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Date:   Tue, 10 Oct 2023 10:39:13 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     Thomas Zimmermann <tzimmermann@suse.de>,
        linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
        Arnd Bergmann <arnd@arndb.de>,
        "David S. Miller" <davem@davemloft.net>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Ard Biesheuvel <ardb@kernel.org>,
        Borislav Petkov <bp@alien8.de>, Brian Cain <bcain@quicinc.com>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Daniel Vetter <daniel@ffwll.ch>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        David Airlie <airlied@gmail.com>,
        Deepak Rawat <drawat.floss@gmail.com>,
        Dexuan Cui <decui@microsoft.com>,
        Dinh Nguyen <dinguyen@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Guo Ren <guoren@kernel.org>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Helge Deller <deller@gmx.de>,
        Huacai Chen <chenhuacai@kernel.org>,
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Subject: Re: [PATCH v3 9/9] efi: move screen_info into efi init code
Message-ID: <ZSUbwXQCVmuehlKS@arm.com>
References: <20231009211845.3136536-1-arnd@kernel.org>
 <20231009211845.3136536-10-arnd@kernel.org>
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On Mon, Oct 09, 2023 at 11:18:45PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> After the vga console no longer relies on global screen_info, there are
> only two remaining use cases:
> 
>  - on the x86 architecture, it is used for multiple boot methods
>    (bzImage, EFI, Xen, kexec) to commucate the initial VGA or framebuffer
>    settings to a number of device drivers.
> 
>  - on other architectures, it is only used as part of the EFI stub,
>    and only for the three sysfb framebuffers (simpledrm, simplefb, efifb).
> 
> Remove the duplicate data structure definitions by moving it into the
> efi-init.c file that sets it up initially for the EFI case, leaving x86
> as an exception that retains its own definition for non-EFI boots.
> 
> The added #ifdefs here are optional, I added them to further limit the
> reach of screen_info to configurations that have at least one of the
> users enabled.
> 
> Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
> Acked-by: Helge Deller <deller@gmx.de>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  arch/arm/kernel/setup.c                       |  4 ----
>  arch/arm64/kernel/efi.c                       |  4 ----
>  arch/arm64/kernel/image-vars.h                |  2 ++

It's more Ard's thing and he reviewed it already but if you need another
ack:

Acked-by: Catalin Marinas <catalin.marinas@arm.com>