[Intel-gfx] [PATCH 3/4] drm/i915: Ironlake suspend/resume support

[Zhenyu Wang]

On 2009.10.21 10:10:33 +0800, Guo, Chaohong wrote:
> 
>     After resuming from S3,  drm will force-set-mode, and the TRANS_HOTAL_X
> like registers will be set according to HOTAL like registers,  seems that it is not
> necessary to save/restore TRANS_xxx registers. Is it right ?
> 

I think we have a rule that any touched register should be saved/restore for suspend,
to be sure the state is consistent after resume.

-- 
Open Source Technology Center, Intel ltd.

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