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Date: Fri, 10 Jan 2020 10:45:35 +0100 From: Gerd Hoffmann <kraxel@...hat.com> To: dri-devel@...ts.freedesktop.org Cc: gurchetansingh@...omium.org, olvaffe@...il.com, jannh@...gle.com, Gerd Hoffmann <kraxel@...hat.com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, virtualization@...ts.linux-foundation.org (open list:VIRTIO GPU DRIVER), linux-kernel@...r.kernel.org (open list) Subject: [PATCH] drm/virtio: add missing virtio_gpu_array_lock_resv call When submitting a fenced command we must lock the object reservations because virtio_gpu_queue_fenced_ctrl_buffer() unlocks after adding the fence. Reported-by: Jann Horn <jannh@...gle.com> Signed-off-by: Gerd Hoffmann <kraxel@...hat.com> --- drivers/gpu/drm/virtio/virtgpu_plane.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index 390524143139..1635a9ff4794 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -232,6 +232,7 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane, if (!objs) return; virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]); + virtio_gpu_array_lock_resv(objs); virtio_gpu_cmd_transfer_to_host_2d (vgdev, 0, plane->state->crtc_w, -- 2.18.1
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