drm/nouveau/fuse/tu102-: prepare for GSP-RM

- disable FUSE completely when GSP-RM detected

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-12-skeggsb@gmail.com

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c
index 7dc99492f536e7c90f5d16fc3c1bcd3c77ecd6b9..d621edbdff9d9ec90bd8656a58b46c4625a5dddb 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c
@@ -23,6 +23,8 @@
  */
 #include "priv.h"
 
+#include <subdev/gsp.h>
+
 static u32
 gm107_fuse_read(struct nvkm_fuse *fuse, u32 addr)
 {
@@ -39,5 +41,8 @@ int
 gm107_fuse_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
               struct nvkm_fuse **pfuse)
 {
+       if (nvkm_gsp_rm(device->gsp))
+               return -ENODEV;
+
        return nvkm_fuse_new_(&gm107_fuse, device, type, inst, pfuse);
 }