> > if you disabled full gpu scaling , how upscaling will work really ? what and
> > how will upscale SD video to 1080p ?
> This setting is only useful if your display device can't scale on its own or 
> the scaling is worse quality. If you enable it the card will always output 
> native resolution at native refresh.
> If disabled the gpu will not touch the mode and output whatever you tell it 
> to, in which case the display itself will have to scale the mode as needed.

let's have a look on the following situation.

I have full HD TV set, which of course can upscale. TV
My xorg.conf has default mode - 1080p

can be 2 situation

With vdr and vdr-xine I'm watching SD 576i channels and after that I switch to 
HD 1080i channel.

Does graphic card do upscale in first variant (with SD channel) ?


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