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Commit 65e5ecb0 authored by Yuanhan Liu's avatar Yuanhan Liu Committed by Chris Wilson
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drm/i915: Add untraced register read/write interface 



This will be used later to hide the frequently written registers
from debug traces in order to increase the signal-to-noise.

Signed-off-by: default avatarYuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent ba4f01a3

drivers/gpu/drm/i915/i915_drv.h

+5 −0
Original line number Diff line number Diff line
@@ -1229,6 +1229,11 @@ i915_write(struct drm_i915_private *dev_priv, u32 reg, u64 val, int len) 
#define POSTING_READ(reg)	(void)I915_READ(reg)

#define POSTING_READ16(reg)	(void)I915_READ16(reg)



#define I915_READ_NOTRACE(reg)		readl(dev_priv->regs + (reg))

#define I915_WRITE_NOTRACE(reg, val)	writel(val, dev_priv->regs + (reg))

#define POSTING_READ_NOTRACE(reg)	(void)I915_READ_NOTRACE(reg)





#define BEGIN_LP_RING(n) \

	intel_ring_begin(&dev_priv->render_ring, (n))