drm/nouveau/core: allow vbios parsing without knowing chipset type

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

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/core/engine/device/base.c b/drivers/gpu/drm/nouveau/core/engine/device/base.c
index 9262f27904c8..137e0b0faeae 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/base.c
@@ -29,6 +29,7 @@
 #include <nvif/unpack.h>
 #include <nvif/class.h>
 
+#include <subdev/bios.h>
 #include <subdev/fb.h>
 #include <subdev/instmem.h>
 
@@ -432,6 +433,10 @@ nouveau_devobj_ctor(struct nouveau_object *parent,
                 }
 
                 nv_debug(device, "crystal freq: %dKHz\n", device->crystal);
+        } else
+        if ( (args->v0.disable & NV_DEVICE_V0_DISABLE_IDENTIFY)) {
+                device->cname = "NULL";
+                device->oclass[NVDEV_SUBDEV_VBIOS] = &nouveau_bios_oclass;
         }
 
         if (!(args->v0.disable & NV_DEVICE_V0_DISABLE_MMIO) &&