diff options
| author | Souptick Joarder <jrdr.linux@gmail.com> | 2018-07-03 21:03:53 +0530 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2018-08-08 09:11:53 +0200 |
| commit | e61e0f07ef0d0b9312269582542f6627bc35c799 (patch) | |
| tree | b6e486893cc5f634b41a988ae6c5081393bfa71d /drivers | |
| parent | 4354d64ea90c4caf6f14522f5bf357e4e4857886 (diff) | |
gpu: drm: virtio: code cleanup
The fault handler code is commented since v4.2.
If there is no plan to enable the fault handler
code in future, we can remove this dead code.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180703153353.GA3375@jordon-HP-15-Notebook-PC
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_ttm.c | 36 |
1 files changed, 1 insertions, 35 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c index 11f8ae5b5332..b6f021c0da5c 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c @@ -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, |