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alpha, drm: Remove obsolete Alpha support in MGA DRM code 

Remove an obsolete Alpha adjustment in the drm for MGA on Alpha.

Signed-off-by: Jay Estabrook <jay.estabrook@gmail.com>
Tested-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jay Estabrook 2011-06-09 18:19:12 -04:00 committed by Dave Airlie
parent 82ba3fef67
commit 83533c132a
1 changed files with 0 additions and 19 deletions
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19
drivers/gpu/drm/mga/mga_drv.h
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@ -195,29 +195,10 @@ extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
#define mga_flush_write_combine() DRM_WRITEMEMORYBARRIER()
#if defined(__linux__) && defined(__alpha__)
#define MGA_BASE(reg) ((unsigned long)(dev_priv->mmio->handle))
#define MGA_ADDR(reg) (MGA_BASE(reg) + reg)
#define MGA_DEREF(reg) (*(volatile u32 *)MGA_ADDR(reg))
#define MGA_DEREF8(reg) (*(volatile u8 *)MGA_ADDR(reg))
#define MGA_READ(reg) (_MGA_READ((u32 *)MGA_ADDR(reg)))
#define MGA_READ8(reg) (_MGA_READ((u8 *)MGA_ADDR(reg)))
#define MGA_WRITE(reg, val) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF(reg) = val; } while (0)
#define MGA_WRITE8(reg, val) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8(reg) = val; } while (0)
static inline u32 _MGA_READ(u32 *addr)
{
DRM_MEMORYBARRIER();
return *(volatile u32 *)addr;
}
#else
#define MGA_READ8(reg) DRM_READ8(dev_priv->mmio, (reg))
#define MGA_READ(reg) DRM_READ32(dev_priv->mmio, (reg))
#define MGA_WRITE8(reg, val) DRM_WRITE8(dev_priv->mmio, (reg), (val))
#define MGA_WRITE(reg, val) DRM_WRITE32(dev_priv->mmio, (reg), (val))
#endif
#define DWGREG0 0x1c00
#define DWGREG0_END 0x1dff