From: jsg <jsg@openbsd.org>
Date: Mon, 5 Aug 2024 02:52:34 +0000 (+0000)
Subject: drm/i915/dp: Reset intel_dp->link_trained before retraining the link
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=aa0c546b6087fa0ed9bedb66fff48eb88c631cb4;p=openbsd

drm/i915/dp: Reset intel_dp->link_trained before retraining the link

From Imre Deak
a90e900f71da23a354e9d17f1dc0c654d0ae9ceb in linux-6.6.y/6.6.44
d13e2a6e95e6b87f571c837c71a3d05691def9bb in mainline linux
---

diff --git a/sys/dev/pci/drm/i915/display/intel_dp.c b/sys/dev/pci/drm/i915/display/intel_dp.c
index f80bd9f0363..5386d3a6bf8 100644
--- a/sys/dev/pci/drm/i915/display/intel_dp.c
+++ b/sys/dev/pci/drm/i915/display/intel_dp.c
@@ -4374,6 +4374,8 @@ int intel_dp_retrain_link(struct intel_encoder *encoder,
 		    !intel_dp_mst_is_master_trans(crtc_state))
 			continue;
 
+		intel_dp->link_trained = false;
+
 		intel_dp_check_frl_training(intel_dp);
 		intel_dp_pcon_dsc_configure(intel_dp, crtc_state);
 		intel_dp_start_link_train(intel_dp, crtc_state);