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authorDave Airlie <airlied@nx6125b.(none)>2007-06-05 10:09:11 +1000
committerDave Airlie <airlied@nx6125b.(none)>2007-06-05 10:09:11 +1000
commit07345af838a7443d29d12cb3fe91614e43c4fa81 (patch)
tree9a16e9ea79c70c6aea65ac11e395dfbf83459453 /linux-core/drm_vm.c
parent704ca0638977f58742a8bff6aba9905fe862cfb3 (diff)
parent4327d7f3142cdbf3f3f94426ae33e2d30b5a40c8 (diff)
Merge branch 'origin' into radeon-ttm
Conflicts: shared-core/radeon_drv.h
Diffstat (limited to 'linux-core/drm_vm.c')
-rw-r--r--linux-core/drm_vm.c42
1 files changed, 14 insertions, 28 deletions
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 54a0849f..f2c43508 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -122,7 +122,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma,
/*
* It's AGP memory - find the real physical page to map
*/
- for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next) {
+ list_for_each_entry(agpmem, &dev->agp->memory, head) {
if (agpmem->bound <= baddr &&
agpmem->bound + agpmem->pages * PAGE_SIZE > baddr)
break;
@@ -205,10 +205,9 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
{
drm_file_t *priv = vma->vm_file->private_data;
drm_device_t *dev = priv->head->dev;
- drm_vma_entry_t *pt, *prev, *next;
+ drm_vma_entry_t *pt, *temp;
drm_map_t *map;
drm_map_list_t *r_list;
- struct list_head *list;
int found_maps = 0;
DRM_DEBUG("0x%08lx,0x%08lx\n",
@@ -218,19 +217,12 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
map = vma->vm_private_data;
mutex_lock(&dev->struct_mutex);
- for (pt = dev->vmalist, prev = NULL; pt; pt = next) {
- next = pt->next;
+ list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
if (pt->vma->vm_private_data == map)
found_maps++;
if (pt->vma == vma) {
- if (prev) {
- prev->next = pt->next;
- } else {
- dev->vmalist = pt->next;
- }
+ list_del(&pt->head);
drm_ctl_free(pt, sizeof(*pt), DRM_MEM_VMAS);
- } else {
- prev = pt;
}
}
/* We were the only map that was found */
@@ -239,9 +231,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
* we delete this mappings information.
*/
found_maps = 0;
- list = &dev->maplist->head;
- list_for_each(list, &dev->maplist->head) {
- r_list = list_entry(list, drm_map_list_t, head);
+ list_for_each_entry(r_list, &dev->maplist, head) {
if (r_list->map == map)
found_maps++;
}
@@ -439,9 +429,8 @@ static void drm_vm_open_locked(struct vm_area_struct *vma)
vma_entry = drm_ctl_alloc(sizeof(*vma_entry), DRM_MEM_VMAS);
if (vma_entry) {
vma_entry->vma = vma;
- vma_entry->next = dev->vmalist;
vma_entry->pid = current->pid;
- dev->vmalist = vma_entry;
+ list_add(&vma_entry->head, &dev->vmalist);
}
}
@@ -467,20 +456,16 @@ static void drm_vm_close(struct vm_area_struct *vma)
{
drm_file_t *priv = vma->vm_file->private_data;
drm_device_t *dev = priv->head->dev;
- drm_vma_entry_t *pt, *prev;
+ drm_vma_entry_t *pt, *temp;
DRM_DEBUG("0x%08lx,0x%08lx\n",
vma->vm_start, vma->vm_end - vma->vm_start);
atomic_dec(&dev->vma_count);
mutex_lock(&dev->struct_mutex);
- for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) {
+ list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
if (pt->vma == vma) {
- if (prev) {
- prev->next = pt->next;
- } else {
- dev->vmalist = pt->next;
- }
+ list_del(&pt->head);
drm_ctl_free(pt, sizeof(*pt), DRM_MEM_VMAS);
break;
}
@@ -516,8 +501,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
return -EINVAL;
}
- if (!capable(CAP_SYS_ADMIN) &&
- (dma->flags & _DRM_DMA_USE_PCI_RO)) {
+ if (!capable(CAP_SYS_ADMIN) && (dma->flags & _DRM_DMA_USE_PCI_RO)) {
vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
#if defined(__i386__) || defined(__x86_64__)
pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
@@ -739,7 +723,7 @@ static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
unsigned long bus_base;
unsigned long bus_offset;
unsigned long bus_size;
- int ret = NOPFN_REFAULT;
+ unsigned long ret = NOPFN_REFAULT;
if (address > vma->vm_end)
return NOPFN_SIGBUS;
@@ -796,7 +780,9 @@ static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
goto out_unlock;
}
pfn = page_to_pfn(page);
- vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
+ vma->vm_page_prot = (bo->mem.flags & DRM_BO_FLAG_CACHED) ?
+ vm_get_page_prot(vma->vm_flags) :
+ drm_io_prot(_DRM_TTM, vma);
}
err = vm_insert_pfn(vma, address, pfn);