linux/drivers/gpu
Carl Worth 0d7168bcf4 Revert "drm/i915: Don't enable pipe/plane/VCO early (wait for DPMS on)."
This reverts commit cfecde435d.

The commit was first created as an attempt to fix LVDS initialiazation
on Ironlake. Testing revealed that it didn't fix that, but it was
assumed to still be correct anyway.

Subsequent testing has revealed that this commit has caused other
regressions:

  * Change in VBlank interrupt frequency causing 60% 3D performance regression
    http://bugs.freedesktop.org/show_bug.cgi?id=27698

  * Black screen on G45
    http://bugs.freedesktop.org/show_bug.cgi?id=27733

So revert this buggy code for now to revisit later when we can fix
actual bugs without causing these regressions.

Signed-off-by: Carl Worth <cworth@cworth.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
2010-06-02 14:33:30 -07:00
..
drm Revert "drm/i915: Don't enable pipe/plane/VCO early (wait for DPMS on)." 2010-06-02 14:33:30 -07:00
vga Merge remote branch 'anholt/drm-intel-next' into drm-next 2010-05-19 09:35:51 +10:00
Makefile PCI/GPU: implement VGA arbitration on Linux 2009-09-09 13:29:36 -07:00