[Intel-gfx] [PATCH] detect hdmi monitor by reading edid

[Zhenyu Wang]

On 2009.07.02 11:18:51 +0800, Ma, Ling wrote:
> >
> >Seems like we don't. I'd like to see us create a general 'detect via
> >EDID' mechanism in DRM though, which pulls just a few bytes over DDC
> >instead of reading the whole block. That would be a whole lot faster.
> Yes, I understand, we only read the whole block in advance.  Because if the status is detected, we have to identify whether it is real HDMI monitor by HDMI identifier in CEA-extension block.

Maybe that could be another interface, we can check for HDMI/DVI/DP type 
according with EDID block, which likely can be used in .get_modes, so
we're sure be fast in detect step.

-- 
Open Source Technology Center, Intel ltd.

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