drm/i915/dp_mst: Add missing DSC compression disabling

Add the missing DSC compression disabling step for MST streams,
similarly to how this is done for SST outputs.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231030155843.2251023-18-imre.deak@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index afa6d428cb0c6a14a70abc9bc666cd8d837fe703..5214cdb049b30f9938c2ac53740745a0b50b84bd 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -730,6 +730,8 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
 
        intel_ddi_disable_transcoder_func(old_crtc_state);
 
+       intel_dsc_disable(old_crtc_state);
+
        if (DISPLAY_VER(dev_priv) >= 9)
                skl_scaler_disable(old_crtc_state);
        else