[PATCH i-g-t, v2 6/9] tests/kms_sharpness_filter: Add dpms/suspend subtests

[Swati Sharma <swati2.sharma@intel.com>]

Add subtests to verify CASF with DPMS and suspend.

v2: -Added CRC based verification (Ankit)

Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
---
 tests/kms_sharpness_filter.c | 67 ++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/tests/kms_sharpness_filter.c b/tests/kms_sharpness_filter.c
index d1d6558c5..32ad7a752 100644
--- a/tests/kms_sharpness_filter.c
+++ b/tests/kms_sharpness_filter.c
@@ -41,6 +41,14 @@
  * SUBTEST: filter-tap
  * Description: Verify content adaptive sharpness filter with resolution change, resolution change
  * 		will lead to selection of distinct taps.
+ *
+ * SUBTEST: filter-dpms
+ * Description: Verify content adaptive sharpness filter with DPMS.
+ * Functionality: casf, dpms
+ *
+ * SUBTEST: filter-suspend
+ * Description: Verify content adaptive sharpness filter with suspend.
+ * Functionality: casf, suspend
 */
 
 IGT_TEST_DESCRIPTION("Test to validate content adaptive sharpness filter");
@@ -70,6 +78,8 @@ enum test_type {
 	TEST_FILTER_STRENGTH,
 	TEST_FILTER_TOGGLE,
 	TEST_FILTER_TAP,
+	TEST_FILTER_DPMS,
+	TEST_FILTER_SUSPEND,
 };
 
 const int filter_strength_list[] = {
@@ -212,9 +222,12 @@ static int test_filter_toggle(data_t *data)
 
 static void test_sharpness_filter(data_t *data,  enum test_type type)
 {
+	igt_output_t *output = data->output;
 	drmModeModeInfo *mode = data->mode;
 	int height = mode->hdisplay;
 	int width =  mode->vdisplay;
+	igt_crc_t ref_crc, crc;
+	igt_pipe_crc_t *pipe_crc = NULL;
 	int ret;
 
 	data->plane[0] = igt_pipe_get_plane_type(data->pipe, DRM_PLANE_TYPE_PRIMARY);
@@ -238,11 +251,37 @@ static void test_sharpness_filter(data_t *data,  enum test_type type)
 
 	ret = igt_display_try_commit2(&data->display, COMMIT_ATOMIC);
 
+	if (type == TEST_FILTER_DPMS || type == TEST_FILTER_SUSPEND) {
+		pipe_crc = igt_pipe_crc_new(data->drm_fd, data->pipe_id,
+					    IGT_PIPE_CRC_SOURCE_AUTO);
+		igt_pipe_crc_collect_crc(pipe_crc, &ref_crc);
+	}
+
+	if (type == TEST_FILTER_DPMS) {
+		kmstest_set_connector_dpms(data->drm_fd,
+					   output->config.connector,
+					   DRM_MODE_DPMS_OFF);
+		kmstest_set_connector_dpms(data->drm_fd,
+					   output->config.connector,
+					   DRM_MODE_DPMS_ON);
+	}
+
+	if (type == TEST_FILTER_SUSPEND)
+		igt_system_suspend_autoresume(SUSPEND_STATE_MEM,
+					      SUSPEND_TEST_NONE);
+
+	if (type == TEST_FILTER_DPMS || type == TEST_FILTER_SUSPEND) {
+		igt_pipe_crc_collect_crc(pipe_crc, &crc);
+		igt_assert_crc_equal(&crc, &ref_crc);
+	}
+
 	if (type == TEST_FILTER_TOGGLE)
 		ret |= test_filter_toggle(data);
 
 	igt_assert_eq(ret, 0);
 
+	/* clean-up */
+	igt_pipe_crc_free(pipe_crc);
 	cleanup(data);
 }
 
@@ -328,6 +367,12 @@ run_sharpness_filter_test(data_t *data, enum test_type type)
 			case TEST_FILTER_TOGGLE:
 				snprintf(name, sizeof(name), "-toggle");
 				break;
+			case TEST_FILTER_DPMS:
+				snprintf(name, sizeof(name), "-dpms");
+				break;
+			case TEST_FILTER_SUSPEND:
+				snprintf(name, sizeof(name), "-suspend");
+				break;
 			default:
 				igt_assert(0);
 			}
@@ -462,6 +507,28 @@ igt_main_args("l", NULL, help_str, opt_handler, &data)
 		run_sharpness_filter_test(&data, TEST_FILTER_TAP);
 	}
 
+	igt_describe("Verify content adaptive sharpness filter "
+		     "with DPMS.");
+	igt_subtest_with_dynamic("filter-dpms") {
+		data.modifier = DRM_FORMAT_MOD_LINEAR;
+		data.rotation = IGT_ROTATION_0;
+		data.format = DRM_FORMAT_XRGB8888;
+		data.filter_strength = MID_FILTER_STRENGTH;
+
+		run_sharpness_filter_test(&data, TEST_FILTER_DPMS);
+	}
+
+	igt_describe("Verify content adaptive sharpness filter "
+		     "with suspend.");
+	igt_subtest_with_dynamic("filter-suspend") {
+		data.modifier = DRM_FORMAT_MOD_LINEAR;
+		data.rotation = IGT_ROTATION_0;
+		data.format = DRM_FORMAT_XRGB8888;
+		data.filter_strength = MID_FILTER_STRENGTH;
+
+		run_sharpness_filter_test(&data, TEST_FILTER_SUSPEND);
+	}
+
 	igt_fixture {
 		igt_display_fini(&data.display);
 		drm_close_driver(data.drm_fd);
-- 
2.25.1