[igt-dev] [PATCH i-g-t 2/7] tests/kms_color: Degamma MPO + pipe color test

Modem, Bhanuprakash bhanuprakash.modem at intel.com
Thu Oct 13 04:23:51 UTC 2022


On Wed-12-10-2022 06:04 pm, Ananya Sharma wrote:
> MPO + pipe color test for degamma transformation.
> 
> Signed-off-by: Ananya Sharma <ananya.sharma at intel.com>
> ---
>   tests/kms_color.c | 175 ++++++++++++++++++++++++++++++++--------------
>   1 file changed, 122 insertions(+), 53 deletions(-)
> 
> diff --git a/tests/kms_color.c b/tests/kms_color.c
> index d5df9840..168951c8 100644
> --- a/tests/kms_color.c
> +++ b/tests/kms_color.c
> @@ -27,58 +27,88 @@
>   IGT_TEST_DESCRIPTION("Test Color Features at Pipe level");
>   
>   static bool test_pipe_degamma(data_t *data,
> -			      igt_plane_t *primary)
> +			      igt_plane_t *primary, bool multiplane)

+ Uma to Ack the approach

>   {
>   	igt_output_t *output = data->output;
> +	igt_plane_t *overlay = data->overlay;
>   	igt_display_t *display = &data->display;
> -	gamma_lut_t *degamma_linear, *degamma_full;
> +	gamma_lut_t *degamma_full;
>   	color_t red_green_blue[] = {
>   		{ 1.0, 0.0, 0.0 },
>   		{ 0.0, 1.0, 0.0 },
>   		{ 0.0, 0.0, 1.0 }
>   	};
> +	color_t blue_red_green[] = {
> +		{ 0.0, 1.0, 0.0 },
> +		{ 0.0, 0.0, 1.0 },
> +		{ 1.0, 0.0, 0.0 }
> +	};
>   	drmModeModeInfo *mode = data->mode;
> -	struct igt_fb fb_modeset, fb;
> +	struct igt_fb fb0, fb1;
>   	igt_crc_t crc_fullgamma, crc_fullcolors;
> -	int fb_id, fb_modeset_id;
> +	int fb_id0, fb_id1;
> +	int primary_x, primary_y, primary_h, primary_w;
> +	int overlay_x, overlay_y, overlay_h, overlay_w;
>   	bool ret;
>   
>   	igt_require(igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_DEGAMMA_LUT));
>   	igt_require(igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_GAMMA_LUT));
>   
> -	degamma_linear = generate_table(data->degamma_lut_size, 1.0);
>   	degamma_full = generate_table_max(data->degamma_lut_size);
>   
>   	igt_output_set_pipe(output, primary->pipe->pipe);
>   	igt_output_override_mode(output, mode);
>   
> -	/* Create a framebuffer at the size of the output. */
> -	fb_id = igt_create_fb(data->drm_fd,
> -			      mode->hdisplay,
> -			      mode->vdisplay,
> -			      data->drm_format,
> -			      DRM_FORMAT_MOD_LINEAR,
> -			      &fb);
> -	igt_assert(fb_id);
> +	primary_w = mode->hdisplay;
> +	primary_h = multiplane ? (mode->vdisplay / 2) : mode->vdisplay;
> +	overlay_w = mode->hdisplay;
> +	overlay_h = primary_h + (mode->vdisplay % 2);
> +	primary_x = 0;
> +	primary_y = 0;
> +	overlay_x = 0;
> +	overlay_y = primary_h;
>   
> -	fb_modeset_id = igt_create_fb(data->drm_fd,
> -				      mode->hdisplay,
> -				      mode->vdisplay,
> -				      data->drm_format,
> -				      DRM_FORMAT_MOD_LINEAR,
> -				      &fb_modeset);
> -	igt_assert(fb_modeset_id);
> +	/* Create a framebuffer at the size of the output. */
> +	fb_id0 = igt_create_fb(data->drm_fd,
> +			       primary_w,
> +			       primary_h,
> +			       data->drm_format,
> +			       DRM_FORMAT_MOD_LINEAR,
> +			       &fb0);
> +	igt_assert(fb_id0);
> +	igt_plane_set_fb(primary, &fb0);
> +	igt_plane_set_position(primary, primary_x, primary_y);
> +
> +	if (multiplane) {
> +		fb_id1 = igt_create_fb(data->drm_fd,
> +				       overlay_w,
> +				       overlay_h,
> +				       data->drm_format_overlay,
> +				       DRM_FORMAT_MOD_LINEAR,
> +				       &fb1);
> +		igt_assert(fb_id1);
> +
> +		igt_plane_set_fb(overlay, &fb1);
> +		igt_plane_set_position(overlay, overlay_x, overlay_y);
> +	}
>   
> -	igt_plane_set_fb(primary, &fb_modeset);
>   	disable_ctm(primary->pipe);
>   	disable_gamma(primary->pipe);
> -	set_degamma(data, primary->pipe, degamma_linear);
> -	igt_display_commit(&data->display);
> +	disable_degamma(primary->pipe);
> +	igt_display_commit2(&data->display, multiplane ? COMMIT_ATOMIC : COMMIT_LEGACY);
>   
> -	/* Draw solid colors with linear degamma transformation. */
> -	paint_rectangles(data, mode, red_green_blue, &fb);
> -	igt_plane_set_fb(primary, &fb);
> -	igt_display_commit(&data->display);
> +	/* Draw solid colors with no degamma transformation. */
> +	paint_rectangles(data, primary_h, primary_w, primary_x, primary_y, red_green_blue, &fb0);
> +	igt_plane_set_fb(primary, &fb0);
> +	igt_plane_set_position(primary, primary_x, primary_y);
> +
> +	if (multiplane) {
> +		paint_rectangles(data, overlay_h, overlay_w, 0, 0, blue_red_green, &fb1);
> +		igt_plane_set_fb(overlay, &fb1);
> +		igt_plane_set_position(overlay, overlay_x, overlay_y);
> +	}
> +
> +	igt_display_commit2(&data->display, multiplane ? COMMIT_ATOMIC : COMMIT_LEGACY);
>   	igt_wait_for_vblank(data->drm_fd,
>   			    display->pipes[primary->pipe->pipe].crtc_offset);
>   	igt_pipe_crc_collect_crc(data->pipe_crc, &crc_fullcolors);
> @@ -87,10 +117,17 @@ static bool test_pipe_degamma(data_t *data,
>   	 * Draw a gradient with degamma LUT to remap all
>   	 * values to max red/green/blue.
>   	 */
> -	paint_gradient_rectangles(data, mode, red_green_blue, &fb);
> -	igt_plane_set_fb(primary, &fb);
> +	paint_gradient_rectangles(data, primary_h, primary_w, primary_x, primary_y, red_green_blue, &fb0);
> +	igt_plane_set_fb(primary, &fb0);
> +	igt_plane_set_position(primary, primary_x, primary_y);
> +
> +	if (multiplane) {
> +		paint_gradient_rectangles(data, overlay_h, overlay_w, 0, 0, blue_red_green, &fb1);
> +		igt_plane_set_fb(overlay, &fb1);
> +		igt_plane_set_position(overlay, overlay_x, overlay_y);
> +	}
>   	set_degamma(data, primary->pipe, degamma_full);
> -	igt_display_commit(&data->display);
> +	igt_display_commit2(&data->display, multiplane ? COMMIT_ATOMIC : COMMIT_LEGACY);
>   	igt_wait_for_vblank(data->drm_fd,
>   			    display->pipes[primary->pipe->pipe].crtc_offset);
>   	igt_pipe_crc_collect_crc(data->pipe_crc, &crc_fullgamma);
> @@ -103,12 +140,14 @@ static bool test_pipe_degamma(data_t *data,
>   
>   	disable_degamma(primary->pipe);
>   	igt_plane_set_fb(primary, NULL);
> +	if (multiplane)
> +		igt_plane_set_fb(overlay, NULL);
>   	igt_output_set_pipe(output, PIPE_NONE);
> -	igt_display_commit(&data->display);
> -	igt_remove_fb(data->drm_fd, &fb);
> -	igt_remove_fb(data->drm_fd, &fb_modeset);
> +	igt_display_commit2(&data->display, multiplane ? COMMIT_ATOMIC : COMMIT_LEGACY);
> +	igt_remove_fb(data->drm_fd, &fb0);
> +	if (multiplane)
> +		igt_remove_fb(data->drm_fd, &fb1);
>   
> -	free_lut(degamma_linear);
>   	free_lut(degamma_full);
>   
>   	return ret;
> @@ -119,7 +158,7 @@ static bool test_pipe_degamma(data_t *data,
>    * LUT and verify we have the same CRC as drawing solid color rectangles.
>    */
>   static bool test_pipe_gamma(data_t *data,
> -			    igt_plane_t *primary)
> +			    igt_plane_t *primary, bool multiplane)
>   {
>   	igt_output_t *output = data->output;
>   	igt_display_t *display = &data->display;
> @@ -166,7 +205,7 @@ static bool test_pipe_gamma(data_t *data,
>   	igt_display_commit(&data->display);
>   
>   	/* Draw solid colors with no gamma transformation. */
> -	paint_rectangles(data, mode, red_green_blue, &fb);
> +	paint_rectangles(data, mode->vdisplay, mode->hdisplay, 0, 0, red_green_blue, &fb);
>   	igt_plane_set_fb(primary, &fb);
>   	igt_display_commit(&data->display);
>   	igt_wait_for_vblank(data->drm_fd,
> @@ -177,7 +216,7 @@ static bool test_pipe_gamma(data_t *data,
>   	 * Draw a gradient with gamma LUT to remap all values
>   	 * to max red/green/blue.
>   	 */
> -	paint_gradient_rectangles(data, mode, red_green_blue, &fb);
> +	paint_gradient_rectangles(data, mode->vdisplay, mode->hdisplay, 0, 0, red_green_blue, &fb);
>   	igt_plane_set_fb(primary, &fb);
>   	igt_display_commit(&data->display);
>   	igt_wait_for_vblank(data->drm_fd,
> @@ -208,7 +247,7 @@ static bool test_pipe_gamma(data_t *data,
>    * with linear legacy gamma LUT.
>    */
>   static bool test_pipe_legacy_gamma(data_t *data,
> -				   igt_plane_t *primary)
> +				   igt_plane_t *primary, bool multiplane)
>   {
>   	igt_output_t *output = data->output;
>   	igt_display_t *display = &data->display;
> @@ -261,7 +300,7 @@ static bool test_pipe_legacy_gamma(data_t *data,
>   	igt_display_commit(&data->display);
>   
>   	/* Draw solid colors with no gamma transformation. */
> -	paint_rectangles(data, mode, red_green_blue, &fb);
> +	paint_rectangles(data, mode->vdisplay, mode->hdisplay, 0, 0, red_green_blue, &fb);
>   	igt_plane_set_fb(primary, &fb);
>   	igt_display_commit(&data->display);
>   	igt_wait_for_vblank(data->drm_fd,
> @@ -272,7 +311,7 @@ static bool test_pipe_legacy_gamma(data_t *data,
>   	 * Draw a gradient with gamma LUT to remap all values
>   	 * to max red/green/blue.
>   	 */
> -	paint_gradient_rectangles(data, mode, red_green_blue, &fb);
> +	paint_rectangles(data, mode->vdisplay, mode->hdisplay, 0, 0, red_green_blue, &fb);
>   	igt_plane_set_fb(primary, &fb);
>   
>   	red_lut[0] = green_lut[0] = blue_lut[0] = 0;
> @@ -317,7 +356,7 @@ static bool test_pipe_legacy_gamma(data_t *data,
>    * through the GAMMA_LUT property.
>    */
>   static bool test_pipe_legacy_gamma_reset(data_t *data,
> -					 igt_plane_t *primary)
> +					 igt_plane_t *primary, bool multiplane)
>   {
>   	const double ctm_identity[] = {
>   		1.0, 0.0, 0.0,
> @@ -513,7 +552,7 @@ static bool test_pipe_ctm(data_t *data,
>   	disable_ctm(primary->pipe);
>   	igt_display_commit(&data->display);
>   
> -	paint_rectangles(data, mode, after, &fb);
> +	paint_rectangles(data, mode->vdisplay, mode->hdisplay, 0, 0, after, &fb);
>   	igt_plane_set_fb(primary, &fb);
>   	set_ctm(primary->pipe, ctm_identity);
>   	igt_display_commit(&data->display);
> @@ -522,7 +561,7 @@ static bool test_pipe_ctm(data_t *data,
>   	igt_pipe_crc_collect_crc(data->pipe_crc, &crc_software);
>   
>   	/* With CTM transformation. */
> -	paint_rectangles(data, mode, before, &fb);
> +	paint_rectangles(data, mode->vdisplay, mode->hdisplay, 0, 0, before, &fb);
>   	igt_plane_set_fb(primary, &fb);
>   	set_ctm(primary->pipe, ctm_matrix);
>   	igt_display_commit(&data->display);
> @@ -709,9 +748,12 @@ static void test_cleanup(data_t *data)
>   }
>   
>   static void
> -run_gamma_degamma_tests_for_pipe(data_t *data, enum pipe p,
> -				 bool (*test_t)(data_t*, igt_plane_t*))
> +run_gamma_degamma_tests_for_pipe(data_t *data, enum pipe p, bool multiplane,
> +				 bool (*test_t)(data_t*, igt_plane_t*, bool))
>   {
> +	igt_plane_t *overlay;
> +	int count;

Please initialize to 0.

> +
>   	test_setup(data, p);
>   
>   	/*
> @@ -722,8 +764,25 @@ run_gamma_degamma_tests_for_pipe(data_t *data, enum pipe p,
>   	data->drm_format = DRM_FORMAT_XRGB8888;
>   	data->mode = igt_output_get_mode(data->output);
>   
> +	if (multiplane) {
> +		for_each_plane_on_pipe(&data->display, p, overlay) {
> +			if (overlay->type == DRM_PLANE_TYPE_PRIMARY ||
> +			    overlay->type == DRM_PLANE_TYPE_CURSOR)

As you are looking for overlay plane, continue if it is not found.
So update the logic as:

if (overlay->type != DRM_PLANE_TYPE_OVERLAY)
	continue;

> +				continue;
> +
> +			if (igt_plane_has_format_mod(overlay, DRM_FORMAT_NV12, DRM_FORMAT_MOD_LINEAR)) {
> +				count++;
> +				break;
> +			}
> +		}
> +	}
> +	igt_require_f(count, "No valid planes found.\n");

This check is required for multiplane only, so please move this check to 
inside the "if (multiplane) {}"

> +
> +	data->overlay = overlay;
> +	data->drm_format_overlay = DRM_FORMAT_NV12;
> +
>   	igt_dynamic_f("pipe-%s-%s", kmstest_pipe_name(p), data->output->name)
> -		igt_assert(test_t(data, data->primary));
> +		igt_assert(test_t(data, data->primary, multiplane));
>   
>   	test_cleanup(data);
>   }
> @@ -838,7 +897,7 @@ run_deep_color_tests_for_pipe(data_t *data, enum pipe p)
>   			igt_display_reset(&data->display);
>   			igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, 10);
>   
> -			ret = test_pipe_gamma(data, data->primary);
> +			ret = test_pipe_gamma(data, data->primary, false);
>   
>   			igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, max_bpc);
>   			igt_assert(ret);
> @@ -848,7 +907,7 @@ run_deep_color_tests_for_pipe(data_t *data, enum pipe p)
>   			igt_display_reset(&data->display);
>   			igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, 10);
>   
> -			ret = test_pipe_degamma(data, data->primary);
> +			ret = test_pipe_degamma(data, data->primary, false);
>   
>   			igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, max_bpc);
>   			igt_assert(ret);
> @@ -913,19 +972,23 @@ run_tests_for_pipe(data_t *data)
>   	enum pipe pipe;
>   	struct {
>   		const char *name;
> -		bool (*test_t)(data_t*, igt_plane_t*);
> +		bool (*test_t)(data_t*, igt_plane_t*, bool);
> +		bool multiplane;
>   		const char *desc;
>   	} gamma_degamma_tests[] = {
> -		{ "degamma", test_pipe_degamma,
> +		{ "degamma", test_pipe_degamma, false,
>   		  "Verify that degamma LUT transformation works correctly" },
>   
> -		{ "gamma", test_pipe_gamma,
> +		{ "degamma-multiplane", test_pipe_degamma, true,
> +		  "Verify that degamma LUT transformation works correctly for multiplane" },
> +
> +		{ "gamma", test_pipe_gamma, false,
>   		  "Verify that gamma LUT transformation works correctly" },
>   
> -		{ "legacy-gamma", test_pipe_legacy_gamma,
> +		{ "legacy-gamma", test_pipe_legacy_gamma, false,
>   		  "Verify that legacy gamma LUT transformation works correctly" },
>   
> -		{ "legacy-gamma-reset", test_pipe_legacy_gamma_reset,
> +		{ "legacy-gamma-reset", test_pipe_legacy_gamma_reset, false,
>   		  "Verify that setting the legacy gamma LUT resets the gamma LUT set through GAMMA_LUT property" },
>   	};
>   	struct {
> @@ -1007,8 +1070,14 @@ run_tests_for_pipe(data_t *data)
>   	for (i = 0; i < ARRAY_SIZE(gamma_degamma_tests); i++) {
>   		igt_describe_f("%s", gamma_degamma_tests[i].desc);
>   		igt_subtest_with_dynamic_f("%s", gamma_degamma_tests[i].name) {
> +			if (gamma_degamma_tests[i].multiplane &&
> +			    (!data->display.is_atomic ||
> +			     !igt_display_has_format_mod(&data->display, DRM_FORMAT_NV12, DRM_FORMAT_MOD_LINEAR)))
> +			    continue;
> +
>   			for_each_pipe(&data->display, pipe) {
>   				run_gamma_degamma_tests_for_pipe(data, pipe,
> +								 gamma_degamma_tests[i].multiplane,
>   								 gamma_degamma_tests[i].test_t);
>   			}
>   		}



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