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authorZhenyu Wang <zhenyuw@linux.intel.com>2009-10-19 03:43:48 -0400
committerEric Anholt <eric@anholt.net>2009-10-19 14:03:37 -0400
commitc038e51e841581cc3fb9a76e5e16331331e9c85c (patch)
tree4bdf6e3aa2eb8f3b97c99c906ec14804b92f90bb /Documentation/sgi-ioc4.txt
parent0d9c778978ff268228c095ae737c282c03a5986d (diff)
drm/i915: fix to setup display reference clock control on Ironlake
For new stepping of PCH, the display reference clock is fully under driver's control. This one trys to setup all needed reference clock for different outputs. Older stepping of PCH chipset should be ignoring this. This fixes output failure issue on newer PCH which requires driver to take control of reference clock enabling. Cc: Stable Team <stable@kernel.org> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'Documentation/sgi-ioc4.txt')
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