virtio-gpu: add basic prime support
This is enough to enable DRI3.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index 2719108..79f0abe 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -359,6 +359,18 @@
void virtio_gpu_object_free_sg_table(struct virtio_gpu_object *bo);
int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait);
+/* virtgpu_prime.c */
+int virtgpu_gem_prime_pin(struct drm_gem_object *obj);
+void virtgpu_gem_prime_unpin(struct drm_gem_object *obj);
+struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
+struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
+ struct drm_device *dev, struct dma_buf_attachment *attach,
+ struct sg_table *sgt);
+void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj);
+void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
+int virtgpu_gem_prime_mmap(struct drm_gem_object *obj,
+ struct vm_area_struct *vma);
+
static inline struct virtio_gpu_object*
virtio_gpu_object_ref(struct virtio_gpu_object *bo)
{