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drm/nouveau/fifo/gk104: don't attempt recovery of unknown mmu engines

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs 9 years ago
parent
55252da161
commit
acdf7d4f7e
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c

+ 1 - 1
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
View File 

@@ -399,7 +399,7 @@ gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit)
 
 		snprintf(gpcid, sizeof(gpcid), "GPC%d/", gpc);
 
 		snprintf(gpcid, sizeof(gpcid), "GPC%d/", gpc);
 
 	}
 
 	}
 
 
 
-	if (eu) {
 
+	if (eu && eu->data2) {
 
 		switch (eu->data2) {
 
 		switch (eu->data2) {
 
 		case NVKM_SUBDEV_BAR:
 
 		case NVKM_SUBDEV_BAR:
 
 			nvkm_mask(device, 0x001704, 0x00000000, 0x00000000);
 
 			nvkm_mask(device, 0x001704, 0x00000000, 0x00000000);