Re: [PATCH 0/6] arch, sysfb: Move screen and edid info into single place

[Thomas Zimmermann <tzimmermann@suse.de>]

Hi

Am 21.11.25 um 16:16 schrieb Ard Biesheuvel:
> On Fri, 21 Nov 2025 at 16:10, Arnd Bergmann <arnd@arndb.de> wrote:
>> On Fri, Nov 21, 2025, at 14:36, Thomas Zimmermann wrote:
>>> Replace screen_info and edid_info with sysfb_primary_device of type
>>> struct sysfb_display_info. Update all users.
>>>
>>> Sysfb DRM drivers currently fetch the global edid_info directly, when
>>> they should get that information together with the screen_info from their
>>> device. Wrapping screen_info and edid_info in sysfb_primary_display and
>>> passing this to drivers enables this.
>>>
>>> Replacing both with sysfb_primary_display has been motivate by the EFI
>>> stub. EFI wants to transfer EDID via config table in a single entry.
>>> Using struct sysfb_display_info this will become easily possible. Hence
>>> accept some churn in architecture code for the long-term improvements.
>> This all looks good to me,
>>
>> Acked-by: Arnd Bergmann <arnd@arndb.de>

Thanks

>>
>> It should also bring us one step closer to eventually
>> disconnecting the x86 boot ABI from the kernel-internal
>> sysfb_primary_display.
>>
> Agreed
>
> Acked-by: Ard Biesheuvel <ardb@kernel.org>

Thanks

>
> I can take patches 1-2 right away, if that helps during the next cycle.

 From my sysfb-focused POV, these patches would ideally all go through 
the same tree, say efi or generic arch, or whatever fits best. Most of 
the other code is only renames anyway.

Best regards
Thomas


-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com
GF: Jochen Jaser, Andrew McDonald, Werner Knoblich, (HRB 36809, AG Nürnberg)



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