[patch] drm-i915-dp-Write-to-SET_POWER-dpcd-to-enable-MST-hub-gentoo.patch

drm-i915-dp-Write-to-SET_POWER-dpcd-to-enable-MST-hub-gentoo.patch (text/plain), 1.18 KB, created by d.rauber on 2018-03-29 11:01:47 UTC

diff -rupN linux-4.15.13-gentoo/drivers/gpu/drm/i915/intel_ddi.c linux-4.15.13-gentoo-patched/drivers/gpu/drm/i915/intel_ddi.c
--- linux-4.15.13-gentoo/drivers/gpu/drm/i915/intel_ddi.c	2018-03-29 11:34:34.883184162 +0200
+++ linux-4.15.13-gentoo-patched/drivers/gpu/drm/i915/intel_ddi.c	2018-03-29 12:42:59.503554802 +0200
@@ -2208,8 +2208,7 @@ static void intel_ddi_pre_enable_dp(stru
 		intel_prepare_dp_ddi_buffers(encoder);
 
 	intel_ddi_init_dp_buf_reg(encoder);
-	if (!is_mst)
-		intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
+	intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
 	intel_dp_start_link_train(intel_dp);
 	if (port != PORT_A || INTEL_GEN(dev_priv) >= 9)
 		intel_dp_stop_link_train(intel_dp);
@@ -2299,14 +2298,12 @@ static void intel_ddi_post_disable_dp(st
 	 * DP_MST. The main connector associated with this port is never
 	 * bound to a crtc for MST.
 	 */
-	bool is_mst = !old_crtc_state;
 
 	/*
 	 * Power down sink before disabling the port, otherwise we end
 	 * up getting interrupts from the sink on detecting link loss.
 	 */
-	if (!is_mst)
-		intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
+	intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
 
 	intel_disable_ddi_buf(encoder);