From: Geert Uytterhoeven <geert@linux-m68k.org>
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>,
Catalin Marinas <catalin.marinas@arm.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>,
Ingo Molnar <mingo@redhat.com>,
Javier Martinez Canillas <javierm@redhat.com>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Khalid Aziz <khalid@gonehiking.org>,
Linus Walleij <linus.walleij@linaro.org>,
Matt Turner <mattst88@gmail.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Russell King <linux@armlinux.org.uk>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Thomas Gleixner <tglx@linutronix.de>,
WANG Xuerui <kernel@xen0n.name>, Wei Liu <wei.liu@kernel.org>,
Will Deacon <will@kernel.org>,
x86@kernel.org, linux-alpha@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org,
linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org,
linux-ia64@vger.kernel.org, loongarch@lists.linux.dev,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org,
sparclinux@vger.kernel.org, linux-hyperv@vger.kernel.org
Subject: Re: [PATCH v3 1/9] vgacon: rework Kconfig dependencies
Date: Tue, 10 Oct 2023 12:26:07 +0200 [thread overview]
Message-ID: <CAMuHMdU6MFLCOe4BSWr5oVC4JcLpBS+2PvQsoSEWMLRAFpvaGA@mail.gmail.com> (raw)
In-Reply-To: <20231009211845.3136536-2-arnd@kernel.org>
Hi Arnd,
On Mon, Oct 9, 2023 at 11:19 PM Arnd Bergmann <arnd@kernel.org> wrote:
> 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 (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@redhat.com>
> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
> Reviewed-by: Khalid Aziz <khalid@gonehiking.org>
> Acked-by: Helge Deller <deller@gmx.de>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Thanks for your patch!
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
A few suggestions for simplification below...
> --- 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) || \
You can drop "ARM &&", as it is implied by ARCH_FOOTBRIDGE.
> + (MIPS && (MIPS_MALTA || SIBYTE_BCM112X || SIBYTE_SB1250 || SIBYTE_BCM1x80 || SNI_RM))
Likewise for "MIPS &&".
The 3 SIBYTE dependencies can be replaced by SIBYTE_SB1xxx_SOC.
> select APERTURE_HELPERS if (DRM || FB || VFIO_PCI_CORE)
> default y
> help
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2023-10-10 10:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-09 21:18 [PATCH v3 0/9] video: screen_info cleanups Arnd Bergmann
2023-10-09 21:18 ` [PATCH v3 1/9] vgacon: rework Kconfig dependencies Arnd Bergmann
2023-10-10 10:26 ` Geert Uytterhoeven [this message]
2023-10-09 21:18 ` [PATCH v3 2/9] vgacon: rework screen_info #ifdef checks Arnd Bergmann
2023-10-09 21:18 ` [PATCH v3 3/9] dummycon: limit Arm console size hack to footbridge Arnd Bergmann
2023-10-09 21:18 ` [PATCH v3 4/9] vgacon, arch/*: remove unused screen_info definitions Arnd Bergmann
2023-10-09 21:18 ` [PATCH v3 5/9] vgacon: remove screen_info dependency Arnd Bergmann
2023-10-09 21:18 ` [PATCH v3 6/9] vgacon: clean up global screen_info instances Arnd Bergmann
2023-10-09 21:18 ` [PATCH v3 7/9] vga16fb: drop powerpc support Arnd Bergmann
2023-10-09 21:18 ` [PATCH v3 8/9] hyperv: avoid dependency on screen_info Arnd Bergmann
2023-10-09 21:18 ` [PATCH v3 9/9] efi: move screen_info into efi init code Arnd Bergmann
2023-10-10 9:39 ` Catalin Marinas
2023-10-10 11:48 ` [PATCH v3 0/9] video: screen_info cleanups Daniel Vetter
2023-10-10 12:20 ` Greg Kroah-Hartman
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