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 <[email protected]> wrote: > Currently, DSC with YCBCR420 is not supported. > Return -EINVAL when trying with DSC with output_format as YCBCR420. > > Signed-off-by: Ankit Nautiyal <[email protected]> > --- > 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 > >
