On Mon, May 30, 2016 at 02:03:26PM +0200, Gerd Hoffmann wrote:
> Needed for multihead setups where we can have disabled
> outputs and therefore plane->crtc can be NULL.
>
> Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
Applied to drm-misc, thanks.
-Daniel
> ---
> drivers/gpu/drm/virtio/virtgpu_plane.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c
> b/drivers/gpu/drm/virtio/virtgpu_plane.c
> index 70b44a2..e50674b 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_plane.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
> @@ -63,11 +63,17 @@ static void virtio_gpu_plane_atomic_update(struct
> drm_plane *plane,
> {
> struct drm_device *dev = plane->dev;
> struct virtio_gpu_device *vgdev = dev->dev_private;
> - struct virtio_gpu_output *output =
> drm_crtc_to_virtio_gpu_output(plane->crtc);
> + struct virtio_gpu_output *output = NULL;
> struct virtio_gpu_framebuffer *vgfb;
> struct virtio_gpu_object *bo;
> uint32_t handle;
>
> + if (plane->state->crtc)
> + output = drm_crtc_to_virtio_gpu_output(plane->state->crtc);
> + if (old_state->crtc)
> + output = drm_crtc_to_virtio_gpu_output(old_state->crtc);
> + WARN_ON(!output);
> +
> if (plane->state->fb) {
> vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
> bo = gem_to_virtio_gpu_obj(vgfb->obj);
> --
> 1.8.3.1
>
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> dri-devel at lists.freedesktop.org
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
