Merge tag 'gvt-next-2020-04-22' of https://github.com/intel/gvt-linux into drm-intel...

[linux-block.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 dffd4b79b9a67d746889f629e149417d9808a15a..d2b0d85b39bcb400f1d6b8a98ee5e576f831c08d 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1962,7 +1962,11 @@ 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);