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[config.txt] disable overscan #43

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[config.txt] disable overscan #43

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worproject
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@worproject worproject commented May 5, 2020

Overscan is not required on HDMI displays, so disable it to get rid of the annoying black borders.

Overscan is not required on HDMI displays, so disable it to get rid of the annoying black borders.
@andreiw
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@andreiw andreiw commented May 5, 2020

Hi,

Thanks for your contribution. Unfortunately pftf/master is basically a read-only repo, as all patches go through upstream edk2-platform. Please propose the change there.

I'm assuming this is valid for any resolution? I've not seen overscan borders on my ASUS 4:3 LCD (DVI).

A

@pbatard
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@pbatard pbatard commented May 5, 2020

@andreiw, actually, this is a config.txt change for the file we provide from this repo, so, for once, this is not an EDK2 patch.

I've been waiting a bit on this to try to figure if I could be possible adverse effects, but I suspect the RPIF doesn't set overscan by default for the few folks using the analog video, which of course we don't expect to be that numerous, so my take is that we want to have this.

@andreiw
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@andreiw andreiw commented May 5, 2020

Got it, good point. Okay then :-).

@worproject
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@worproject worproject commented May 5, 2020

Users having issues with analog video will most likely have to tweak the other overscan_ parameters too.

I've seen the black borders on my old CRT TV as well.

Some displays can resize the image so that there are no black borders anymore. In this case, disabling overscan will have no effect.

@pbatard pbatard closed this in 87e63ae May 5, 2020
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3 participants