xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/virtio: rework virtio_gpu_transfer_from_host_ioctl fencing

Browse Source 
Switch to the virtio_gpu_array_* helper workflow.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190829103301.3539-11-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann
2019-08-29 12:32:53 +02:00
parent e2324300f4
commit 375f156a5e
3 changed files with 23 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/gpu/drm/virtio/virtgpu_ioctl.c
View File

@@ -340,9 +340,7 @@ static int virtio_gpu_transfer_from_host_ioctl(struct drm_device *dev,
struct virtio_gpu_device *vgdev = dev->dev_private;
struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
struct drm_virtgpu_3d_transfer_from_host *args = data;
struct ttm_operation_ctx ctx = { true, false };
struct drm_gem_object *gobj = NULL;
struct virtio_gpu_object *qobj = NULL;
struct virtio_gpu_object_array *objs;
struct virtio_gpu_fence *fence;
int ret;
u32 offset = args->offset;
@@ -351,39 +349,31 @@ static int virtio_gpu_transfer_from_host_ioctl(struct drm_device *dev,
if (vgdev->has_virgl_3d == false)
return -ENOSYS;
gobj = drm_gem_object_lookup(file, args->bo_handle);
if (gobj == NULL)
objs = virtio_gpu_array_from_handles(file, &args->bo_handle, 1);
if (objs == NULL)
return -ENOENT;
qobj = gem_to_virtio_gpu_obj(gobj);
ret = virtio_gpu_object_reserve(qobj);
if (ret)
goto out;
ret = ttm_bo_validate(&qobj->tbo, &qobj->placement, &ctx);
if (unlikely(ret))
goto out_unres;
ret = virtio_gpu_array_lock_resv(objs);
if (ret != 0)
goto err_put_free;
convert_to_hw_box(&box, &args->box);
fence = virtio_gpu_fence_alloc(vgdev);
if (!fence) {
ret = -ENOMEM;
goto out_unres;
goto err_unlock;
}
virtio_gpu_cmd_transfer_from_host_3d
(vgdev, qobj->hw_res_handle,
vfpriv->ctx_id, offset, args->level,
&box, fence);
dma_resv_add_excl_fence(qobj->tbo.base.resv,
&fence->f);
(vgdev, vfpriv->ctx_id, offset, args->level,
&box, objs, fence);
dma_fence_put(&fence->f);
out_unres:
virtio_gpu_object_unreserve(qobj);
out:
drm_gem_object_put_unlocked(gobj);
return 0;
err_unlock:
virtio_gpu_array_unlock_resv(objs);
err_put_free:
virtio_gpu_array_put_free(objs);
return ret;
}