[Intel-gfx] [PATCH i-g-t 1/2] tests/kms_color: Disable gamma in degamma tests

[Vidya Srinivas <vidya.srinivas@intel.com>]

This patch disables gamma in degamma subtest which is missing.
It compares CRC between (linear degamma + solid colors) and (max
degamma + gradient colors). Patch also cleans up degamma before
exiting degamma test and cleans up gamma before exiting gamma
test.

v2 - Addressed review comments from Bhanuprakash Modem
Changed full degamma for reference CRC to linear degamma
Added clean up of degamma end of degamma test.

v3 - Addressed review comments from Bhanuprakash Modem
Fixed comments

Change-Id: Ibdb91b603e2e4024d170727d24c6a5425441e2e1
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 tests/kms_color.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/tests/kms_color.c b/tests/kms_color.c
index 3a42532a5c27..1b021ac3ce0c 100644
--- a/tests/kms_color.c
+++ b/tests/kms_color.c
@@ -32,7 +32,6 @@ static void test_pipe_degamma(data_t *data,
 	igt_output_t *output;
 	igt_display_t *display = &data->display;
 	gamma_lut_t *degamma_linear, *degamma_full;
-	gamma_lut_t *gamma_linear;
 	color_t red_green_blue[] = {
 		{ 1.0, 0.0, 0.0 },
 		{ 0.0, 1.0, 0.0 },
@@ -45,8 +44,6 @@ static void test_pipe_degamma(data_t *data,
 	degamma_linear = generate_table(data->degamma_lut_size, 1.0);
 	degamma_full = generate_table_max(data->degamma_lut_size);
 
-	gamma_linear = generate_table(data->gamma_lut_size, 1.0);
-
 	for_each_valid_output_on_pipe(&data->display, primary->pipe->pipe, output) {
 		drmModeModeInfo *mode;
 		struct igt_fb fb_modeset, fb;
@@ -75,11 +72,11 @@ static void test_pipe_degamma(data_t *data,
 
 		igt_plane_set_fb(primary, &fb_modeset);
 		disable_ctm(primary->pipe);
-		disable_degamma(primary->pipe);
-		set_gamma(data, primary->pipe, gamma_linear);
+		disable_gamma(primary->pipe);
+		set_degamma(data, primary->pipe, degamma_linear);
 		igt_display_commit(&data->display);
 
-		/* Draw solid colors with no degamma transformation. */
+		/* 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);
@@ -103,15 +100,16 @@ static void test_pipe_degamma(data_t *data,
 		 */
 		igt_assert_crc_equal(&crc_fullgamma, &crc_fullcolors);
 
+		disable_degamma(primary->pipe);
 		igt_plane_set_fb(primary, 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);
 	}
 
 	free_lut(degamma_linear);
 	free_lut(degamma_full);
-	free_lut(gamma_linear);
 }
 
 /*
@@ -189,8 +187,10 @@ static void test_pipe_gamma(data_t *data,
 		 */
 		igt_assert_crc_equal(&crc_fullgamma, &crc_fullcolors);
 
+		disable_gamma(primary->pipe);
 		igt_plane_set_fb(primary, 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);
 	}
-- 
2.7.4

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