diff options
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_plane.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index 43e755248977..698ea7adb951 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -508,11 +508,19 @@ static int virtio_drm_get_scanout_buffer(struct drm_plane *plane, bo = gem_to_virtio_gpu_obj(plane->state->fb->obj[0]); - /* Only support mapped shmem bo */ - if (virtio_gpu_is_vram(bo) || drm_gem_is_imported(&bo->base.base) || !bo->base.vaddr) + if (virtio_gpu_is_vram(bo) || drm_gem_is_imported(&bo->base.base)) return -ENODEV; - iosys_map_set_vaddr(&sb->map[0], bo->base.vaddr); + if (bo->base.vaddr) { + iosys_map_set_vaddr(&sb->map[0], bo->base.vaddr); + } else { + struct drm_gem_shmem_object *shmem = &bo->base; + + if (!shmem->pages) + return -ENODEV; + /* map scanout buffer later */ + sb->pages = shmem->pages; + } sb->format = plane->state->fb->format; sb->height = plane->state->fb->height; |