Dave Airlie 702880f243 Add i915 ioctls to configure pipes for vblank interrupt. ...

i915 vblanks can be generated from either pipe a or b, however a disabled
pipe generates no interrupts. This change allows the X server to select
which pipe generates vblank interrupts.

From: Keith Packard <keith.packard@intel.com> via DRM CVS
Signed-off-by: Dave Airlie <airlied@linux.ie>

2006-06-24 17:32:58 +10:00

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