Commit adaa2cb6 authored by Ankit Nautiyal's avatar Ankit Nautiyal
Browse files

drm/i915/dp: Return early if DSC not supported 



Check for DSC support before computing link config with DSC.
For DP MST we are already doing the same.

Signed-off-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: default avatarSuraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217093244.3938132-3-ankit.k.nautiyal@intel.com
parent 230a14f4

drivers/gpu/drm/i915/display/intel_dp.c

+3 −3
Original line number Diff line number Diff line
@@ -2375,9 +2375,6 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, 
		 intel_dp_supports_fec(intel_dp, connector, pipe_config) &&

		 !intel_dp_is_uhbr(pipe_config));



	if (!intel_dp_supports_dsc(intel_dp, connector, pipe_config))

		return -EINVAL;



	if (!intel_dp_dsc_supports_format(connector, pipe_config->output_format))

		return -EINVAL;
@@ -2652,6 +2649,9 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, 
			    str_yes_no(ret), str_yes_no(joiner_needs_dsc),

			    str_yes_no(intel_dp->force_dsc_en));



		if (!intel_dp_supports_dsc(intel_dp, connector, pipe_config))

			return -EINVAL;



		if (!intel_dp_compute_config_limits(intel_dp, pipe_config,

						    respect_downstream_limits,

						    true,