]> git.karo-electronics.de Git - linux-beck.git/commit
drm/i915/overlay: Workaround i830 overlay activation bug.
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 16 Jul 2010 16:13:01 +0000 (17:13 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 8 Sep 2010 09:23:52 +0000 (10:23 +0100)
commit106dadacbeeea92f61a2c32f3651ee31c1b34e31
tree2f3e22b6fd5d0c1f1c3024613fd2ca9989e70d47
parent5fe82c5ee1ba2d04183c376038c5d233a0311ec9
drm/i915/overlay: Workaround i830 overlay activation bug.

On i830, there exists a bug where an overlay on pipe B requires the mode
clock on pipe A in order to activate. So workaround this by activating
pipe A when trying to enable the overlay on pipe B.

References:

  [Bug 29007] GPU hang on video playback with overlay
  https://bugs.freedesktop.org/show_bug.cgi?id=29007

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/intel_overlay.c