drm/i915: Find unclaimed MMIO writes.

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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>

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Ben Widawsky 2012-08-20 16:15:14 -07:00 • committed by Daniel Vetter

parent 71e172e8d1

commit b4c145c1d2

2 changed files with 5 additions and 0 deletions

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4

drivers/gpu/drm/i915/i915_drv.c

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1

drivers/gpu/drm/i915/i915_reg.h

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