[rescue] 1920x1080 on LCD with a TGX+ :-)

[Andrew Jones]

On 02/27/2016 01:46 PM, Andrew Jones wrote:
> On 02/27/2016 12:45 PM, Romain Dolbeau wrote:
>> I didn't get all that I wanted - the LCDs won't sync properly to many
>> signals, and only display partial resolutions of others (such as
>> 1920x1200
>> displayed as 1600x1200 by a SyncMaster T260). Perhaps the LCDs aren't
>> comfortable with the composite sync.
>
> This may not be a sign that your settings are wrong.
>
> I've been having this problem with an 'ifb' device.  1920x1200 is
> supposedly a supported resolution, but my only ostensibly-compatible
> monitor detects it as 4:3, and squashes everything.
>
> 1600x1200 works just fine.


I just had a thought. On a PC graphics card, 1920x1080 and 1920x1200 
would typically be "reduced blanking" modes, intended only for use with 
LCDs.

I wonder if I could persuade the Sun to output something similar, and 
have my monitor pick it up as 16:9 / 16:10.