[PATCH i-g-t] tests/kms_pipe_crc_basic: Add tests for supported formats

[Santhosh Reddy, Guddati]

Current kms_pipe_crc_basic supports crc check for planar formats like NV12 and
XRGB8888, added subtest to validate crc for all the supported formats
---
 tests/kms_pipe_crc_basic.c | 61 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/tests/kms_pipe_crc_basic.c b/tests/kms_pipe_crc_basic.c
index 0c19745bc..b8a0689e4 100644
--- a/tests/kms_pipe_crc_basic.c
+++ b/tests/kms_pipe_crc_basic.c
@@ -82,6 +82,11 @@
  *              CRTC does not cause issues.
  */
 
+/**
+ * SUBTEST: compare-crc-sanitycheck-supported-formats
+ * Description: Basic sanity check for CRC mismatches with supported formats.
+ */
+
 static bool extended;
 static enum pipe active_pipes[IGT_MAX_PIPES];
 static uint32_t last_pipe;
@@ -357,6 +362,33 @@ static bool pipe_output_combo_valid(igt_display_t *display,
 
 data_t data = {0, };
 
+/**
+ * @brief Retrieves the supported formats for a given output and pipe.
+ *
+ * This function returns an array of supported formats for a specific output and pipe.
+ *
+ * @param output The output for which to retrieve the supported formats.
+ * @param count  A pointer to store the number of supported formats.
+ * @param pipe   The pipe for which to retrieve the supported formats.
+ *
+ * @return An array of supported formats for the given output and pipe.
+ */
+static uint32_t* get_supported_formats(igt_output_t *output, uint32_t *count, enum pipe pipe)
+{
+	igt_plane_t *primary;
+	uint32_t *formats = NULL;
+
+	igt_output_set_pipe(output, pipe);
+	primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
+
+	*count = primary->format_mod_count;
+	formats = (uint32_t *) malloc(sizeof(uint32_t) * (*count + 1));
+	for (uint32_t i = 0; i < *count; i++) {
+		formats[i] = primary->formats[i];
+	}
+	return formats;
+}
+
 static int opt_handler(int opt, int opt_index, void *_data)
 {
 	switch (opt) {
@@ -377,6 +409,8 @@ igt_main_args("e", NULL, help_str, opt_handler, NULL)
 {
 	enum pipe pipe;
 	igt_output_t *output;
+	uint32_t *supported_formats = NULL;
+	uint32_t count = 0;
 	struct {
 		const char *name;
 		unsigned flags;
@@ -498,6 +532,33 @@ igt_main_args("e", NULL, help_str, opt_handler, NULL)
 		}
 	}
 
+	igt_describe("Basic sanity check for CRC mismatches with supported formats");
+	igt_subtest_with_dynamic("compare-crc-sanitycheck-supported-formats") {
+		for_each_pipe_with_single_output(&data.display, pipe, output) {
+			if (simulation_constraint(pipe))
+				continue;
+
+			if(!pipe_output_combo_valid(&data.display, pipe, output))
+				continue;
+
+			supported_formats = get_supported_formats(output, &count, pipe);
+			for (i=0; i<count; i++) {
+
+				// Skip the formats that are not supported
+				if (supported_formats[i] == DRM_FORMAT_NV12 || supported_formats[i] == DRM_FORMAT_XRGB8888 \
+						|| supported_formats[i] == DRM_FORMAT_C8) {
+					igt_info("Skipping format "IGT_FORMAT_FMT" \n", IGT_FORMAT_ARGS(supported_formats[i]));
+					continue;
+				}
+
+				igt_info("Testing format "IGT_FORMAT_FMT" \n", IGT_FORMAT_ARGS(supported_formats[i]));
+				igt_dynamic_f("pipe-%s-%s", kmstest_pipe_name(pipe), output->name) {
+					test_compare_crc(&data, pipe, output, supported_formats[i]);
+				}
+			}
+		}
+	}
+
 	igt_fixture {
 		igt_display_fini(&data.display);
 		drm_close_driver(data.drm_fd);
-- 
2.43.0