"e9d21d7f5ae1e625f3687d88bb50b00478c533ad" (history) in projects: openbmc

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/openbmc/linux/drivers/gpu/drm/i915/
H A D	i915_irq.c	`diff e9d21d7f5ae1e625f3687d88bb50b00478c533ad Thu Oct 16 13:31:38 CDT 2008 Keith Packard <keithp@keithp.com> i915: Protect vblank IRQ reg access with spinlock This uses the same spinlock as the user_irq code as it shares the same register, ensuring that interrupt registers are updated atomically. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>`