Re: [Linux-fbdev-devel] [PATCH 3/6] pxa: fix pxa168 lcd controller vsync/hsync timing error

[Eric M. <eri...@gm...>]

>> Could you please help double check this? My understanding is
>> FB_SYNC_VERT_HIGH_ACT means it's a positive pulse covering all the
>> valid HSYNCs, and a rising edge of VSYNC means a start of the frame.
>>
>> However, CFG_INV_VSYNC is '1' means the opposite.
>>
>
> My understanding is that high active means high level trigger new
> frame/line. Below page support my point if it is not wrong.
>
> http://www.arcadecollecting.com/info/Sync_fixing.txt
>

Tried to find the specific diagram in the spec on what CFG_INV_* means
but failed, can you help verified this with an oscilloscope and let know
the result? This is a fix then, and I'd like it to get into .32, sorry for late
reply.