tree 4c16f69a8ae54a6ffafd0c285afe165f63cd086b
parent 1e6d17a5df848cf8e483b689c6295776e9d6d997
author Thierry Reding <thierry.reding@avionic-design.de> 1358179556 +0000
committer Dave Airlie <airlied@redhat.com> 1360295584 +1000

drm: Allow vblank support without DRIVER_HAVE_IRQ

Drivers that register interrupt handlers without the DRM core helpers
don't initialize the .irq_enabled field and drm_dev_to_irq() may fail
when called on them. This shouldn't preclude them from implementing
the vblank IOCTL.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>