tree 06c4e5e6bcd30f17b93b933e8f04580a7dbb57af
parent c04e0f3b4ea01b3b1d81ccfce0a73bb0b297ba46
author Chris Wilson <chris@chris-wilson.co.uk> 1460195875 +0100
committer Chris Wilson <chris@chris-wilson.co.uk> 1460200169 +0100

drm/i915: Harden detection of missed interrupts

Only declare a missed interrupt if we find that the GPU is idle with
waiters and a hangcheck interval has passed in which no new user
interrupts have been raised.

v2: Clear the stuck interrupt marker between successful batches

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460195877-20520-3-git-send-email-chris@chris-wilson.co.uk