drm/i915: Record DERRMR, FORCEWAKE and RING_CTL in error-state
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 15 Jan 2013 12:05:55 +0000 (12:05 +0000)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 15 Jan 2013 12:34:57 +0000 (13:34 +0100)
These are useful for investigating hangs involving WAIT_FOR_EVENT.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Apply a droplet of Future-Proof in the if-ladder.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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