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SubjectRe: Blank screen on boot of Linux 6.5 and later on Lenovo ThinkPad L570
Date
Huacai Chen <chenhuacai@kernel.org> writes:

Hello,

> On Wed, Oct 25, 2023 at 6:08 PM Thorsten Leemhuis
> <regressions@leemhuis.info> wrote:

[...]

>>
>> This additional report makes me wonder if we should revert the culprit
>> (60aebc9559492c ("drivers/firmware: Move sysfb_init() from
>> device_initcall to subsys_initcall_sync") [v6.5-rc1]). But I guess that
>> might lead to regressions for some users? But the patch description says
>> that this is not a common configuration, so can we maybe get away with that?
> From my point of view, this is not a regression, 60aebc9559492c
> doesn't cause a problem, but exposes a problem. So we need to fix the
> real problem (SIMPLEDRM has a blank screen on some conditions). This
> needs Jaak or Evan's help.
>

I agree with this.

> Huacai

--
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat

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