Re: [PATCH 11/11] video/aperture: Only remove sysfb on the default vga pci device

From: Javier Martinez Canillas
Date: Thu Jan 12 2023 - 03:47:53 EST


On 1/12/23 08:55, Thomas Zimmermann wrote:

[...]

>> Thanks Daniel and Javier!
>>
>> I wasn't able to reproduce the original problem on my hybrid laptop
>> since it refuses to boot with the console on an external display, but I
>> was able to reproduce it by switching the configuration around: booting
>> with i915.modeset=0 and with an experimental version of nvidia-drm that
>> registers a framebuffer console. I verified that loading nvidia-drm
>
> Thank you for testing.
>
> One thing I'd like to note is that using DRM's fbdev emulation is the
> correct way to support a console. Nvidia-drm's current approach of
> utilizing efifb is fragile and requires workarounds from distributions
> (at least here at SUSE). Steps towards fbdev emulation are much appreciated.
>

I was meaning to mention the same. Fedora also is carrying a workaround just
for the Nvidia proprietary driver since all other drivers provide a emulated
fbdev device.

So getting this finally fixed will be indeed highly appreciated.

--
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat