diff options
author | Dave Airlie <airlied@nx6125b.(none)> | 2007-06-05 10:09:11 +1000 |
---|---|---|
committer | Dave Airlie <airlied@nx6125b.(none)> | 2007-06-05 10:09:11 +1000 |
commit | 07345af838a7443d29d12cb3fe91614e43c4fa81 (patch) | |
tree | 9a16e9ea79c70c6aea65ac11e395dfbf83459453 /linux-core/drm_vm.c | |
parent | 704ca0638977f58742a8bff6aba9905fe862cfb3 (diff) | |
parent | 4327d7f3142cdbf3f3f94426ae33e2d30b5a40c8 (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.c | 42 |
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); |