Re: [PATCH] Revert "drivers/firmware: Move sysfb_init() from device_initcall to subsys_initcall_sync"

[Javier Martinez Canillas]

Thomas Zimmermann <tzimmermann@xxxxxxx> writes:

> This reverts commit 60aebc9559492cea6a9625f514a8041717e3a2e4.
>
> Commit 60aebc9559492cea ("drivers/firmware: Move sysfb_init() from
> device_initcall to subsys_initcall_sync") messes up initialization order
> of the graphics drivers and leads to blank displays on some systems. So
> revert the commit.
>
> To make the display drivers fully independent from initialization
> order requires to track framebuffer memory by device and independently
> from the loaded drivers. The kernel currently lacks the infrastructure
> to do so.
>
> Reported-by: Jaak Ristioja <jaak@xxxxxxxxxxx>
> Closes: https://lore.kernel.org/dri-devel/ZUnNi3q3yB3zZfTl@P70.localdomain/T/#t
> Reported-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> Closes: https://lore.kernel.org/dri-devel/20231108024613.2898921-1-chenhuacai@xxxxxxxxxxx/
> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10133
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Cc: Javier Martinez Canillas <javierm@xxxxxxxxxx>
> Cc: Thorsten Leemhuis <regressions@xxxxxxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> ---

Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat