[igt-dev] [i-g-t V7 1/2] tests/kms_color: Convert tests to dynamic

Kamil Konieczny kamil.konieczny at linux.intel.com
Wed Jun 29 05:59:07 UTC 2022


Hi Bhanuprakash,

On 2022-06-28 at 18:43:40 +0530, Bhanuprakash Modem wrote:
> Convert the existing subtests to dynamic subtests at pipe level.
> 
> V2:
> * Fix nested igt_fixture in igt_subtest
> V3:
> * Fix to not dereferencing a NULL pointer
> V4:
> * Add output name to subtest
> V5:
> * Rebase
> V6:
> * Fix typos in test description
> 
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> ---
>  tests/kms_color.c        | 548 +++++++++++++++++++++------------------
>  tests/kms_color_helper.h |   1 +
>  2 files changed, 290 insertions(+), 259 deletions(-)
> 
> diff --git a/tests/kms_color.c b/tests/kms_color.c
> index ba06947b..3629ae44 100644
> --- a/tests/kms_color.c
> +++ b/tests/kms_color.c
> @@ -203,7 +203,7 @@ static bool test_pipe_gamma(data_t *data,
>   * gamma LUT and verify we have the same CRC as drawing solid color rectangles
>   * with linear legacy gamma LUT.
>   */
> -static void test_pipe_legacy_gamma(data_t *data,
> +static bool test_pipe_legacy_gamma(data_t *data,
>  				   igt_plane_t *primary)
>  {
>  	igt_output_t *output;
> @@ -220,6 +220,7 @@ static void test_pipe_legacy_gamma(data_t *data,
>  	struct igt_fb fb_modeset, fb;
>  	igt_crc_t crc_fullgamma, crc_fullcolors;
>  	int fb_id, fb_modeset_id;
> +	bool ret;
>  
>  	kms_crtc = drmModeGetCrtc(data->drm_fd, primary->pipe->crtc_id);
>  	legacy_lut_size = kms_crtc->gamma_size;
> @@ -285,7 +286,7 @@ static void test_pipe_legacy_gamma(data_t *data,
>  	/* Verify that the CRC of the software computed output is
>  	 * equal to the CRC of the gamma LUT transformation output.
>  	 */
> -	igt_assert_crc_equal(&crc_fullgamma, &crc_fullcolors);
> +	ret = !igt_skip_crc_compare || igt_check_crc_equal(&crc_fullgamma, &crc_fullcolors);
>  
>  	/* Reset output. */
>  	for (i = 1; i < legacy_lut_size; i++)
> @@ -303,13 +304,15 @@ static void test_pipe_legacy_gamma(data_t *data,
>  	free(red_lut);
>  	free(green_lut);
>  	free(blue_lut);
> +
> +	return ret;
>  }
>  
>  /*
>   * Verify that setting the legacy gamma LUT resets the gamma LUT set
>   * through the GAMMA_LUT property.
