[Openchrome-users] VT1625Table problems for 1280x720 and 1920x1080?

[Philip Prindeville]

Dan A. Dickey wrote:
> On Monday 09 April 2007 12:12:11 pm Philip Prindeville wrote:
>   
>> Dan A. Dickey wrote:
>>     
> ...
>   
>>> Shouldn't the 1270 in line 843 be 1280?
>>> And shouldn't the 540 in line 861 be 1080?
>>>       
> ...
>   
>> Yes on the 1280. No on the 1080. 1080I = 540P.
>>     
>
> All right, I changed the 1080 back to 540.  I thought that
> might be possible.
>
> However, this produces the following in my Xorg.0.log when I
> try to start X at 1080i:
> ...
> (II) VIA(0): ViaValidMode: Validating 1920x1080 (74250)
> (II) VIA(0): ViaModePrimaryVGAValid
> (II) VIA(0): VT1625ModeValid
> (II) VIA(0): VT1622ModeIndex
> (WW) VIA(0): width=640:1920, height=480:1080, std=1:6, name=640x480:1920x1080.
> (WW) VIA(0): width=720:1920, height=480:1080, std=3:6, 
> name=720x480Under:1920x1080.
> (WW) VIA(0): width=720:1920, height=480:1080, std=3:6, 
> name=720x480Fit:1920x1080.
> (WW) VIA(0): width=720:1920, height=480:1080, std=3:6, 
> name=720x480Over:1920x1080.
> (WW) VIA(0): width=1280:1920, height=720:1080, std=5:6, 
> name=1280x720:1920x1080.
> (WW) VIA(0): width=1920:1920, height=540:1080, std=6:6, 
> name=1920x1080:1920x1080.
> (WW) VIA(0): width=720:1920, height=576:1080, std=2:6, 
> name=720x576Over:1920x1080.
> (WW) VIA(0): VT1622ModeIndex: Mode "1920x1080" not found in Table
> (II) VIA(0): Mode "1920x1080" not supported by TV encoder.
> ...
>
> The check in VT1622ModeIndex() checks height 1080 against 540,
> which fails.  Should this search in the Table be doubling the Height
> when TVType is 1080I?  Anyone know where the problem and what
> the fix is?  How can I set xorg.conf to bring up 1920x1080i ?
> Later on I'll let you know how the 1280x720P looks.
> Thanks for your help.
> 	-Dan
>   

If you're in interlaced mode, then yes, maybe the height should
be doubled...

But I don't know that code well enough to say.

What does specifying 1920x1080P do?

-Philip