From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> ICL supposedly doesn't support FEC on MST. Reject it. Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 819f3234de03..a11bc4fd3d65 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1418,7 +1418,8 @@ static bool intel_dp_source_supports_fec(struct intel_dp *intel_dp, if (DISPLAY_VER(dev_priv) >= 12) return true; - if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A) + if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A && + !intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DP_MST)) return true; return false; -- 2.43.2
