From: Javier Martinez Canillas <javierm@redhat.com>
To: Thomas Zimmermann <tzimmermann@suse.de>, chenhuacai@kernel.org
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Thomas Zimmermann <tzimmermann@suse.de>,
Jaak Ristioja <jaak@ristioja.ee>,
Huacai Chen <chenhuacai@loongson.cn>,
Thorsten Leemhuis <regressions@leemhuis.info>,
Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH] Revert "drivers/firmware: Move sysfb_init() from device_initcall to subsys_initcall_sync"
Date: Tue, 23 Jan 2024 14:38:17 +0100 [thread overview]
Message-ID: <871qa8w4om.fsf@minerva.mail-host-address-is-not-set> (raw)
In-Reply-To: <20240123120937.27736-1-tzimmermann@suse.de>
Thomas Zimmermann <tzimmermann@suse.de> 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@ristioja.ee>
> Closes: https://lore.kernel.org/dri-devel/ZUnNi3q3yB3zZfTl@P70.localdomain/T/#t
> Reported-by: Huacai Chen <chenhuacai@loongson.cn>
> Closes: https://lore.kernel.org/dri-devel/20231108024613.2898921-1-chenhuacai@loongson.cn/
> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10133
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Javier Martinez Canillas <javierm@redhat.com>
> Cc: Thorsten Leemhuis <regressions@leemhuis.info>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> ---
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
next prev parent reply other threads:[~2024-01-23 13:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-23 12:09 Thomas Zimmermann
2024-01-23 13:12 ` Huacai Chen
2024-01-23 13:15 ` Thomas Zimmermann
2024-01-23 13:38 ` Javier Martinez Canillas [this message]
2024-01-23 14:39 ` Jani Nikula
2024-01-23 19:17 ` Jani Nikula
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