Re: drm: simpledrm: fbdev emulation error with CONFIG_DRM_SIMPLEDRM enabled

Amanoel Dawod kernel at amanoeldawod.com
Fri Aug 27 23:25:59 UTC 2021


Hi

On Thu, Aug 26, 2021, at 2:31 PM, Thomas Zimmermann wrote:
> 
> You said that the resolution is 3840 x 2160, but the attached log says 
> 1024x768. I guess that the former is the monitor's native resolution and 
> the latter is the display mode?
> 

Yes, that's the monitor native resolution and what I was running within Gnome
shell, but I believe since I'm now booting to text mode with only simpledrm
it reports 1024x768.

> The attached patch adds a few extra lines of debugging output. Could you 
> please apply it, rebuild, and report back with the log.
> 
> Best regards
> Thomas
> 

Sure, I applied the patch. Please find new dmesg output attached.

-- 
thanks,
Amanoel
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