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path: root/drivers/gpu/drm/i915/gvt/gtt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gtt.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/gtt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 34cb404ba4b7..4a4828074cb7 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1956,7 +1956,11 @@ void _intel_vgpu_mm_release(struct kref *mm_ref)
if (mm->type == INTEL_GVT_MM_PPGTT) {
list_del(&mm->ppgtt_mm.list);
+
+ mutex_lock(&mm->vgpu->gvt->gtt.ppgtt_mm_lock);
list_del(&mm->ppgtt_mm.lru_list);
+ mutex_unlock(&mm->vgpu->gvt->gtt.ppgtt_mm_lock);
+
invalidate_ppgtt_mm(mm);
} else {
vfree(mm->ggtt_mm.virtual_ggtt);