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drm/nouveau: add nv_mask register accessor

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-07-23 11:17:57 +10:00
parent 5620ba4680
commit 49eed80ad0
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/nouveau/nouveau_drv.h
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@ -1186,6 +1186,14 @@ static inline void nv_wr32(struct drm_device *dev, unsigned reg, u32 val)
iowrite32_native(val, dev_priv->mmio + reg);
}
static inline void nv_mask(struct drm_device *dev, u32 reg, u32 mask, u32 val)
{
u32 tmp = nv_rd32(dev, reg);
tmp &= ~mask;
tmp |= val;
nv_wr32(dev, reg, tmp);
}
static inline u8 nv_rd08(struct drm_device *dev, unsigned reg)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;