From: Ilia Mirkin <imir...@alum.mit.edu>

[ Upstream commit a5176a4cb85bb6213daadf691097cf411da35df2 ]

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108980
Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
Signed-off-by: Ben Skeggs <bske...@redhat.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/nouveau/nvkm/engine/falcon.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c
index 816ccaedfc73..8675613e142b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/falcon.c
@@ -22,6 +22,7 @@
 #include <engine/falcon.h>
 
 #include <core/gpuobj.h>
+#include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <engine/fifo.h>
 
@@ -107,8 +108,10 @@ nvkm_falcon_fini(struct nvkm_engine *engine, bool suspend)
                }
        }
 
-       nvkm_mask(device, base + 0x048, 0x00000003, 0x00000000);
-       nvkm_wr32(device, base + 0x014, 0xffffffff);
+       if (nvkm_mc_enabled(device, engine->subdev.index)) {
+               nvkm_mask(device, base + 0x048, 0x00000003, 0x00000000);
+               nvkm_wr32(device, base + 0x014, 0xffffffff);
+       }
        return 0;
 }
 
-- 
2.19.1

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