Commit 987c945a authored by Imre Deak's avatar Imre Deak
Browse files

drm/i915/dp: Use connector DSC DPCD in intel_dp_supports_fec() 



Use the connector's DSC DPCD capabilities in intel_dp_supports_fec().

Reviewed-by: default avatarStanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231006133727.1822579-8-imre.deak@intel.com
parent f52bbfe2

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

+5 −2
Original line number Diff line number Diff line
@@ -1370,10 +1370,11 @@ static bool intel_dp_source_supports_fec(struct intel_dp *intel_dp, 
}



static bool intel_dp_supports_fec(struct intel_dp *intel_dp,

				  const struct intel_connector *connector,

				  const struct intel_crtc_state *pipe_config)

{

	return intel_dp_source_supports_fec(intel_dp, pipe_config) &&

		drm_dp_sink_supports_fec(intel_dp->fec_capable);

		drm_dp_sink_supports_fec(connector->dp.fec_capability);

}



static bool intel_dp_supports_dsc(struct intel_dp *intel_dp,
@@ -2110,12 +2111,14 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, 
{

	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);

	struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);

	const struct intel_connector *connector =

		to_intel_connector(conn_state->connector);

	const struct drm_display_mode *adjusted_mode =

		&pipe_config->hw.adjusted_mode;

	int ret;



	pipe_config->fec_enable = !intel_dp_is_edp(intel_dp) &&

		intel_dp_supports_fec(intel_dp, pipe_config);

		intel_dp_supports_fec(intel_dp, connector, pipe_config);



	if (!intel_dp_supports_dsc(intel_dp, pipe_config))

		return -EINVAL;