[igt-dev] [PATCH v3] tests/kms_bw: New test for bandwidth validation
Petri Latvala
petri.latvala at intel.com
Wed Aug 4 05:30:49 UTC 2021
On Tue, Aug 03, 2021 at 04:07:49PM -0400, Bindu Ramamurthy wrote:
> From: Aurabindo Pillai <aurabindo.pillai at amd.com>
>
> Add linear tiling mode tests
>
> Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
> Acked-by: Bindu Ramamurthy <bindu.r at amd.com>
> ---
> Changes since v3:
> This version implements array of test modes in igt_main,
> global IGT_MAX_PIPE and other comments from Mark.
>
>
> tests/kms_bw.c | 218 ++++++++++++++++++++++++++++++++++++++++++++++
> tests/meson.build | 1 +
> 2 files changed, 219 insertions(+)
> create mode 100644 tests/kms_bw.c
>
> diff --git a/tests/kms_bw.c b/tests/kms_bw.c
> new file mode 100644
> index 00000000..eb6dc57e
> --- /dev/null
> +++ b/tests/kms_bw.c
> @@ -0,0 +1,218 @@
> +/*
> + * Copyrights 2021 Advanced Micro Devices, 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
> + */
> +
> +#include "drm_mode.h"
> +#include "igt.h"
> +#include "drm.h"
> +#include <stdio.h>
> +#include <xf86drmMode.h>
> +
> +
> +/* Common test data. */
> +typedef struct data {
> + igt_display_t display;
> + igt_plane_t *primary[IGT_MAX_PIPES];
> + igt_output_t *output[IGT_MAX_PIPES];
> + igt_pipe_t *pipe[IGT_MAX_PIPES];
> + igt_pipe_crc_t *pipe_crc[IGT_MAX_PIPES];
> + drmModeModeInfo mode[IGT_MAX_PIPES];
> + enum pipe pipe_id[IGT_MAX_PIPES];
> + int w[IGT_MAX_PIPES];
> + int h[IGT_MAX_PIPES];
> + int fd;
> +} data_t;
> +
> +static drmModeModeInfo test_mode[] = {
> + { 173000,
> + 1920, 2048, 2248, 2576, 0,
> + 1080, 1083, 1088, 1120, 0,
> + 60,
> + DRM_MODE_FLAG_NHSYNC,
> + 0x40,
> + "1920x1080p\0",
> + }, /* test_mode_1 */
> +
> + { 312250,
> + 2560, 2752, 3024, 3488, 0,
> + 1440, 1443, 1448, 1493, 0,
> + 60,
> + DRM_MODE_FLAG_NHSYNC,
> + 0x40,
> + "2560x1440p\0",
> + }, /* test_mode_2 */
> +
> + { 533000,
> + 3840, 3888, 3920, 4000, 0,
> + 2160, 2163, 2168, 2222, 0,
> + 60,
> + DRM_MODE_FLAG_NHSYNC,
> + 0x40,
> + "3840x2160p\0",
> + }, /* test_mode_3 */
> +
> +};
> +
> +static void test_init(data_t *data)
> +{
> + igt_display_t *display = &data->display;
> + int i, max_pipes = display->n_pipes;
> +
> + for_each_pipe(display, i) {
> + data->pipe_id[i] = PIPE_A + i;
> + data->pipe[i] = &data->display.pipes[data->pipe_id[i]];
> + data->primary[i] = igt_pipe_get_plane_type(
> + data->pipe[i], DRM_PLANE_TYPE_PRIMARY);
> + data->pipe_crc[i] =
> + igt_pipe_crc_new(data->fd, data->pipe_id[i], "auto");
> + }
> +
> + for (i = 0; i < display->n_outputs && i < max_pipes; i++) {
> + igt_output_t *output = &display->outputs[i];
> +
> + data->output[i] = output;
> +
> + /* Only allow physically connected displays for the tests. */
> + if (!igt_output_is_connected(output))
> + continue;
> +
> + igt_assert(kmstest_get_connector_default_mode(
> + data->fd, output->config.connector, &data->mode[i]));
> +
> + data->w[i] = data->mode[i].hdisplay;
> + data->h[i] = data->mode[i].vdisplay;
> + }
> +
> +
> + igt_require(data->output[0]);
> + igt_display_reset(display);
> +}
> +
> +static void test_fini(data_t *data)
> +{
