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drm/nouveau: have ttm's fault handler called directly 

There's no good reason for us to have our own anymore, this is left over
from an early port to these TTM interfaces.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-01-04 15:52:20 +10:00 committed by Dave Airlie
parent a908b96c22
commit 1959ca80e1
1 changed files with 1 additions and 29 deletions
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30
drivers/gpu/drm/nouveau/nouveau_ttm.c
View File

@ -28,45 +28,17 @@
#include "nouveau_drv.h"
static struct vm_operations_struct nouveau_ttm_vm_ops;
static const struct vm_operations_struct *ttm_vm_ops;
static int
nouveau_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct ttm_buffer_object *bo = vma->vm_private_data;
int ret;
if (unlikely(bo == NULL))
return VM_FAULT_NOPAGE;
ret = ttm_vm_ops->fault(vma, vmf);
return ret;
}
int
nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct drm_file *file_priv = filp->private_data;
struct drm_nouveau_private *dev_priv =
file_priv->minor->dev->dev_private;
int ret;
if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
return drm_mmap(filp, vma);
ret = ttm_bo_mmap(filp, vma, &dev_priv->ttm.bdev);
if (unlikely(ret != 0))
return ret;
if (unlikely(ttm_vm_ops == NULL)) {
ttm_vm_ops = vma->vm_ops;
nouveau_ttm_vm_ops = *ttm_vm_ops;
nouveau_ttm_vm_ops.fault = &nouveau_ttm_fault;
}
vma->vm_ops = &nouveau_ttm_vm_ops;
return 0;
return ttm_bo_mmap(filp, vma, &dev_priv->ttm.bdev);
}
static int