Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Javier Martinez Canillas <javierm@redhat.com>
To:     Arnd Bergmann <arnd@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>
Cc:     linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        Russell King <linux@armlinux.org.uk>,
        dri-devel@lists.freedesktop.org, Ard Biesheuvel <ardb@kernel.org>,
        Helge Deller <deller@gmx.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>, Guo Ren <guoren@kernel.org>,
        linux-riscv@lists.infradead.org, linux-csky@vger.kernel.org
Subject: Re: [PATCH 1/4] vgacon: rework Kconfig dependencies
In-Reply-To: <20230707095415.1449376-1-arnd@kernel.org>
References: <20230707095415.1449376-1-arnd@kernel.org>
Date:   Fri, 07 Jul 2023 15:17:01 +0200
Message-ID: <87mt07yi7m.fsf@minerva.mail-host-address-is-not-set>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Arnd Bergmann <arnd@kernel.org> writes:

Hello Arnd,

> From: Arnd Bergmann <arnd@arndb.de>
>
> The list of dependencies here is phrased as an opt-out, but this is missing
> a lot of architectures that don't actually support VGA consoles, and some
> of the entries are stale:
>
>  - powerpc used to support VGA consoles in the old arch/ppc codebase, but
>    the merged arch/powerpc never did
>
>  - arm lists footbridge, integrator and netwinder, but netwinder is actually
>    part of footbridge, and integrator does not appear to have an actual
>    VGA hardware, or list it in its ATAG or DT.
>
>  - mips has a few platforms (jazz, sibyte, and sni) that initialize
>    screen_info, on everything else the console is selected but cannot
>    actually work.
>
>  - csky, hexgagon, loongarch, nios2, riscv and xtensa are not listed
>    in the opt-out table and declare a screen_info to allow building
>    vga_con, but this cannot work because the console is never selected.
>
> Replace this with an opt-in table that lists only the platforms that
> remain. This is effectively x86, plus a couple of historic workstation
> and server machines that reused parts of the x86 system architecture.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Both our explanation and changes look good to me.

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat