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

- disable ACR 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/20230918202149.4343-6-skeggsb@gmail.com

Author: Ben Skeggs

drivers/gpu/drm/nouveau/nvkm/subdev/acr/ga102.c

@@ -20,6 +20,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 #include "priv.h"
+#include <subdev/gsp.h>
 
 #include <nvfw/acr.h>
 
@@ -322,5 +323,8 @@ int
 ga102_acr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	      struct nvkm_acr **pacr)
 {
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
 	return nvkm_acr_new_(ga102_acr_fwif, device, type, inst, pacr);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/acr/tu102.c

@@ -201,5 +201,8 @@ int
 tu102_acr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	      struct nvkm_acr **pacr)
 {
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
 	return nvkm_acr_new_(tu102_acr_fwif, device, type, inst, pacr);
 }