diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drv.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 6d749b792088..07a7e6ad5e3b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -1574,6 +1574,20 @@ nv_match_device(struct drm_device *dev, unsigned device, 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 |