Since we cannot do DSC with this output format currently, can this check be added as part of the intel_dp_supports_dsc() ?
Regards
Manasi
On Tue, Mar 14, 2023 at 4:07 AM Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> wrote:
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@xxxxxxxxx>
---
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 b1431ed175bc..99a5cd370c1f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1602,6 +1602,10 @@ 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