>   */
> -static void test_pipe_legacy_gamma_reset(data_t *data,
> +static bool test_pipe_legacy_gamma_reset(data_t *data,
>  					 igt_plane_t *primary)
>  {
>  	const double ctm_identity[] = {
> @@ -324,6 +327,7 @@ static void test_pipe_legacy_gamma_reset(data_t *data,
>  	struct drm_color_lut *lut;
>  	drmModePropertyBlobPtr blob;
>  	igt_output_t *output;
> +	bool ret = true;
>  
>  	igt_require(igt_pipe_obj_has_prop(primary->pipe, IGT_CRTC_GAMMA_LUT));
>  
> @@ -373,10 +377,12 @@ static void test_pipe_legacy_gamma_reset(data_t *data,
>  				    data->gamma_lut_size));
>  	lut = (struct drm_color_lut *) blob->data;
>  	for (i = 0; i < data->gamma_lut_size; i++)
> -		igt_assert(lut[i].red == 0 &&
> +		ret &=(lut[i].red == 0 &&
>  			   lut[i].green == 0 &&
>  			   lut[i].blue == 0);
>  	drmModeFreePropertyBlob(blob);
> +	if(!ret)
> +		goto end;
>  
>  	/* Set a gamma LUT using the legacy ioctl and verify
>  	 * the content of the GAMMA_LUT property is changed
> @@ -411,7 +417,7 @@ static void test_pipe_legacy_gamma_reset(data_t *data,
>  				    legacy_lut_size));
>  	lut = (struct drm_color_lut *) blob->data;
>  	for (i = 0; i < legacy_lut_size; i++)
> -		igt_assert(lut[i].red == 0xffff &&
> +		ret &= (lut[i].red == 0xffff &&
>  			   lut[i].green == 0xffff &&
>  			   lut[i].blue == 0xffff);
>  	drmModeFreePropertyBlob(blob);
> @@ -421,6 +427,8 @@ static void test_pipe_legacy_gamma_reset(data_t *data,
>  
>  	free_lut(degamma_linear);
>  	free_lut(gamma_zero);
> +end:
> +	return ret;
>  }
>  
>  /*
> @@ -677,130 +685,91 @@ prep_pipe(data_t *data, enum pipe p)
>  	}
>  }
>  
> -static void
> -run_tests_for_pipe(data_t *data, enum pipe p)
> +static void test_setup(data_t *data, enum pipe p)
>  {
>  	igt_pipe_t *pipe;
> -	igt_plane_t *primary;
> -	double delta;
> -	int i;
> -	color_t red_green_blue[] = {
> -		{ 1.0, 0.0, 0.0 },
> -		{ 0.0, 1.0, 0.0 },
> -		{ 0.0, 0.0, 1.0 }
> -	};
>  
> -	igt_fixture {
> -		prep_pipe(data, p);
> +	prep_pipe(data, p);
> +	igt_require_pipe_crc(data->drm_fd);
>  
> -		igt_require_pipe_crc(data->drm_fd);
> +	pipe = &data->display.pipes[p];
> +	igt_require(pipe->n_planes >= 0);
>  
> -		pipe = &data->display.pipes[p];
> -		igt_require(pipe->n_planes >= 0);
> +	data->primary = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
> +	data->pipe_crc = igt_pipe_crc_new(data->drm_fd,
> +					  data->primary->pipe->pipe,
> +					  INTEL_PIPE_CRC_SOURCE_AUTO);
>  
> -		primary = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
> +	igt_display_require_output_on_pipe(&data->display, p);
> +	data->output = igt_get_single_output_for_pipe(&data->display, p);
> +	igt_require(data->output);
> +}
>  
> -		data->pipe_crc = igt_pipe_crc_new(data->drm_fd,
> -						  primary->pipe->pipe,
> -						  INTEL_PIPE_CRC_SOURCE_AUTO);
> +static void test_cleanup(data_t *data)
> +{
> +	igt_plane_t *primary = data->primary;
>  
> -		igt_display_require_output_on_pipe(&data->display, p);
> -		data->output = igt_get_single_output_for_pipe(&data->display, p);
