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authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2007-02-08 16:14:05 +1100
committerDave Airlie <airlied@linux.ie>2007-02-08 16:14:05 +1100
commit1545085a28f226b59c243f88b82ea25393b0d63f (patch)
treecb6c1f8827281b8ad41f2f22e8365769aafe25cb /drivers/char/drm/drm_vm.c
parent756db73df7b7d6b9f6421c1fb2e1cabeaede5846 (diff)
drm: Allow for 44 bit user-tokens (or drm_file offsets)
Diffstat (limited to 'drivers/char/drm/drm_vm.c')
-rw-r--r--drivers/char/drm/drm_vm.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c
index 4e480583a27..54a63284895 100644
--- a/drivers/char/drm/drm_vm.c
+++ b/drivers/char/drm/drm_vm.c
@@ -70,7 +70,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma,
if (!dev->agp || !dev->agp->cant_use_aperture)
goto vm_nopage_error;
- if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff << PAGE_SHIFT, &hash))
+ if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash))
goto vm_nopage_error;
r_list = drm_hash_entry(hash, drm_map_list_t, hash);
@@ -463,8 +463,8 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
lock_kernel();
dev = priv->head->dev;
dma = dev->dma;
- DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n",
- vma->vm_start, vma->vm_end, vma->vm_pgoff << PAGE_SHIFT);
+ DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
+ vma->vm_start, vma->vm_end, vma->vm_pgoff);
/* Length must match exact page count */
if (!dma || (length >> PAGE_SHIFT) != dma->page_count) {
@@ -537,8 +537,8 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
unsigned long offset = 0;
drm_hash_item_t *hash;
- DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n",
- vma->vm_start, vma->vm_end, vma->vm_pgoff << PAGE_SHIFT);
+ DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
+ vma->vm_start, vma->vm_end, vma->vm_pgoff);
if (!priv->authenticated)
return -EACCES;
@@ -547,7 +547,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
* the AGP mapped at physical address 0
* --BenH.
*/
- if (!(vma->vm_pgoff << PAGE_SHIFT)
+ if (!vma->vm_pgoff
#if __OS_HAS_AGP
&& (!dev->agp
|| dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE)
@@ -555,7 +555,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
)
return drm_mmap_dma(filp, vma);
- if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff << PAGE_SHIFT, &hash)) {
+ if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash)) {
DRM_ERROR("Could not find map\n");
return -EINVAL;
}