Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  vmwgfx: Fix fb VRAM pinning failure due to fragmentation
  vmwgfx: Remove initialisation of dev::devname
  vmwgfx: Enable use of the vblank system
  vmwgfx: vt-switch (master drop) fixes
  drm/vmwgfx: Fix breakage introduced by commit "drm: block userspace under allocating buffer and having drivers overwrite it (v2)"
  drm: Hold the mutex when dropping the last GEM reference (v2)
  drm/gem: handlecount isn't really a kref so don't make it one.
  drm: i810/i830: fix locked ioctl variant
  drm/radeon/kms: add quirk for MSI K9A2GM motherboard
  drm/radeon/kms: fix potential segfault in r600_ioctl_wait_idle
  drm: Prune GEM vma entries
  drm/radeon/kms: fix up encoder info messages for DFP6
  drm/radeon: fix PCI ID 5657 to be an RV410

1 files changed, 18 insertions, 10 deletions

diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index fda67468e603..5df450683aab 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -433,15 +433,7 @@ static void drm_vm_open(struct vm_area_struct *vma)
         mutex_unlock(&dev->struct_mutex);
 }
 
-/**
- * \c close method for all virtual memory types.
- *
- * \param vma virtual memory area.
- *
- * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
- * free it.
- */
-static void drm_vm_close(struct vm_area_struct *vma)
+void drm_vm_close_locked(struct vm_area_struct *vma)
 {
         struct drm_file *priv = vma->vm_file->private_data;
         struct drm_device *dev = priv->minor->dev;
@@ -451,7 +443,6 @@ static void drm_vm_close(struct vm_area_struct *vma)
                   vma->vm_start, vma->vm_end - vma->vm_start);
         atomic_dec(&dev->vma_count);
 
-        mutex_lock(&dev->struct_mutex);
         list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
                 if (pt->vma == vma) {
                         list_del(&pt->head);
@@ -459,6 +450,23 @@ static void drm_vm_close(struct vm_area_struct *vma)
                         break;
                 }
         }
+}
+
+/**
+ * \c close method for all virtual memory types.
+ *
+ * \param vma virtual memory area.
+ *
+ * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
+ * free it.
+ */
+static void drm_vm_close(struct vm_area_struct *vma)
+{
+        struct drm_file *priv = vma->vm_file->private_data;
+        struct drm_device *dev = priv->minor->dev;
+
+        mutex_lock(&dev->struct_mutex);
+        drm_vm_close_locked(vma);
         mutex_unlock(&dev->struct_mutex);
 }