[Nouveau] [PATCH 2/6] drm/nv50: proper notifier_bo access in nv50_display_vblank_crtc_handler()

[Pekka Paalanen]

Signed-off-by: Pekka Paalanen <pq at iki.fi>
---
 drivers/gpu/drm/nouveau/nv50_display.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index ee3905d..b81dc16 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -639,14 +639,12 @@ nv50_display_vblank_crtc_handler(struct drm_device *dev, int crtc)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_channel *chan;
 	struct list_head *entry, *tmp;
-	uint32_t *sem;
 
 	list_for_each_safe(entry, tmp, &dev_priv->vbl_waiting) {
 		chan = list_entry(entry, struct nouveau_channel, nvsw.vbl_wait);
 
-		sem = chan->notifier_bo->kmap.virtual;
-		sem[chan->nvsw.vblsem_offset] = chan->nvsw.vblsem_rval;
-
+		nouveau_bo_wr32(chan->notifier_bo, chan->nvsw.vblsem_offset,
+						chan->nvsw.vblsem_rval);
 		list_del(&chan->nvsw.vbl_wait);
 	}
 }
-- 
1.6.3.3