drm/i915: POSTING_READs are simply flushes and so irrelevant to tracing
commit374c479bef7ecd2b41d6dd6e24aa21d73b3afae5
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 8 Nov 2010 21:07:24 +0000 (8 21:07 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 8 Nov 2010 21:09:52 +0000 (8 21:09 +0000)
treee9d72ff6735fb3a4b20c1bb5b681eb2b38e900ab
parentdb5e4172a023cff68b3597ace8a5390b02669d27
drm/i915: POSTING_READs are simply flushes and so irrelevant to tracing

As we use POSTING_READ to flush the write to the register before
proceeding, we do not care what the return value is and similar we do
not care for the read to be recorded whilst tracing register
read/writes.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/intel_i2c.c