> -		igt_require(data->output);
> -	}
> +	disable_degamma(primary->pipe);
> +	disable_gamma(primary->pipe);
> +	disable_ctm(primary->pipe);
> +	igt_display_commit(&data->display);
> +
> +	igt_pipe_crc_free(data->pipe_crc);
> +	data->pipe_crc = NULL;
> +}
> +
> +static void
> +run_gamma_degamma_tests_for_pipe(data_t *data, enum pipe p,
> +				 bool (*test_t)(data_t*, igt_plane_t*))
> +{
> +	test_setup(data, p);
>  
>  	/* We assume an 8bits depth per color for degamma/gamma LUTs
>  	 * for CRC checks with framebuffer references. */
>  	data->color_depth = 8;
> -	delta = 1.0 / (1 << data->color_depth);
>  	data->drm_format = DRM_FORMAT_XRGB8888;
>  
> -	igt_describe("Check the color transformation from red to blue");
> -	igt_subtest_f("pipe-%s-ctm-red-to-blue", kmstest_pipe_name(p)) {
> -		color_t blue_green_blue[] = {
> -			{ 0.0, 0.0, 1.0 },
> -			{ 0.0, 1.0, 0.0 },
> -			{ 0.0, 0.0, 1.0 }
> -		};
> -		double ctm[] = { 0.0, 0.0, 0.0,
> -				0.0, 1.0, 0.0,
> -				1.0, 0.0, 1.0 };
> -		igt_assert(test_pipe_ctm(data, primary, red_green_blue,
> -					 blue_green_blue, ctm));
> -	}
> +	igt_dynamic_f("pipe-%s-%s", kmstest_pipe_name(p), data->output->name)
> +		igt_assert(test_t(data, data->primary));
>  
> -	igt_describe("Check the color transformation from green to red");
> -	igt_subtest_f("pipe-%s-ctm-green-to-red", kmstest_pipe_name(p)) {
> -		color_t red_red_blue[] = {
> -			{ 1.0, 0.0, 0.0 },
> -			{ 1.0, 0.0, 0.0 },
> -			{ 0.0, 0.0, 1.0 }
> -		};
> -		double ctm[] = { 1.0, 1.0, 0.0,
> -				0.0, 0.0, 0.0,
> -				0.0, 0.0, 1.0 };
> -		igt_assert(test_pipe_ctm(data, primary, red_green_blue,
> -					 red_red_blue, ctm));
> -	}
> +	test_cleanup(data);
> +}
>  
> -	igt_describe("Check the color transformation from blue to red");
> -	igt_subtest_f("pipe-%s-ctm-blue-to-red", kmstest_pipe_name(p)) {
> -		color_t red_green_red[] = {
> -			{ 1.0, 0.0, 0.0 },
> -			{ 0.0, 1.0, 0.0 },
> -			{ 1.0, 0.0, 0.0 }
> -		};
> -		double ctm[] = { 1.0, 0.0, 1.0,
> -				0.0, 1.0, 0.0,
> -				0.0, 0.0, 0.0 };
> -		igt_assert(test_pipe_ctm(data, primary, red_green_blue,
> -					 red_green_red, ctm));
> -	}
> +static void
> +run_ctm_tests_for_pipe(data_t *data, enum pipe p,
> +		       color_t *expected_colors,
> +		       double *ctm,
> +		       int iter)
> +{
> +	double delta;
> +	color_t red_green_blue[] = {
> +		{ 1.0, 0.0, 0.0 },
> +		{ 0.0, 1.0, 0.0 },
> +		{ 0.0, 0.0, 1.0 }
> +	};
>  
> -	/* We tests a few values around the expected result because
> -	 * the it depends on the hardware we're dealing with, we can
---------- ^
> -	 * either get clamped or rounded values and we also need to
> -	 * account for odd number of items in the LUTs. */

May you keep this comment ? It is describing _why_ we do this,
imho we can keep this. If you agree, small correction: s/the//
and I prefer multiline comments to start with:
/*
 * a multiline
 * comment here
 */

Regards,
Kamil

> -	igt_describe("Check the color transformation for 0.25 transparency");
> -	igt_subtest_f("pipe-%s-ctm-0-25", kmstest_pipe_name(p)) {
> -		color_t expected_colors[] = {
> -			{ 0.0, }, { 0.0, }, { 0.0, }
> -		};
> -		double ctm[] = { 0.25, 0.0,  0.0,
> -				 0.0,  0.25, 0.0,
> -				 0.0,  0.0,  0.25 };
> -		bool success = false;
> +	test_setup(data, p);
>  
> -		for (i = 0; i < 5; i++) {
> -			expected_colors[0].r =
> -				expected_colors[1].g =
> -				expected_colors[2].b =
> -				0.25 + delta * (i - 2);
> -			if (test_pipe_ctm(data, primary, red_green_blue,
> -					  expected_colors, ctm)) {
> -				success = true;
> -				break;
> -			}
> -		}
> -		igt_assert(success);
> -	}
> +	/* We assume an 8bits depth per color for degamma/gamma LUTs
> +	 * for CRC checks with framebuffer references. */
> +	data->color_depth = 8;
> +	delta = 1.0 / (1 << data->color_depth);
> +	data->drm_format = DRM_FORMAT_XRGB8888;
>  
> -	igt_describe("Check the color transformation for 0.5 transparency");
> -	igt_subtest_f("pipe-%s-ctm-0-5", kmstest_pipe_name(p)) {
> -		color_t expected_colors[] = {
> -			{ 0.0, }, { 0.0, }, { 0.0, }
> -		};
> -		double ctm[] = { 0.5, 0.0, 0.0,
> -				 0.0, 0.5, 0.0,
> -				 0.0, 0.0, 0.5 };
> +	igt_dynamic_f("pipe-%s-%s", kmstest_pipe_name(p), data->output->name) {
>  		bool success = false;
> +		int i;
> +
> +		if (!iter)
> +			success = test_pipe_ctm(data, data->primary, red_green_blue,
> +						expected_colors, ctm);
>  
> -		for (i = 0; i < 5; i++) {
> +		for (i = 0; i < iter; i++) {
>  			expected_colors[0].r =
>  				expected_colors[1].g =
>  				expected_colors[2].b =
>  				0.5 + delta * (i - 2);
> -			if (test_pipe_ctm(data, primary, red_green_blue,
> +			if (test_pipe_ctm(data, data->primary, red_green_blue,
>  					  expected_colors, ctm)) {
>  				success = true;
>  				break;
> @@ -809,186 +778,249 @@ run_tests_for_pipe(data_t *data, enum pipe p)
>  		igt_assert(success);
>  	}
>  
> -	igt_describe("Check the color transformation for 0.75 transparency");
> -	igt_subtest_f("pipe-%s-ctm-0-75", kmstest_pipe_name(p)) {
> -		color_t expected_colors[] = {
> -			{ 0.0, }, { 0.0, }, { 0.0, }
> -		};
> -		double ctm[] = { 0.75, 0.0,  0.0,
> -				 0.0,  0.75, 0.0,
> -				 0.0,  0.0,  0.75 };
> -		bool success = false;
> -
> -		for (i = 0; i < 7; i++) {
> -			expected_colors[0].r =
> -				expected_colors[1].g =
> -				expected_colors[2].b =
> -				0.75 + delta * (i - 3);
> -			if (test_pipe_ctm(data, primary, red_green_blue,
> -						expected_colors, ctm)) {
> -				success = true;
> -				break;
> -			}
> -		}
> -		igt_assert(success);
> -	}
> +	test_cleanup(data);
> +}
>  
> -	igt_describe("Check the color transformation for maximum transparency");
> -	igt_subtest_f("pipe-%s-ctm-max", kmstest_pipe_name(p)) {
> -		color_t full_rgb[] = {
> -			{ 1.0, 0.0, 0.0 },
> -			{ 0.0, 1.0, 0.0 },
> -			{ 0.0, 0.0, 1.0 }
> -		};
> -		double ctm[] = { 100.0,   0.0,   0.0,
> -				 0.0,   100.0,   0.0,
> -				 0.0,     0.0, 100.0 };
> -
> -		/* CherryView generates values on 10bits that we
> -		 * produce with an 8 bits per color framebuffer. */
> -		igt_require(!IS_CHERRYVIEW(data->devid));
> -
> -		igt_assert(test_pipe_ctm(data, primary, red_green_blue,
> -					 full_rgb, ctm));
> -	}
> +static void
> +run_deep_color_tests_for_pipe(data_t *data, enum pipe p)
> +{
> +	igt_output_t *output;
> +	color_t blue_green_blue[] = {
> +		{ 0.0, 0.0, 1.0 },
> +		{ 0.0, 1.0, 0.0 },
> +		{ 0.0, 0.0, 1.0 }
> +	};
> +	color_t red_green_blue[] = {
> +		{ 1.0, 0.0, 0.0 },
> +		{ 0.0, 1.0, 0.0 },
> +		{ 0.0, 0.0, 1.0 }
> +	};
> +	double ctm[] = { 0.0, 0.0, 0.0,
> +			 0.0, 1.0, 0.0,
> +			 1.0, 0.0, 1.0 };
>  
> -	igt_describe("Check the color transformation for negative transparency");
> -	igt_subtest_f("pipe-%s-ctm-negative", kmstest_pipe_name(p)) {
> -		color_t all_black[] = {
> -			{ 0.0, 0.0, 0.0 },
> -			{ 0.0, 0.0, 0.0 },
> -			{ 0.0, 0.0, 0.0 }
> -		};
> -		double ctm[] = { -1.0,  0.0,  0.0,
> -				 0.0, -1.0,  0.0,
> -				 0.0,  0.0, -1.0 };
> -		igt_assert(test_pipe_ctm(data, primary, red_green_blue,
> -					 all_black, ctm));
> -	}
> +	if (is_i915_device(data->drm_fd))
> +		igt_require_f((intel_display_ver(data->devid) >= 11),
> +				"At least GEN 11 is required to validate Deep-color.\n");
>  
> -#if 0
> -	igt_subtest_f("pipe-%s-ctm-limited-range", kmstest_pipe_name(p))
> -		test_pipe_limited_range_ctm(data, primary);
> -#endif
> +	test_setup(data, p);
>  
> -	igt_describe("Verify that degamma LUT transformation works correctly");
> -	igt_subtest_f("pipe-%s-degamma", kmstest_pipe_name(p))
> -		igt_assert(test_pipe_degamma(data, primary));
> +	for_each_valid_output_on_pipe(&data->display, p, output) {
> +		uint64_t max_bpc = get_max_bpc(output);
> +		bool ret;
>  
> -	igt_describe("Verify that gamma LUT transformation works correctly");
> -	igt_subtest_f("pipe-%s-gamma", kmstest_pipe_name(p))
> -		igt_assert(test_pipe_gamma(data, primary));
> +		if (!max_bpc)
> +			continue;
>  
> -	igt_describe("Verify that legacy gamma LUT transformation works correctly");
> -	igt_subtest_f("pipe-%s-legacy-gamma", kmstest_pipe_name(p))
> -		test_pipe_legacy_gamma(data, primary);
> +		if (!panel_supports_deep_color(data->drm_fd, output->name))
> +			continue;
>  
> -	igt_describe("Verify that setting the legacy gamma LUT resets the gamma LUT set through "
> -			"GAMMA_LUT property");
> -	igt_subtest_f("pipe-%s-legacy-gamma-reset", kmstest_pipe_name(p))
> -		test_pipe_legacy_gamma_reset(data, primary);
> +		data->color_depth = 10;
> +		data->drm_format = DRM_FORMAT_XRGB2101010;
> +		data->output = output;
> +		igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, 10);
> +		igt_output_set_pipe(output, p);
> +		igt_display_commit_atomic(&data->display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
>  
> -	igt_fixture
> -		igt_require(data->display.is_atomic);
> +		if (is_i915_device(data->drm_fd) &&
> +		    !i915_clock_constraint(data, p, 10))
> +			continue;
>  
> -	igt_describe("Verify that deep color works correctly");
> -	igt_subtest_with_dynamic_f("pipe-%s-deep-color", kmstest_pipe_name(p)) {
> -		igt_output_t *output;
> -		color_t blue_green_blue[] = {
> -			{ 0.0, 0.0, 1.0 },
> -			{ 0.0, 1.0, 0.0 },
> -			{ 0.0, 0.0, 1.0 }
> -		};
> -		double ctm[] = { 0.0, 0.0, 0.0,
> -				0.0, 1.0, 0.0,
> -				1.0, 0.0, 1.0 };
> -
> -		if (is_i915_device(data->drm_fd))
> -			igt_require_f((intel_display_ver(data->devid) >= 11),
> -					"At least GEN 11 is required to validate Deep-color.\n");
> -
> -		for_each_valid_output_on_pipe(&data->display, p, output) {
> -			uint64_t max_bpc = get_max_bpc(output);
> -			bool ret;
> -
> -			if (!max_bpc)
> -				continue;
> -
> -			if (!panel_supports_deep_color(data->drm_fd, output->name))
> -				continue;
> -
> -			data->color_depth = 10;
> -			data->drm_format = DRM_FORMAT_XRGB2101010;
> -			data->output = output;
> -			igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, 10);
> -			igt_output_set_pipe(output, p);
> -			igt_display_commit_atomic(&data->display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> -
> -			if (is_i915_device(data->drm_fd) &&
> -			    !i915_clock_constraint(data, p, 10))
> -				continue;
> -
> -			igt_dynamic_f("gamma-%s", output->name) {
> -				ret = test_pipe_gamma(data, primary);
> -
> -				igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, max_bpc);
> -				igt_assert(ret);
> -			}
> +		igt_dynamic_f("pipe-%s-%s-gamma", kmstest_pipe_name(p), output->name) {
> +			ret = test_pipe_gamma(data, data->primary);
>  
> -			igt_dynamic_f("degamma-%s", output->name) {
> -				ret = test_pipe_degamma(data, primary);
> +			igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, max_bpc);
> +			igt_assert(ret);
> +		}
>  
> -				igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, max_bpc);
> -				igt_assert(ret);
> -			}
> +		igt_dynamic_f("pipe-%s-%s-degamma", kmstest_pipe_name(p), output->name) {
> +			ret = test_pipe_degamma(data, data->primary);
>  
> -			igt_dynamic_f("ctm-%s", output->name) {
> -				ret = test_pipe_ctm(data, primary,
> -						    red_green_blue,
> -						    blue_green_blue, ctm);
> +			igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, max_bpc);
> +			igt_assert(ret);
> +		}
>  
> -				igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, max_bpc);
> -				igt_assert(ret);
> -			}
> +		igt_dynamic_f("pipe-%s-%s-ctm", kmstest_pipe_name(p), output->name) {
> +			ret = test_pipe_ctm(data, data->primary,
> +					    red_green_blue,
> +					    blue_green_blue, ctm);
>  
> -			break;
> +			igt_output_set_prop_value(output, IGT_CONNECTOR_MAX_BPC, max_bpc);
> +			igt_assert(ret);
>  		}
> +
> +		break;
>  	}
>  
> -	igt_fixture {
> -		disable_degamma(primary->pipe);
> -		disable_gamma(primary->pipe);
> -		disable_ctm(primary->pipe);
> -		igt_display_commit(&data->display);
> +	test_cleanup(data);
> +}
> +
> +static void
> +run_invalid_tests_for_pipe(data_t *data)
> +{
> +	enum pipe pipe;
> +	struct {
> +		const char *name;
> +		void (*test_t) (data_t *data, enum pipe pipe);
> +		const char *desc;
> +	} tests[] = {
> +		{ "invalid-gamma-lut-sizes", invalid_gamma_lut_sizes,
> +			"Negative check for invalid gamma lut sizes" },
