From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> The current check just asserts that we need FEC to use DSC with (non-eDP) DP-SST. But MST also needs FEC for DSC. Just check for !eDP instead to cover all the cases correctly. Cc: Luca Coelho <luciano.coelho@xxxxxxxxx> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 2cde8ac513bb..41f180f2879e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1380,7 +1380,7 @@ static bool intel_dp_supports_fec(struct intel_dp *intel_dp, static bool intel_dp_supports_dsc(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP) && !crtc_state->fec_enable) + if (!intel_dp_is_edp(intel_dp) && !crtc_state->fec_enable) return false; return intel_dsc_source_support(crtc_state) && -- 2.41.0