drm/i915: there's no PIPESTAT on HAS_PCH_SPLIT platforms
authorPaulo Zanoni <paulo.r.zanoni@intel.com>
Fri, 22 Mar 2013 17:24:16 +0000 (14:24 -0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Sat, 23 Mar 2013 12:33:50 +0000 (13:33 +0100)
commit4f3308b9754cb0a4467ccaca4f3ccee42d803620
tree49795ec3a368d93dbb657e5185253051abc1695b
parent80ca378b7675c04038afae02b33b4b7d48811d2d
drm/i915: there's no PIPESTAT on HAS_PCH_SPLIT platforms

So don't read it when capturing the error state. This solves
"unclaimed register" messages on Haswell when we have a GPU hang.

V2: Check for HAS_PCH_SPLIT instead of Gen5+ because VLV still has
this register.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_irq.c