drm/nouveau/devinit/gf100: make the force-post condition more obvious

And also more generic, so it can be used on newer chipsets.

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

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
index e8778c6..9f09037 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c
@@ -95,7 +95,9 @@ gf100_devinit_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
                   struct nvkm_oclass *oclass, void *data, u32 size,
                   struct nvkm_object **pobject)
 {
+       struct nvkm_devinit_impl *impl = (void *)oclass;
        struct nv50_devinit_priv *priv;
+       u64 disable;
        int ret;
 
        ret = nvkm_devinit_create(parent, engine, oclass, &priv);
@@ -103,7 +105,8 @@ gf100_devinit_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
        if (ret)
                return ret;
 
-       if (nv_rd32(priv, 0x022500) & 0x00000001)
+       disable = impl->disable(&priv->base);
+       if (disable & (1ULL << NVDEV_ENGINE_DISP))
                priv->base.post = true;
 
        return 0;