[Intel-gfx] [PATCH 1/4] drm/i915: Configure the TV sense state correctly on GM45 to make TV detection reliable

[Adam Jackson]

On Wed, 2010-04-07 at 17:11 +0800, Zhenyu Wang wrote:
> From: ykzhao <yakui.zhao at intel.com>
> 
> The TV detection logic is not reliable on the Cantiga platform.
> Sometimes the TV will be misdetected as the following two cases:
> - TV is misdetected on some laptops. e.g. There is no TV connector
> port or no TV is attached. But the TV is shown as connected.
> - TV connector type is misdetected. e.g. the component TV is
> attached, but the TV is shown as S-video type.
> 
> According to the hardware requirement, the TV sense state bits of TV DAC
> register should be cleared to zero on Cantiga platfrom.

Is it worth doing this for all platforms?  Seems like it can't hurt.

- ajax
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