1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c
index bdd2afe29205..f1e4b9e07d14 100644
--- a/drivers/gpu/drm/nouveau/nv50_fb.c
+++ b/drivers/gpu/drm/nouveau/nv50_fb.c
@@ -2,6 +2,7 @@
 #include "drm.h"
 #include "nouveau_drv.h"
 #include "nouveau_drm.h"
+#include "nouveau_fifo.h"
 
 struct nv50_fb_priv {
         struct page *r100c08_page;
@@ -212,6 +213,7 @@ static struct nouveau_enum vm_fault[] = {
 void
 nv50_fb_vm_trap(struct drm_device *dev, int display)
 {
+        struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
         struct drm_nouveau_private *dev_priv = dev->dev_private;
         const struct nouveau_enum *en, *cl;
         unsigned long flags;
@@ -236,7 +238,7 @@ nv50_fb_vm_trap(struct drm_device *dev, int display)
         /* lookup channel id */
         chinst = (trap[2] << 16) | trap[1];
         spin_lock_irqsave(&dev_priv->channels.lock, flags);
-        for (ch = 0; ch < dev_priv->engine.fifo.channels; ch++) {
+        for (ch = 0; ch < pfifo->channels; ch++) {
                 struct nouveau_channel *chan = dev_priv->channels.ptr[ch];
 
                 if (!chan || !chan->ramin)