> +
> +		{ "invalid-degamma-lut-sizes", invalid_degamma_lut_sizes,
> +			"Negative check for invalid degamma lut sizes" },
> +
> +		{ "invalid-ctm-matrix-sizes", invalid_ctm_matrix_sizes,
> +			"Negative check for color tranformation matrix sizes" },
> +	};
> +	int i;
>  
> -		igt_pipe_crc_free(data->pipe_crc);
> -		data->pipe_crc = NULL;
> +	for (i = 0; i < ARRAY_SIZE(tests); i++) {
> +		igt_describe_f("%s", tests[i].desc);
> +		igt_subtest_with_dynamic_f("%s", tests[i].name) {
> +			for_each_pipe(&data->display, pipe) {
> +				prep_pipe(data, pipe);
> +
> +				igt_dynamic_f("pipe-%s", kmstest_pipe_name(pipe))
> +					tests[i].test_t(data, pipe);
> +			}
> +		}
>  	}
>  }
>  
>  static void
> -run_invalid_tests_for_pipe(data_t *data, enum pipe p)
> +run_tests_for_pipe(data_t *data)
>  {
> -	igt_fixture
> -		prep_pipe(data, p);
> +	enum pipe pipe;
> +	struct {
> +		const char *name;
> +		bool (*test_t)(data_t*, igt_plane_t*);
> +		const char *desc;
> +	} gamma_degamma_tests[] = {
> +		{ "degamma", test_pipe_degamma,
> +		  "Verify that degamma LUT transformation works correctly" },
> +
> +		{ "gamma", test_pipe_gamma,
> +		  "Verify that gamma LUT transformation works correctly" },
> +
> +		{ "legacy-gamma", test_pipe_legacy_gamma,
> +		  "Verify that legacy gamma LUT transformation works correctly" },
> +
> +		{ "legacy-gamma-reset", test_pipe_legacy_gamma_reset,
> +		  "Verify that setting the legacy gamma LUT resets the gamma LUT set through GAMMA_LUT property" },
> +	};
> +	struct {
> +		const char *name;
> +		int iter;
> +		color_t colors[3];
> +		double ctm[9];
> +		const char *desc;
> +	} ctm_tests[] = {
> +		{ "ctm-red-to-blue", 0,
> +			{{ 0.0, 0.0, 1.0 },
> +			 { 0.0, 1.0, 0.0 },
> +			 { 0.0, 0.0, 1.0 }},
> +		  { 0.0, 0.0, 0.0,
> +		    0.0, 1.0, 0.0,
> +		    1.0, 0.0, 1.0 },
> +		  "Check the color transformation from red to blue"
> +		},
> +		{ "ctm-green-to-red", 0,
> +			{{ 1.0, 0.0, 0.0 },
> +			 { 1.0, 0.0, 0.0 },
> +			 { 0.0, 0.0, 1.0 }},
> +		  { 1.0, 1.0, 0.0,
> +		    0.0, 0.0, 0.0,
> +		    0.0, 0.0, 1.0 },
> +		  "Check the color transformation from green to red"
> +		},
> +		{ "ctm-blue-to-red", 0,
> +			{{ 1.0, 0.0, 0.0 },
> +			 { 0.0, 1.0, 0.0 },
> +			 { 1.0, 0.0, 0.0 }},
> +		  { 1.0, 0.0, 1.0,
> +		    0.0, 1.0, 0.0,
> +		    0.0, 0.0, 0.0 },
> +		  "Check the color transformation from blue to red"
> +		},
> +		{ "ctm-max", 0,
> +			{{ 1.0, 0.0, 0.0 },
> +			 { 0.0, 1.0, 0.0 },
> +			 { 0.0, 0.0, 1.0 }},
> +		  { 100.0, 0.0, 0.0,
> +		    0.0, 100.0, 0.0,
> +		    0.0, 0.0, 100.0 },
> +		  "Check the color transformation for maximum transparency"
> +		},
> +		{ "ctm-negative", 0,
> +			{{ 0.0, 0.0, 0.0 },
> +			 { 0.0, 0.0, 0.0 },
> +			 { 0.0, 0.0, 0.0 }},
> +		  { -1.0, 0.0, 0.0,
> +		    0.0, -1.0, 0.0,
> +		    0.0, 0.0, -1.0 },
> +		  "Check the color transformation for negative transparency"
> +		},
> +		{ "ctm-0-25", 5,
> +			{{ 0.0, }, { 0.0, }, { 0.0, }},
> +		  { 0.25, 0.0,  0.0,
