drm/nouveau/kms/tu102-: disable vbios parsing when running on RM

- on HW, parts of this will still be used to support LVDS
- LVDS appears to have dissapeared before Turing, so this won't be
  needed at all when running on RM
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-31-skeggsb@gmail.com

drivers/gpu/drm/nouveau/nouveau_bios.c

@@ -27,6 +27,8 @@
 #include "dispnv04/hw.h"
 #include "nouveau_encoder.h"
 
+#include <subdev/gsp.h>
+
 #include <linux/io-mapping.h>
 #include <linux/firmware.h>
 
@@ -2087,7 +2089,8 @@ nouveau_bios_init(struct drm_device *dev)
 	int ret;
 
 	/* only relevant for PCI devices */
-	if (!dev_is_pci(dev->dev))
+	if (!dev_is_pci(dev->dev) ||
+	    nvkm_gsp_rm(nvxx_device(&drm->client.device)->gsp))
 		return 0;
 
 	if (!NVInitVBIOS(dev))