[igt-dev] [PATCH v2] tests/kms_bw: New test for bandwidth validation
Bindu Ramamurthy
bindu.r at amd.com
Thu Jul 22 21:54:48 UTC 2021
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 v2:
Test added as generic IGT.
tests/kms_bw.c | 250 ++++++++++++++++++++++++++++++++++++++++++++++
tests/meson.build | 1 +
2 files changed, 251 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..65b97c98
--- /dev/null
+++ b/tests/kms_bw.c
@@ -0,0 +1,250 @@
+/*
+ * 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>
+
+/* Maximum pipes on any ASIC. */
+#define MAX_PIPES 6
+
+/* Common test data. */
+typedef struct data {
+ igt_display_t display;
+ igt_plane_t *primary[MAX_PIPES];
+ igt_output_t *output[MAX_PIPES];
+ igt_pipe_t *pipe[MAX_PIPES];
+ igt_pipe_crc_t *pipe_crc[MAX_PIPES];
+ drmModeModeInfo mode[MAX_PIPES];
+ enum pipe pipe_id[MAX_PIPES];
+ int w[MAX_PIPES];
+ int h[MAX_PIPES];
+ int fd;
+} data_t;
+
+static const drmModeModeInfo test_mode_1 = {
+ .name = "1920x1080p\0",
+ .vrefresh = 60,
+ .clock = 173000,
+ .hdisplay = 1920,
+ .hsync_start = 2048,
+ .hsync_end = 2248,
+ .htotal = 2576,
+ .vdisplay = 1080,
+ .vsync_start = 1083,
+ .vsync_end = 1088,
+ .vtotal = 1120,
+ .type = 0x40,
+ .flags = DRM_MODE_FLAG_NHSYNC,
+ .hskew = 0,
+ .vscan = 0,
+};
+
+static const drmModeModeInfo test_mode_2 = {
+ .name = "2560x1440p\0",
+ .vrefresh = 60,
+ .clock = 312250,
+ .hdisplay = 2560,
+ .hsync_start = 2752,
+ .hsync_end = 3024,
+ .htotal = 3488,
+ .vdisplay = 1440,
+ .vsync_start = 1443,
+ .vsync_end = 1448,
+ .vtotal = 1493,
+ .type = 0x40,
+ .flags = DRM_MODE_FLAG_NHSYNC,
+ .hskew = 0,
+ .vscan = 0,
+};
+
+static const drmModeModeInfo test_mode_3 = {
+ .name = "3840x2160p\0",
+ .vrefresh = 60,
+ .clock = 533000,
+ .hdisplay = 3840,
+ .hsync_start = 3888,
+ .hsync_end = 3920,
+ .htotal = 4000,
+ .vdisplay = 2160,
+ .vsync_start = 2163,
+ .vsync_end = 2168,
+ .vtotal = 2222,
+ .type = 0x40,
+ .flags = DRM_MODE_FLAG_NHSYNC,
+ .hskew = 0,
+ .vscan = 0,
+};
+
+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[MAX_PIPES];
+ igt_crc_t zero, captured[MAX_PIPES];
+ void *user_data = NULL;
+ int ret;
+ int i = 0;
+
+ test_init(data);
+
+ igt_skip_on_f(pipe >= igt_display_get_n_pipes(display),
+ "ASIC does not have %d pipes\n", pipe);
+
+ /* 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_1.hdisplay,
+ test_mode_1.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]);
+ }
+
+ ret = igt_display_try_commit_atomic(
+ display, DRM_MODE_ATOMIC_ALLOW_MODESET, user_data);
+
+ igt_assert_f(ret >= 0, "Modeset failed\n");
+
+ 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;
+
+ igt_skip_on_simulation();
+
+ 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 < MAX_PIPES; i++) {
+ igt_subtest_f("linear-tiling-%d-displays-%s", i+1,
+ test_mode_1.name)
+ run_test_linear_tiling(&data, i, &test_mode_1);
+ igt_subtest_f("linear-tiling-%d-displays-%s", i+1,
+ test_mode_2.name)
+ run_test_linear_tiling(&data, i, &test_mode_2);
+ igt_subtest_f("linear-tiling-%d-displays-%s", i+1,
+ test_mode_3.name)
+ run_test_linear_tiling(&data, i, &test_mode_3);
+ }
+
+ 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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