Merge branch 'fixes-2.6.39' into for-2.6.40

1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index a34ef97d3c8..741457bd1c4 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -1125,7 +1125,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
 {
         union drm_wait_vblank *vblwait = data;
         int ret = 0;
-        unsigned int flags, seq, crtc;
+        unsigned int flags, seq, crtc, high_crtc;
 
         if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled))
                 return -EINVAL;
@@ -1134,16 +1134,21 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
                 return -EINVAL;
 
         if (vblwait->request.type &
-            ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) {
+            ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK |
+              _DRM_VBLANK_HIGH_CRTC_MASK)) {
                 DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n",
                           vblwait->request.type,
-                          (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK));
+                          (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK |
+                           _DRM_VBLANK_HIGH_CRTC_MASK));
                 return -EINVAL;
         }
 
         flags = vblwait->request.type & _DRM_VBLANK_FLAGS_MASK;
-        crtc = flags & _DRM_VBLANK_SECONDARY ? 1 : 0;
-
+        high_crtc = (vblwait->request.type & _DRM_VBLANK_HIGH_CRTC_MASK);
+        if (high_crtc)
+                crtc = high_crtc >> _DRM_VBLANK_HIGH_CRTC_SHIFT;
+        else
+                crtc = flags & _DRM_VBLANK_SECONDARY ? 1 : 0;
         if (crtc >= dev->num_crtcs)
                 return -EINVAL;