@dp-hpd-fast
> +igt at kms_chamelium_edid@dp-edid-read
> +igt at kms_chamelium_frames@dp-crc-fast
> +igt at kms_chamelium_hpd@hdmi-hpd-fast
> +igt at kms_chamelium_edid@hdmi-edid-read
> +igt at kms_chamelium_frames@hdmi-crc-fast
> +igt at kms_chamelium_hpd@vga-hpd-fast
> +igt at kms_chamelium_edid@vga-edid-read
> igt at kms_prop_blob@basic
> igt at kms_cursor_legacy@basic-busy-flip-before-cursor
> igt at kms_cursor_legacy@basic-flip-after-cursor
> @@ -174,5 +174,5 @@ igt at i915_suspend@basic-s2idle-without-i915
> igt at i915_suspend@basic-s3-without-i915
> igt at gem_exec_suspend@basic-s0
> igt at gem_exec_suspend@basic-s3
> -igt at kms_chamelium@common-hpd-after-suspend
> +igt at kms_chamelium_hpd@common-hpd-after-suspend
> igt at kms_pipe_crc_basic@suspend-read-crc
> diff --git a/tests/kms_color_helper.h b/tests/kms_color_helper.h
> index f0ae30e3..f9242232 100644
> --- a/tests/kms_color_helper.h
> +++ b/tests/kms_color_helper.h
> @@ -27,7 +27,7 @@
>
> /*
> * This header is for code that is shared between kms_color.c and
> - * kms_color_chamelium.c. Reusability elsewhere can be questionable.
> + * kms_chamelium_color.c. Reusability elsewhere can be questionable.
> */
>
> #include <math.h>
> diff --git a/tests/meson.build b/tests/meson.build
> index 5c052e73..b52399d5 100644
> --- a/tests/meson.build
> +++ b/tests/meson.build
> @@ -260,7 +260,10 @@ msm_progs = [
> ]
>
> chamelium_progs = [
> - 'kms_chamelium',
> + 'kms_chamelium_audio',
> + 'kms_chamelium_edid',
> + 'kms_chamelium_frames',
> + 'kms_chamelium_hpd',
> ]
>
> test_deps = [ igt_deps ]
> @@ -309,7 +312,8 @@ endforeach
> if chamelium.found()
> foreach prog : chamelium_progs
> test_executables += executable(prog,
> - join_paths('chamelium', prog + '.c'),
> + [join_paths('chamelium', prog + '.c'),
> + join_paths('chamelium', 'kms_chamelium_helper.c')],
> dependencies : test_deps,
> install_dir : libexecdir,
> install_rpath : libexecdir_rpathdir,
> @@ -436,13 +440,13 @@ test_executables += executable('kms_color',
> test_list += 'kms_color'
>
> if chamelium.found()
> - test_executables += executable('kms_color_chamelium',
> - [ 'chamelium/kms_color_chamelium.c', 'kms_color_helper.c' ],
> + test_executables += executable('kms_chamelium_color',
> + [ 'chamelium/kms_chamelium_color.c', 'kms_color_helper.c' ],
> dependencies : test_deps + [ chamelium ],
> install_dir : libexecdir,
> install_rpath : libexecdir_rpathdir,
> install : true)
> - test_list += 'kms_color_chamelium'
> + test_list += 'kms_chamelium_color'
> endif
>
> test_executables += executable('sw_sync', 'sw_sync.c',
> diff --git a/tests/vc4_ci/vc4-chamelium-fast.testlist b/tests/vc4_ci/vc4-chamelium-fast.testlist
> index dd45d12a..a5521021 100644
> --- a/tests/vc4_ci/vc4-chamelium-fast.testlist
> +++ b/tests/vc4_ci/vc4-chamelium-fast.testlist
> @@ -1,14 +1,14 @@
> -igt at kms_chamelium@hdmi-crc-abgr8888
> -igt at kms_chamelium@hdmi-crc-argb1555
> -igt at kms_chamelium@hdmi-crc-argb8888
> -igt at kms_chamelium@hdmi-crc-bgr565
> -igt at kms_chamelium@hdmi-crc-bgr888
> -igt at kms_chamelium@hdmi-crc-fast
> -igt at kms_chamelium@hdmi-crc-rgb565
> -igt at kms_chamelium@hdmi-crc-rgb888
> -igt at kms_chamelium@hdmi-crc-xbgr8888
> -igt at kms_chamelium@hdmi-crc-xrgb1555
> -igt at kms_chamelium@hdmi-crc-xrgb8888
> -igt at kms_chamelium@hdmi-edid-read
> -igt at kms_chamelium@hdmi-hpd
> -igt at kms_chamelium@hdmi-hpd-fast
> +igt at kms_chamelium_frames@hdmi-crc-abgr8888
> +igt at kms_chamelium_frames@hdmi-crc-argb1555
> +igt at kms_chamelium_frames@hdmi-crc-argb8888
> +igt at kms_chamelium_frames@hdmi-crc-bgr565
> +igt at kms_chamelium_frames@hdmi-crc-bgr888
> +igt at kms_chamelium_frames@hdmi-crc-fast
> +igt at kms_chamelium_frames@hdmi-crc-rgb565
> +igt at kms_chamelium_frames@hdmi-crc-rgb888
> +igt at kms_chamelium_frames@hdmi-crc-xbgr8888
> +igt at kms_chamelium_frames@hdmi-crc-xrgb1555
> +igt at kms_chamelium_frames@hdmi-crc-xrgb8888
> +igt at kms_chamelium_edid@hdmi-edid-read
> +igt at kms_chamelium_hpd@hdmi-hpd
> +igt at kms_chamelium_hpd@hdmi-hpd-fast
--
Jani Nikula, Intel Open Source Graphics Center
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