From: Ben Skeggs <bskeggs@redhat.com>
Date: Sat, 9 Aug 2014 18:10:20 +0000 (+1000)
Subject: drm/nouveau/core: rework event interface
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~96^2~53
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79ca27706a034b683196c85f5c6901b78e5ab8f0;p=pandora-kernel.git

drm/nouveau/core: rework event interface

This is a lot of prep-work for being able to send event notifications
back to userspace.  Events now contain data, rather than a "something
just happened" signal.

Handler data is now embedded into a containing structure, rather than
being kmalloc()'d, and can optionally have the notify routine handled
in a workqueue.

Various races between suspend/unload with display HPD/DP IRQ handlers
automagically solved as a result.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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