From: jsg <jsg@openbsd.org>
Date: Mon, 5 Sep 2022 14:06:39 +0000 (+0000)
Subject: drm/i915/gt: Skip TLB invalidations once wedged
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=d1c1ff4010902676905619c465dc4382fc88df47;p=openbsd

drm/i915/gt: Skip TLB invalidations once wedged

From Chris Wilson
4676773ea117624ced48fdf9806d5e0dc051bd7f in linux 5.15.y/5.15.65
e5a95c83ed1492c0f442b448b20c90c8faaf702b in mainline linux
---

diff --git a/sys/dev/pci/drm/i915/gt/intel_gt.c b/sys/dev/pci/drm/i915/gt/intel_gt.c
index ebeb02acf1d..810d138ff9e 100644
--- a/sys/dev/pci/drm/i915/gt/intel_gt.c
+++ b/sys/dev/pci/drm/i915/gt/intel_gt.c
@@ -953,6 +953,9 @@ void intel_gt_invalidate_tlbs(struct intel_gt *gt)
 	if (I915_SELFTEST_ONLY(gt->awake == -ENODEV))
 		return;
 
+	if (intel_gt_is_wedged(gt))
+		return;
+
 	if (GRAPHICS_VER(i915) == 12) {
 		regs = gen12_regs;
 		num = ARRAY_SIZE(gen12_regs);