There are some monitors that can downscale internally. Technically EDID 1.4 lets you advertise that capability, but I don't think I've ever seen that advertised on HDMI. But, if you can feed it a too-large mode and see the edges, I'd bet that's what's happening: the sink is downscaling because it's better than showing nothing.
I would then expect the 1:1 pixel mode to just be oddly programmed when downscaling. But consider the monitor's position: you've asked it for perfect pixels, but are giving it more pixels than it has available as a display surface. What counts as "perfect" here?
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Re: Yeah, there's all sort of bizarreness
Date: 2012-01-04 04:43 am (UTC)I would then expect the 1:1 pixel mode to just be oddly programmed when downscaling. But consider the monitor's position: you've asked it for perfect pixels, but are giving it more pixels than it has available as a display surface. What counts as "perfect" here?