Chris Wilson 300387c0b5 drm/i915: Clear the vblank status bit before polling for the next vblank ... The vblank status bit is a sticky bit that must be cleared with a write of '1' prior to polling for the next vblank. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com> jbarnes: I'd still rather see a lock, but I think you're right that we don't generally wait in code that needs not to miss an interrupt. Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>		2010-09-06 23:09:51 +01:00
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drm	drm/i915: Clear the vblank status bit before polling for the next vblank	2010-09-06 23:09:51 +01:00
vga
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