diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0ad20eccbf62..01aae086b532 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13690,6 +13690,17 @@ intel_prepare_plane_fb(struct drm_plane *plane, return ret; } + /* For framebuffer backed by dmabuf, wait for fence */ + if (obj && obj->base.dma_buf) { + ret = reservation_object_wait_timeout_rcu(obj->base.dma_buf->resv, + false, true, + MAX_SCHEDULE_TIMEOUT); + if (ret == -ERESTARTSYS) + return ret; + + WARN_ON(ret < 0); + } + if (!obj) { ret = 0; } else if (plane->type == DRM_PLANE_TYPE_CURSOR &&