FAILED: patch "[PATCH] drm/i915/gt: Invalidate TLB of the OA unit at TLB" failed to apply to 4.19-stable tree

The patch below does not apply to the 4.19-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 180abeb2c5032704787151135b6a38c6b71295a6 Mon Sep 17 00:00:00 2001
From: Chris Wilson <[email protected]>
Date: Wed, 27 Jul 2022 14:29:53 +0200
Subject: [PATCH] drm/i915/gt: Invalidate TLB of the OA unit at TLB
invalidations
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Ensure that the TLB of the OA unit is also invalidated on gen12 HW, as just invalidating the TLB of an engine is not enough.

index c4d43da84d8e..1d84418e8676 100644
@@ -11,6 +11,7 @@
 #include "pxp/intel_pxp.h"
 
 #include "i915_drv.h"
+#include "i915_perf_oa_regs.h"
 #include "intel_context.h"
 #include "intel_engine_pm.h"
 #include "intel_engine_regs.h"

@@ -969,6 +970,15 @@ void intel_gt_invalidate_tlbs(struct intel_gt *gt)
 		awake |= engine->mask;
 	}
 
+	/* Wa_2207587034:tgl,dg1,rkl,adl-s,adl-p */
+	if (awake &&
+	    (IS_TIGERLAKE(i915) ||
+	     IS_DG1(i915) ||
+	     IS_ROCKETLAKE(i915) ||
+	     IS_ALDERLAKE_S(i915) ||
+	     IS_ALDERLAKE_P(i915)))
+		intel_uncore_write_fw(uncore, GEN12_OA_TLB_INV_CR, 1);
+
 	spin_unlock_irq(&uncore->lock);
 
 	for_each_engine_masked(engine, gt, awake, tmp) {