1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 3f05414c077c..5606c25e5d02 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -1097,9 +1097,14 @@ gf100_gr_intr(struct nvkm_subdev *subdev)
         u32 subc = (addr & 0x00070000) >> 16;
         u32 data = nv_rd32(priv, 0x400708);
         u32 code = nv_rd32(priv, 0x400110);
-        u32 class = nv_rd32(priv, 0x404200 + (subc * 4));
+        u32 class;
         int chid;
 
+        if (nv_device(priv)->card_type < NV_E0 || subc < 4)
+                class = nv_rd32(priv, 0x404200 + (subc * 4));
+        else
+                class = 0x0000;
+
         engctx = nvkm_engctx_get(engine, inst);
         chid   = pfifo->chid(pfifo, engctx);