[PATCH V10 15/30] tests/kms_colorop: Skip if writeback does not support fourcc

[Alex Hung]

From: Harry Wentland <harry.wentland at amd.com>

Writeback is used by kms_colorop so skip tests if it doesn't support
specific color formats.

Signed-off-by: Alex Hung <alex.hung at amd.com>
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
---
 tests/kms_colorop.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tests/kms_colorop.c b/tests/kms_colorop.c
index e23f876fe..77d8c6bfa 100644
--- a/tests/kms_colorop.c
+++ b/tests/kms_colorop.c
@@ -69,6 +69,10 @@ static bool check_writeback_config(igt_display_t *display, igt_output_t *output,
 	uint32_t writeback_format = fourcc_out;
 	uint64_t modifier = DRM_FORMAT_MOD_LINEAR;
 	int width, height, ret;
+	drmModePropertyBlobRes *wb_formats_blob;
+	int i;
+	__u32 *format;
+	bool found_format = false;
 
 	igt_output_override_mode(output, &override_mode);
 
@@ -83,6 +87,17 @@ static bool check_writeback_config(igt_display_t *display, igt_output_t *output,
 			    fourcc_in, modifier, &input_fb);
 	igt_assert(ret >= 0);
 
+	/* check writeback formats */
+	wb_formats_blob = igt_get_writeback_formats_blob(output);
+	format = wb_formats_blob->data;
+
+	for (i = 0; i < wb_formats_blob->length / 4; i++)
+		if (fourcc_out == format[i])
+			found_format = true;
+
+	igt_skip_on_f(!found_format,
+		      "writeback doesn't support fourcc format %x\n", fourcc_out);
+
 	ret = igt_create_fb(display->drm_fd, width, height,
 			    writeback_format, modifier, &output_fb);
 	igt_assert(ret >= 0);
-- 
2.43.0