Merge tag 'gvt-fixes-2020-02-12' of https://github.com/intel/gvt-linux into drm-intel...

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / gvt / gtt.c

diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 34cb404ba4b789ca97c86794d90c24edf3cf95ef..4a4828074cb708b09b764f295f28f80fa137d14c 100644 (file)
--- 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);