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Commit 049ef7e4 authored by Keith Packard's avatar Keith Packard Committed by Eric Anholt
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drm/i915: x86 always has writeq. Add I915_READ64 for symmetry. 



i386 has inline code for writeq and readq, so just use those instead of ugly
macros which evaluate arguments multiple times.

Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 091438dd

drivers/gpu/drm/i915/i915_drv.h

+1 −6
Original line number Diff line number Diff line
@@ -705,13 +705,8 @@ extern void intel_modeset_cleanup(struct drm_device *dev); 
#define I915_WRITE16(reg, val)	writel(val, dev_priv->regs + (reg))

#define I915_READ8(reg)		readb(dev_priv->regs + (reg))

#define I915_WRITE8(reg, val)	writeb(val, dev_priv->regs + (reg))

#ifdef writeq

#define I915_WRITE64(reg, val)	writeq(val, dev_priv->regs + (reg))

#else

#define I915_WRITE64(reg, val)	(writel(val, dev_priv->regs + (reg)), \

				 writel(upper_32_bits(val), dev_priv->regs + \

					(reg) + 4))

#endif

#define I915_READ64(reg)	readq(dev_priv->regs + (reg))

#define POSTING_READ(reg)	(void)I915_READ(reg)



#define I915_VERBOSE 0