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drm/i915: Fix infinite loop regression from 21dd3734
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 7 Feb 2011 13:09:31 +0000 (13:09 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 7 Feb 2011 14:33:55 +0000 (14:33 +0000)
commitd9bc7e9f32716901c617e1f0fb6ce0f74f172686
tree70cda44be76ffa39b0efc03137732b842e5d8b6etree | snapshot
parentdcbe6f2b3d136995915e2f9ecc7d4f3b28f47b6ccommit | diff
drm/i915: Fix infinite loop regression from 21dd3734

By returning EAGAIN upon a wedged GPU before attempting to wait, we
would hit an infinite loop of repeating operation without ever
progressing. Instead this needs to be EIO so that userspace knows that
the GPU is truly wedged and not in the process of error recovery.

Similarly, we need to handle the error recovery during i915_gem_fault.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/i915_gem.c diff | blob | history
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