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Diffstat (limited to 'linux-core/drm_vm.c')
-rw-r--r--linux-core/drm_vm.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index d4d97a4d..228ea6cd 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -715,13 +715,9 @@ static int drm_bo_vm_fault(struct vm_area_struct *vma,
unsigned long ret = VM_FAULT_NOPAGE;
dev = bo->dev;
- err = drm_bo_read_lock(&dev->bm.bm_lock, 1);
- if (err)
- return VM_FAULT_NOPAGE;
err = mutex_lock_interruptible(&bo->mutex);
if (err) {
- drm_bo_read_unlock(&dev->bm.bm_lock);
return VM_FAULT_NOPAGE;
}
@@ -788,7 +784,6 @@ static int drm_bo_vm_fault(struct vm_area_struct *vma,
out_unlock:
BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNLOCKED);
mutex_unlock(&bo->mutex);
- drm_bo_read_unlock(&dev->bm.bm_lock);
return ret;
}
#endif
@@ -797,6 +792,10 @@ static void drm_bo_vm_open_locked(struct vm_area_struct *vma)
{
struct drm_buffer_object *bo = (struct drm_buffer_object *) vma->vm_private_data;
+ /* clear the clean flags */
+ bo->mem.flags &= ~DRM_BO_FLAG_CLEAN;
+ bo->mem.proposed_flags &= ~DRM_BO_FLAG_CLEAN;
+
drm_vm_open_locked(vma);
atomic_inc(&bo->usage);
#ifdef DRM_ODD_MM_COMPAT