drm/i915: Assert that we successfully downclock the GPU before suspend

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Before suspending, we wait upon the outstanding GPU requests and flush
our pending idle handlers. This should downclock the GPU to its lowest
power state. Add a WARN to check that the delayed tasks were run and did
their job properly.

Suggested-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Chris Wilson 2014-11-25 11:56:33 +00:00 • committed by Daniel Vetter

parent 4feb765943

commit bdcf120bfc

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/i915/i915_gem.c

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