drm/nv40: make detection of 0x4097-ful chipsets available everywhere
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 6d749b7..07a7e6a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1574,6 +1574,20 @@
dev->pdev->subsystem_device == sub_device;
}
+/* returns 1 if device is one of the nv4x using the 0x4497 object class,
+ * helpful to determine a number of other hardware features
+ */
+static inline int
+nv44_graph_class(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ if ((dev_priv->chipset & 0xf0) == 0x60)
+ return 1;
+
+ return !(0x0baf & (1 << (dev_priv->chipset & 0x0f)));
+}
+
/* memory type/access flags, do not match hardware values */
#define NV_MEM_ACCESS_RO 1
#define NV_MEM_ACCESS_WO 2