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authorKeith Packard <keithp@keithp.com>2010-10-03 00:33:06 -0700
committerChris Wilson <chris@chris-wilson.co.uk>2010-10-03 10:23:26 +0100
commitab7ad7f6451580aa7eccc0ba62807c872088a8f9 (patch)
tree3db4739a40c0276e2c8ee99a9465317360769e90 /drivers/spi/spi_mpc8xxx.c
parentb99a9d9bb62a984bdfcb6c973dfe180bd776abbe (diff)
drm/i915: Use pipe state to tell when pipe is off
Instead of waiting for the display line value to settle, we can simply wait for the pipe configuration register 'state' bit to turn off. Contrarywise, disabling the plane will not cause the display line value to stop changing, so instead we wait for the vblank interrupt bit to get set. And, we only do this when we're not about to wait for the pipe to turn off. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/spi/spi_mpc8xxx.c')
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