bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-01 04:52:32 -04:00
Code Issues Packages Projects Releases Wiki Activity

virtio: Add virtio_gpu_object_kunmap()

Browse Source 
Implement a virtio_gpu_object_kunmap() to unmap the kernel
mapping, and use it in the TTM object destroy path.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180925161606.17980-2-ezequiel@collabora.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Ezequiel Garcia
2018-09-25 18:16:04 +02:00
committed by Gerd Hoffmann
parent 9dd3cb243d
commit 02c87cabd6
2 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/virtio/virtgpu_object.c
View File

@@ -37,6 +37,8 @@ static void virtio_gpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
virtio_gpu_cmd_unref_resource(vgdev, bo->hw_res_handle);
if (bo->pages)
virtio_gpu_object_free_sg_table(bo);
if (bo->vmap)
virtio_gpu_object_kunmap(bo);
drm_gem_object_release(&bo->gem_base);
kfree(bo);
}
@@ -99,6 +101,12 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
return 0;
}
void virtio_gpu_object_kunmap(struct virtio_gpu_object *bo)
{
bo->vmap = NULL;
ttm_bo_kunmap(&bo->kmap);
}
int virtio_gpu_object_kmap(struct virtio_gpu_object *bo, void **ptr)
{
bool is_iomem;