[Nouveau] [PATCH 07/44] drm/nouveau/bus/tu102-: prepare for GSP-RM

[Ben Skeggs]

From: Ben Skeggs <bskeggs at redhat.com>

- disable BUS completely when GSP-RM detected

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