[Intel-gfx] [PATCH v10 10/13] drm/i915/dp: Avoid DSC with output_format YCBCR420

Ankit Nautiyal ankit.k.nautiyal at intel.com
Mon Feb 27 04:03:21 UTC 2023


Currently, DSC with YCBCR420 is not supported.
Return -EINVAL when trying with DSC with output_format as YCBCR420.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 38ca6f676cb2..2b4b6849397a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1640,6 +1640,10 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 	if (!intel_dp_supports_dsc(intel_dp, pipe_config))
 		return -EINVAL;
 
+	/* Currently DSC with YCBCR420 format is not supported */
+	if (pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420)
+		return -EINVAL;
+
 	if (compute_pipe_bpp)
 		pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, pipe_config->output_format,
 						    conn_state->max_requested_bpc);
-- 
2.25.1



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