> + igt_display_t *display = &data->display;
> + int i;
> +
> + for_each_pipe(display, i) {
> + igt_pipe_crc_free(data->pipe_crc[i]);
> + }
> +
> + igt_display_reset(display);
> + igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, 0);
> +}
> +
> +/* Forces a mode for a connector. */
> +static void force_output_mode(data_t *d, igt_output_t *output,
> + const drmModeModeInfo *mode)
> +{
> + /* This allows us to create a virtual sink. */
> + if (!igt_output_is_connected(output)) {
> + kmstest_force_edid(d->fd, output->config.connector,
> + igt_kms_get_4k_edid());
> +
> + kmstest_force_connector(d->fd, output->config.connector,
> + FORCE_CONNECTOR_DIGITAL);
> + }
> +
> + igt_output_override_mode(output, mode);
> +}
> +
> +static void run_test_linear_tiling(data_t *data, int pipe, const drmModeModeInfo *mode) {
> + igt_display_t *display = &data->display;
> + igt_output_t *output;
> + struct igt_fb buffer[IGT_MAX_PIPES];
> + igt_crc_t zero, captured[IGT_MAX_PIPES];
> + int i = 0;
> +
> +
> + igt_skip_on_f(pipe >= igt_display_get_n_pipes(display),
> + "ASIC does not have %d pipes\n", pipe);
> +
> + test_init(data);
> +
> + /* create buffers */
> + for (i = 0; i <= pipe; i++) {
> +
> + output = data->output[i];
> + if (!output) {
> + continue;
> + }
> +
> + force_output_mode(data, output, mode);
> +
> + igt_create_color_fb(display->drm_fd, test_mode[0].hdisplay,
> + test_mode[0].vdisplay, DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_MOD_NONE, 1.f, 0.f, 0.f,
> + &buffer[i]);
> +
> + igt_output_set_pipe(output, i);
> +
> + igt_plane_set_fb(data->primary[i], &buffer[i]);
> + }
> +
> + igt_display_commit_atomic(
> + display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> +
> +
> + for (i = 0; i <= pipe; i++) {
> + igt_pipe_crc_collect_crc(data->pipe_crc[i], &captured[i]);
> + igt_assert_f(!igt_check_crc_equal(&zero, &captured[i]),
> + "CRC is zero\n");
> + igt_remove_fb(display->drm_fd, &buffer[i]);
> + }
> +
> + test_fini(data);
> +}
> +
> +igt_main
> +{
> + data_t data;
> + int i = 0, j = 0;
> +
> + igt_skip_on_simulation();
Remove this, igt_skip_on_simulation is deprecated and does more harm
than good.
--
Petri Latvala
> +
> + memset(&data, 0, sizeof(data));
> +
> + igt_fixture
> + {
> + data.fd = drm_open_driver_master(DRIVER_ANY);
> +
> + kmstest_set_vt_graphics_mode();
> +
> + igt_display_require(&data.display, data.fd);
> + igt_require(&data.display.is_atomic);
> + igt_display_require_output(&data.display);
> +
> + }
> +
> + for (i = 0; i < IGT_MAX_PIPES; i++)
> + for (j = 0; j < ARRAY_SIZE(test_mode); j++) {
> + igt_subtest_f("linear-tiling-%d-displays-%s", i+1,
> + test_mode[j].name)
> + run_test_linear_tiling(&data, i, &test_mode[j]);
> + }
> +
> +
> + igt_fixture
> + {
> + igt_display_fini(&data.display);
> + }
> +}
> diff --git a/tests/meson.build b/tests/meson.build
> index 1bdfddbb..6d1ebe42 100644
> --- a/tests/meson.build
> +++ b/tests/meson.build
> @@ -22,6 +22,7 @@ test_progs = [
> 'kms_big_fb',
> 'kms_big_joiner' ,
> 'kms_busy',
> + 'kms_bw',
> 'kms_ccs',
> 'kms_cdclk',
> 'kms_concurrent',
> --
> 2.25.1
>
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