Commit d3767d49 authored by Gerd Hoffmann's avatar Gerd Hoffmann

virtio-gpu: fix output lookup

Needed for multihead setups where we can have disabled
outputs and therefore plane->crtc can be NULL.
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent af8c34ce
......@@ -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);
......
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