gma500: Disable the clock gating of display controller to make DP/eDP work well

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I don't know why the DP/eDP is affected by the clock gating. But the test
shows that it really fixes the DP/eDP clock issue during enabling DP/eDP.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
[Updated to only apply the workaround if the device has DP. We don't want
 to do this on netbooks]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

...

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Zhao Yakui 2012-08-08 13:57:01 +00:00 • committed by Dave Airlie

parent d112a8163f

commit 9a9f5786fc

2 changed files with 28 additions and 0 deletions

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24

drivers/gpu/drm/gma500/cdv_intel_dp.c

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4

drivers/gpu/drm/gma500/psb_intel_reg.h

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