drm/i915: Order assert forcewake test

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Read the current value before computing the expected to ensure that if
the timer does complete early (against our will), it should not cause a
false positive.

v2: The local irq disable did not prevent the timer from running.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111074
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190705074604.16496-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-07-05 08:45:57 +01:00

parent eef037ea02

commit badf1f2724

1 changed files with 3 additions and 4 deletions

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7

drivers/gpu/drm/i915/intel_uncore.c

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