diff options
author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2007-10-21 12:20:56 +0200 |
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committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2007-10-21 12:20:56 +0200 |
commit | 3b19b50cb5cd31e60eb03e99dd1109b6d0f5b8a3 (patch) | |
tree | d117764ba0985fccb1398beb9613ba5d6d066467 /linux-core/drm_compat.c | |
parent | 48b5eaf303b60077faed09db77785d7a544ac335 (diff) |
Remove the need for the hardware lock in the buffer manager.
Add interface entry cleaning a memory type without touching NO_EVICT buffers.
Diffstat (limited to 'linux-core/drm_compat.c')
-rw-r--r-- | linux-core/drm_compat.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c index e51aedb7..ae44e500 100644 --- a/linux-core/drm_compat.c +++ b/linux-core/drm_compat.c @@ -212,6 +212,8 @@ static struct page *drm_bo_vm_fault(struct vm_area_struct *vma, unsigned long bus_offset; unsigned long bus_size; + dev = bo->dev; + while(drm_bo_read_lock(&dev->bm.bm_lock)); mutex_lock(&bo->mutex); @@ -289,6 +291,7 @@ static struct page *drm_bo_vm_fault(struct vm_area_struct *vma, data->type = VM_FAULT_OOM; out_unlock: mutex_unlock(&bo->mutex); + drm_bo_read_unlock(&dev->bm.bm_lock); return NULL; } |