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

Signed-off-by: N Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/fifo/gk104: don't attempt recovery of unknown mmu engines
Signed-off-by: N Ben Skeggs <bskeggs@redhat.com>
acdf7d4f · Ben Skeggs · 55252da1 · acdf7d4f
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Showing with 1 addition and 1 deletion

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

未找到文件。
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -399,7 +399,7 @@ gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit)
 		snprintf(gpcid, sizeof(gpcid), "GPC%d/", gpc);
 	}

-	if (eu) {
+	if (eu && eu->data2) {
 		switch (eu->data2) {
 		case NVKM_SUBDEV_BAR:
 			nvkm_mask(device, 0x001704, 0x00000000, 0x00000000);