Messages in this thread | | | From | Keith Packard <> | Subject | Re: [PATCH 2/6] gpu: host1x: Fix syncpoint wait return value | Date | Tue, 28 May 2013 13:12:12 -0600 |
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Thierry Reding <thierry.reding@gmail.com> writes:
> That doesn't sound right. Maybe drmIoctl() needs fixing instead. Looking > at the history, drmIoctl() was introduced to automatically loop if a > signal was received (commit 8b9ab108ec1f2ba2b503f713769c4946849b3cb2). > However the ioctl(3p) manpage doesn't mention that ioctl() returns > EAGAIN in case it is interrupted by a signal.
EAGAIN is being returned when the GPU is wedged to ask the application to re-submit the request, which will presumably be held until the GPU is un-wedged.
-- keith.packard@intel.com [unhandled content-type:application/pgp-signature] | |