drm/i915: trace down all the register write and read
authorYuanhan Liu <yuanhan.liu@linux.intel.com>
Mon, 8 Nov 2010 09:09:41 +0000 (17:09 +0800)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 8 Nov 2010 09:36:48 +0000 (09:36 +0000)
Add two tracepoints at I915_WRITE/READ for tracing down all the
register write and read.

Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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