gpu: drm: virtio: code cleanup (e61e0f07) · Commits · 戴 / test

drivers/gpu/drm/virtio/virtgpu_ttm.c

+1 −35

Original line number	Diff line number	Diff line
		@@ -106,29 +106,6 @@ static void virtio_gpu_ttm_global_fini(struct virtio_gpu_device *vgdev)
		}
		}

		#if 0
		/*
		* Hmm, seems to not do anything useful. Leftover debug hack?
		* Something like printing pagefaults to kernel log?
		*/
		static struct vm_operations_struct virtio_gpu_ttm_vm_ops;
		static const struct vm_operations_struct *ttm_vm_ops;

		static int virtio_gpu_ttm_fault(struct vm_fault *vmf)
		{
		struct ttm_buffer_object *bo;
		struct virtio_gpu_device *vgdev;
		int r;

		bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data;
		if (bo == NULL)
		return VM_FAULT_NOPAGE;
		vgdev = virtio_gpu_get_vgdev(bo->bdev);
		r = ttm_vm_ops->fault(vmf);
		return r;
		}
		#endif

		int virtio_gpu_mmap(struct file filp, struct vm_area_struct vma)
		{
		struct drm_file *file_priv;
		@@ -143,19 +120,8 @@ int virtio_gpu_mmap(struct file filp, struct vm_area_struct vma)
		return -EINVAL;
		}
		r = ttm_bo_mmap(filp, vma, &vgdev->mman.bdev);
		#if 0
		if (unlikely(r != 0))
		return r;
		if (unlikely(ttm_vm_ops == NULL)) {
		ttm_vm_ops = vma->vm_ops;
		virtio_gpu_ttm_vm_ops = *ttm_vm_ops;
		virtio_gpu_ttm_vm_ops.fault = &virtio_gpu_ttm_fault;
		}
		vma->vm_ops = &virtio_gpu_ttm_vm_ops;
		return 0;
		#else

		return r;
		#endif
		}

		static int virtio_gpu_invalidate_caches(struct ttm_bo_device *bdev,