drm: Allow vblank support without DRIVER_HAVE_IRQ

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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>

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Thierry Reding 2013-01-14 16:05:56 +00:00 • committed by Dave Airlie

parent 1e6d17a5df

commit 03f6509df9

1 changed files with 3 additions and 2 deletions

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drivers/gpu/drm/drm_irq.c

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