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Re: KMScon vs. AMD Radeon


From: Ludovic Courtès
Subject: Re: KMScon vs. AMD Radeon
Date: Wed, 03 Apr 2019 22:48:50 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Danny Milosavljevic <address@hidden> skribis:

>> I suggest that we use fbdev (maybe at runtime, but maybe just disable 
>> everything
>> else :P).
>
> Selecting it at runtime should work well.
>
> I've read kmscon source now and they wait for udev events in order to choose 
> backends.
>
> Once an udev event arrives, they check the result of 
> udev_device_get_subsystem().
> If it's "drm", they'll use [drm3d or] drm2d.
> If it's "graphics", they'll use fbdev.
>
> So it supports fbdev just fine and will select it when drm is unavailable.

To summarize, we’re just missing ‘--with-video=fbdev,drm2d’ and then
we’re done, right?

That’d be sweet.

Ludo’.



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