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: 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/20231006133727.1822579-8-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 01762d9ee5e14ce5705fd413e4b9721431c7c390..274044eb9db8ec300d23533a5a72e2b02c3546f3 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -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;