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Message-ID: <aea82980-358a-863f-d6a0-66f4ce3f87b7@gonehiking.org>
Date:   Thu, 20 Jul 2023 12:48:47 -0600
From:   Khalid Aziz <khalid@...ehiking.org>
To:     Arnd Bergmann <arnd@...nel.org>, linux-fbdev@...r.kernel.org,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Helge Deller <deller@....de>,
        Javier Martinez Canillas <javierm@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Borislav Petkov <bp@...en8.de>, Brian Cain <bcain@...cinc.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Daniel Vetter <daniel@...ll.ch>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        David Airlie <airlied@...il.com>,
        Deepak Rawat <drawat.floss@...il.com>,
        Dexuan Cui <decui@...rosoft.com>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guo Ren <guoren@...nel.org>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Matt Turner <mattst88@...il.com>,
        Max Filippov <jcmvbkbc@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Russell King <linux@...linux.org.uk>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        WANG Xuerui <kernel@...0n.name>, Wei Liu <wei.liu@...nel.org>,
        Will Deacon <will@...nel.org>, x86@...nel.org,
        linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-efi@...r.kernel.org,
        linux-csky@...r.kernel.org, linux-hexagon@...r.kernel.org,
        linux-ia64@...r.kernel.org, loongarch@...ts.linux.dev,
        linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-riscv@...ts.infradead.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, linux-hyperv@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2 1/9] vgacon: rework Kconfig dependencies

On 7/19/23 6:39 AM, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.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 (malta, 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.
> 
> Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>
> Reviewed-by: Thomas Zimmermann <tzimmermann@...e.de>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>


Reviewed-by: Khalid Aziz <khalid@...ehiking.org>


> ---
>   drivers/video/console/Kconfig | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
> index 1b5a319971ed0..6af90db6d2da9 100644
> --- a/drivers/video/console/Kconfig
> +++ b/drivers/video/console/Kconfig
> @@ -7,9 +7,9 @@ menu "Console display driver support"
>   
>   config VGA_CONSOLE
>   	bool "VGA text console" if EXPERT || !X86
> -	depends on !4xx && !PPC_8xx && !SPARC && !M68K && !PARISC &&  !SUPERH && \
> -		(!ARM || ARCH_FOOTBRIDGE || ARCH_INTEGRATOR || ARCH_NETWINDER) && \
> -		!ARM64 && !ARC && !MICROBLAZE && !OPENRISC && !S390 && !UML
> +	depends on ALPHA || IA64 || X86 || \
> +		(ARM && ARCH_FOOTBRIDGE) || \
> +		(MIPS && (MIPS_MALTA || SIBYTE_BCM112X || SIBYTE_SB1250 || SIBYTE_BCM1x80 || SNI_RM))
>   	select APERTURE_HELPERS if (DRM || FB || VFIO_PCI_CORE)
>   	default y
>   	help

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