drm/nouveau/disp: port vblank handling to event interface
authorBen Skeggs <bskeggs@redhat.com>
Wed, 30 Jan 2013 23:23:34 +0000 (09:23 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Wed, 20 Feb 2013 06:00:46 +0000 (16:00 +1000)
This removes the nastiness with the interactions between display and
software engines when handling vblank semaphore release interrupts.

Now, all the semantics are handled in one place (sw) \o/.

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

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