> +		    0.0,  0.25, 0.0,
> +		    0.0,  0.0,  0.25 },
> +		  "Check the color transformation for 0.25 transparency"
> +		},
> +		{ "ctm-0-50", 5,
> +			{{ 0.0, }, { 0.0, }, { 0.0, }},
> +		  { 0.5,  0.0,  0.0,
> +		    0.0,  0.5,  0.0,
> +		    0.0,  0.0,  0.5 },
> +		  "Check the color transformation for 0.5 transparency"
> +		},
> +		{ "ctm-0-75", 7,
> +			{{ 0.0, }, { 0.0, }, { 0.0, }},
> +		  { 0.75, 0.0,  0.0,
> +		    0.0,  0.75, 0.0,
> +		    0.0,  0.0,  0.75 },
> +		  "Check the color transformation for 0.75 transparency"
> +		},
> +	};
> +	int i;
> +
> +	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) {
> +			for_each_pipe(&data->display, pipe) {
> +				run_gamma_degamma_tests_for_pipe(data, pipe,
> +								 gamma_degamma_tests[i].test_t);
> +			}
> +		}
> +	}
>  
> -	igt_describe("Negative check for invalid gamma lut sizes");
> -	igt_subtest_f("pipe-%s-invalid-gamma-lut-sizes", kmstest_pipe_name(p))
> -		invalid_gamma_lut_sizes(data, p);
> +	for (i = 0; i < ARRAY_SIZE(ctm_tests); i++) {
> +		igt_describe_f("%s", ctm_tests[i].desc);
> +		igt_subtest_with_dynamic_f("%s", ctm_tests[i].name) {
> +			for_each_pipe(&data->display, pipe) {
> +				run_ctm_tests_for_pipe(data, pipe,
> +						       ctm_tests[i].colors,
> +						       ctm_tests[i].ctm,
> +						       ctm_tests[i].iter);
> +			}
> +		}
> +	}
>  
> -	igt_describe("Negative check for invalid degamma lut sizes");
> -	igt_subtest_f("pipe-%s-invalid-degamma-lut-sizes", kmstest_pipe_name(p))
> -		invalid_degamma_lut_sizes(data, p);
> +	igt_fixture
> +		igt_require(data->display.is_atomic);
>  
> -	igt_describe("Negative check for color tranformation matrix sizes");
> -	igt_subtest_f("pipe-%s-invalid-ctm-matrix-sizes", kmstest_pipe_name(p))
> -		invalid_ctm_matrix_sizes(data, p);
> +	igt_describe("Verify that deep color works correctly");
> +	igt_subtest_with_dynamic("deep-color") {
> +		for_each_pipe(&data->display, pipe) {
> +			run_deep_color_tests_for_pipe(data, pipe);
> +		}
> +	}
>  }
>  
>  igt_main
>  {
>  	data_t data = {};
> -	enum pipe pipe;
>  
>  	igt_fixture {
>  		data.drm_fd = drm_open_driver_master(DRIVER_ANY);
> @@ -999,13 +1031,11 @@ igt_main
>  		igt_display_require(&data.display, data.drm_fd);
>  	}
>  
> -	for_each_pipe_static(pipe) {
> -		igt_subtest_group
> -			run_tests_for_pipe(&data, pipe);
> +	igt_subtest_group
> +		run_tests_for_pipe(&data);
>  
> -		igt_subtest_group
> -			run_invalid_tests_for_pipe(&data, pipe);
> -	}
> +	igt_subtest_group
> +		run_invalid_tests_for_pipe(&data);
>  
>  	igt_fixture {
>  		igt_display_fini(&data.display);
> diff --git a/tests/kms_color_helper.h b/tests/kms_color_helper.h
> index cc07f5ee..2ea15bcd 100644
> --- a/tests/kms_color_helper.h
> +++ b/tests/kms_color_helper.h
> @@ -50,6 +50,7 @@ typedef struct {
>  	igt_display_t display;
>  	igt_pipe_crc_t *pipe_crc;
>  	igt_output_t *output;
> +	igt_plane_t *primary;
>  
>  	uint32_t drm_format;
>  	uint32_t color_depth;
> -- 
> 2.35.1
> 


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