In intel_prepare_plane_fb, if fb is backed by dma-buf, wait for fence.
Signed-off-by: Alex Goins <agoins@xxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index acec108a..36c558a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13345,6 +13345,13 @@ intel_prepare_plane_fb(struct drm_plane *plane,
if (!obj)
return 0;
+ /* For framebuffer backed by dmabuf, wait for fence */
+ if (obj->base.dma_buf) {
+ reservation_object_wait_timeout_rcu(
+ obj->base.dma_buf->resv,
+ true, false, msecs_to_jiffies(96));
+ }
+
mutex_lock(&dev->struct_mutex);
if (plane->type == DRM_PLANE_TYPE_CURSOR &&
--
1.9.1
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