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

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

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231006133727.1822579-9-imre.deak@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 274044eb9db8ec300d23533a5a72e2b02c3546f3..98fccce5c07e62983faa63c816ea998feb71fece 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1377,14 +1377,14 @@ static bool intel_dp_supports_fec(struct intel_dp *intel_dp,
                drm_dp_sink_supports_fec(connector->dp.fec_capability);
 }
 
-static bool intel_dp_supports_dsc(struct intel_dp *intel_dp,
+static bool intel_dp_supports_dsc(const struct intel_connector *connector,
                                  const struct intel_crtc_state *crtc_state)
 {
        if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP) && !crtc_state->fec_enable)
                return false;
 
        return intel_dsc_source_support(crtc_state) &&
-               drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd);
+               drm_dp_sink_supports_dsc(connector->dp.dsc_dpcd);
 }
 
 static int intel_dp_hdmi_compute_bpc(struct intel_dp *intel_dp,
@@ -2120,7 +2120,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
        pipe_config->fec_enable = !intel_dp_is_edp(intel_dp) &&
                intel_dp_supports_fec(intel_dp, connector, pipe_config);
 
-       if (!intel_dp_supports_dsc(intel_dp, pipe_config))
+       if (!intel_dp_supports_dsc(connector, pipe_config))
                return -EINVAL;
 
        if (!intel_dp_dsc_supports_format(intel_dp, pipe_config->output_format))