From: Swati Sharma <swati2.sharma@xxxxxxxxx> If force_dsc_ycbcr420_en is set through debugfs allow DSC iff output_format is INTEL_OUTPUT_FORMAT_YCBCR420. Signed-off-by: Swati Sharma <swati2.sharma@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 2adac42e585d..666ee85dd23a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1528,6 +1528,10 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, if (!intel_dp_dsc_supports_format(intel_dp, pipe_config->output_format)) return -EINVAL; + if (intel_dp->force_dsc_ycbcr420_en && + pipe_config->output_format != INTEL_OUTPUT_FORMAT_YCBCR420) + return -EINVAL; + if (compute_pipe_bpp) pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc); else -- 2.25.1
