From: Chris Wilson <chris.p.wilson@intel.com>
Date: Mon, 2 Oct 2023 14:07:42 +0000 (-0700)
Subject: drm/i915: Invalidate the TLBs on each GT
X-Git-Tag: v6.6.7~1782^2~2^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1fbb6c1d88c421bf9e7fc456aeabc5dc026062e0;p=platform%2Fkernel%2Flinux-starfive.git

drm/i915: Invalidate the TLBs on each GT

With multi-GT devices, the object may have been bound on each GT and so
we need to invalidate the TLBs across all GT before releasing the pages
back to the system.

Fixes: d6c531ab4820 ("drm/i915: Invalidate the TLBs on each GT")
Signed-off-by: Chris Wilson <chris.p.wilson@intel.com>
Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
CC: Matt Roper <matthew.d.roper@intel.com>
CC: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231002140742.933530-1-jonathan.cavitt@intel.com
(cherry picked from commit 6b8ace7a14e7926b7b914ccd96a8ac657c0d518c)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
index 6b6d22c..0ba95561 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
@@ -198,7 +198,7 @@ static void flush_tlb_invalidate(struct drm_i915_gem_object *obj)
 
 	for_each_gt(gt, i915, id) {
 		if (!obj->mm.tlb[id])
-			return;
+			continue;
 
 		intel_gt_invalidate_tlb_full(gt, obj->mm.tlb[id]);
 		obj->mm.tlb[id] = 0;