Whether the resource is a shmem based resource or a (planned) vram based resource, it will have a resource handle associated with it. Since the hypercall interface works on resource handles, add a function that returns the handle given a GEM object.
Signed-off-by: Gurchetan Singh gurchetansingh@chromium.org --- drivers/gpu/drm/virtio/virtgpu_drv.h | 1 + drivers/gpu/drm/virtio/virtgpu_object.c | 13 +++++++++++++ 2 files changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index ce73895cf74b..48ca1316ef7b 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -367,6 +367,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, struct virtio_gpu_fence *fence);
bool virtio_gpu_is_shmem(struct drm_gem_object *obj); +uint32_t virtio_gpu_get_handle(struct drm_gem_object *obj);
/* virtgpu_prime.c */ struct drm_gem_object *virtgpu_gem_prime_import_sg_table( diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index c5cad949eb8d..283b6dadd7c8 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -62,6 +62,19 @@ static void virtio_gpu_resource_id_put(struct virtio_gpu_device *vgdev, uint32_t } }
+uint32_t virtio_gpu_get_handle(struct drm_gem_object *obj) +{ + if (virtio_gpu_is_shmem(obj)) { + struct virtio_gpu_object *bo; + + bo = gem_to_virtio_gpu_obj(obj); + return bo->hw_res_handle; + } + + DRM_ERROR("resource handle not found\n"); + return 0; +} + void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo) { struct virtio_gpu_device *vgdev = bo->base.base.dev->dev_private;