1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
index dbe9fb41ae53..8d3e515f27ba 100644
--- a/drivers/gpu/drm/i915/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
@@ -85,6 +85,8 @@ intel_plane_duplicate_state(struct drm_plane *plane)
 
         __drm_atomic_helper_plane_duplicate_state(plane, state);
 
+        intel_state->vma = NULL;
+
         return state;
 }
 
@@ -100,6 +102,24 @@ void
 intel_plane_destroy_state(struct drm_plane *plane,
                           struct drm_plane_state *state)
 {
+        struct i915_vma *vma;
+
+        vma = fetch_and_zero(&to_intel_plane_state(state)->vma);
+
+        /*
+         * FIXME: Normally intel_cleanup_plane_fb handles destruction of vma.
+         * We currently don't clear all planes during driver unload, so we have
+         * to be able to unpin vma here for now.
+         *
+         * Normally this can only happen during unload when kmscon is disabled
+         * and userspace doesn't attempt to set a framebuffer at all.
+         */
+        if (vma) {
+                mutex_lock(&plane->dev->struct_mutex);
+                intel_unpin_fb_vma(vma);
+                mutex_unlock(&plane->dev->struct_mutex);
+        }
+
         drm_atomic_helper_plane_destroy_state(plane, state);
 }