drm/i915: Clear per-engine fault register as early as possible

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From gen6, the hardware tracks address lookup failures and we should
clear those registers upon startup to prevent false positives. However,
this was happening before we have the engines defined (intel_uncore_init())
and the for_each_engine loop was just a nop. The earliest we can call
this is inside intel_engines_init_mmio().

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171111004448.12360-1-michel.thierry@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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Michel Thierry 2017-11-10 16:44:47 -08:00 • committed by Chris Wilson

parent dab9178333

commit ce453b3e42

2 changed files with 2 additions and 2 deletions

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2

drivers/gpu/drm/i915/intel_engine_cs.c

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2

drivers/gpu/drm/i915/intel_uncore.c

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