drm/i915: Find unclaimed MMIO writes.
authorBen Widawsky <ben@bwidawsk.net>
Mon, 20 Aug 2012 23:15:14 +0000 (16:15 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 22 Aug 2012 16:06:26 +0000 (18:06 +0200)
commitb4c145c1d245c2cc19754dbe4b718f5a48755993
tree67047e8b2cfedcb6a37605655f0d78401ada26d7
parent71e172e8d141fc167b1cca28271fd39c8cf63ed3
drm/i915: Find unclaimed MMIO writes.

ERR_INT on HSW will display unclaimed MMIO accesses. This can be either
the result of a driver bug writing to an invalid addresses, or the
result of RC6.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Antti Koskipaa <antti.koskipaa@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/i915_reg.h