From: Ben Skeggs <[email protected]>

- disable BUS completely when GSP-RM detected

Signed-off-by: Ben Skeggs <[email protected]>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/bus/gf100.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/gf100.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/gf100.c
index 80b5aaceeaad..8e1e0b057a0b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/gf100.c
@@ -24,6 +24,8 @@
  */
 #include "priv.h"
 
+#include <subdev/gsp.h>
+
 static void
 gf100_bus_intr(struct nvkm_bus *bus)
 {
@@ -72,5 +74,8 @@ int
 gf100_bus_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
              struct nvkm_bus **pbus)
 {
+       if (nvkm_gsp_rm(device->gsp))
+               return -ENODEV;
+
        return nvkm_bus_new_(&gf100_bus, device, type, inst, pbus);
 }
-- 
2.41.0

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