drm/i915: POSTING_READ IPS_CTL before waiting for the vblank

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Make sure we write to IPS before we actually wait.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Paulo Zanoni 2013-09-19 17:03:05 -03:00 • committed by Daniel Vetter

parent 6ceeeec045

commit 81c12f6e78

1 changed files with 1 additions and 0 deletions

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drivers/gpu/drm/i915/intel_display.c

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