[PATCH] modesetting: Add common 16by9 and 16by10 resolutions to mode list

Michael Cronenworth mike at cchtml.com
Thu Aug 31 17:22:36 UTC 2017

Sorry for the delay.

On 08/23/2017 03:14 PM, Adam Jackson wrote:
> No it doesn't? There exist non-4:3 modes in the xf86DefaultModes list,
> and nothing in the driver looks like it has any preference for 4:3
> modes. How are you reaching this conclusion?

I should have been specific. My VGA/DVI/HDMI devices report all modes while my eDP 
device only reports 4:3 modes.

> Apparently I thought this was such a good idea that I'd implemented it
> in RHEL6:
> https://people.freedesktop.org/~ajax/0006-modes-Combine-xf86DefaultModes-and-DMTModes.patch
> The "name compat" stuff there is just for binary compatibility with
> upstream's Xorg and it's not bothering to delete the default mode
> table, but otherwise that's pretty much the right idea I think.

Would it be appropriate to adopt your patch now? What is it missing?

> As far as updating the DMT list, I think we're missing the equivalent
> of bfcd74d2aeda25a78f7cc92f80650218b1bce0ca from drm, which would add
> several more non-4:3 modes.

Yes, at first glance that may be the core issue. I'll attempt to update it and see 
if my issue is resolved.

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