From: Javier Martinez Canillas <javierm@redhat.com>
To: Huacai Chen <chenhuacai@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>,
Huacai Chen <chenhuacai@loongson.cn>,
Arnd Bergmann <arnd@arndb.de>, Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Airlie <airlied@linux.ie>, Jonathan Corbet <corbet@lwn.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-arch <linux-arch@vger.kernel.org>,
Linux Doc Mailing List <linux-doc@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Xuefeng Li <lixuefeng@loongson.cn>,
Yanteng Si <siyanteng@loongson.cn>, Guo Ren <guoren@kernel.org>,
Xuerui Wang <kernel@xen0n.name>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
linux-efi <linux-efi@vger.kernel.org>
Subject: Re: [PATCH V11 09/22] LoongArch: Add boot and setup routines
Date: Fri, 20 May 2022 18:32:11 +0200 [thread overview]
Message-ID: <256e0b82-5d0f-cf40-87c6-c2505d2a6d3b@redhat.com> (raw)
In-Reply-To: <CAAhV-H7yKVWaiU_VKnc2YnCSeZPOwedRWMY8ZTS-VWwk+vE0AA@mail.gmail.com>
On 5/20/22 17:19, Huacai Chen wrote:
> Hi, Javier,
[snip]
>> Conversely, if the sysfb_init() is executed first then the platform device
>> will be registered and latter when the driver's init register the driver
>> this will match the already registered device.
> Yes, you are right, my consideration is too complex. The only real
> problem is a harmless error "efifb: a framebuffer is already
> registered" when both efifb and the native display driver are
> built-in.
>
But this shouldn't be a problem if you drop your register_gop_device() that
registers an "efi-framebuffer", since sysfb would either register a platform
device "simple-framebufer" or "efi-framebuffer", but never both. Those are
mutually exclusive.
I think what's happening now is that sysfb is registering a "simple-framebuffer"
but your register_gop_device() function is also registering an "efi-framebuffer".
--
Best regards,
Javier Martinez Canillas
Linux Engineering
Red Hat
next prev parent reply other threads:[~2022-05-20 16:32 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-18 9:25 [PATCH V11 00/22] arch: Add basic LoongArch support Huacai Chen
2022-05-18 9:25 ` [PATCH V11 01/22] Documentation: LoongArch: Add basic documentations Huacai Chen
2022-05-18 15:34 ` WANG Xuerui
2022-05-18 9:25 ` [PATCH V11 02/22] Documentation/zh_CN: Add basic LoongArch documentations Huacai Chen
2022-05-18 15:32 ` WANG Xuerui
2022-05-20 7:37 ` Guo Ren
2022-05-20 7:43 ` WANG Xuerui
2022-05-18 9:26 ` [PATCH V11 03/22] LoongArch: Add ELF-related definitions Huacai Chen
2022-05-18 9:26 ` [PATCH V11 04/22] LoongArch: Add writecombine support for drm Huacai Chen
2022-05-18 9:26 ` [PATCH V11 05/22] LoongArch: Add build infrastructure Huacai Chen
2022-05-18 15:22 ` WANG Xuerui
2022-05-20 7:25 ` Guo Ren
2022-05-18 9:26 ` [PATCH V11 06/22] LoongArch: Add CPU definition headers Huacai Chen
2022-05-18 15:45 ` WANG Xuerui
2022-05-18 16:12 ` Huacai Chen
2022-05-18 9:26 ` [PATCH V11 07/22] LoongArch: Add atomic/locking headers Huacai Chen
2022-05-18 15:54 ` WANG Xuerui
2022-05-20 7:54 ` Guo Ren
2022-05-20 9:50 ` Huacai Chen
2022-05-20 18:14 ` Guo Ren
2022-05-21 1:55 ` Huacai Chen
2022-05-18 9:26 ` [PATCH V11 08/22] LoongArch: Add other common headers Huacai Chen
2022-05-18 16:04 ` WANG Xuerui
2022-05-18 9:26 ` [PATCH V11 09/22] LoongArch: Add boot and setup routines Huacai Chen
2022-05-18 15:17 ` WANG Xuerui
2022-05-18 16:08 ` Huacai Chen
2022-05-20 9:17 ` Ard Biesheuvel
2022-05-20 9:41 ` Javier Martinez Canillas
2022-05-20 14:09 ` Huacai Chen
2022-05-20 14:23 ` Javier Martinez Canillas
2022-05-20 15:19 ` Huacai Chen
2022-05-20 16:32 ` Javier Martinez Canillas [this message]
2022-05-21 1:40 ` Huacai Chen
2022-05-21 7:06 ` Javier Martinez Canillas
2022-05-21 7:37 ` Huacai Chen
2022-05-21 9:06 ` Javier Martinez Canillas
2022-05-21 9:13 ` Huacai Chen
2022-05-21 9:43 ` Javier Martinez Canillas
2022-05-20 15:53 ` Huacai Chen
2022-05-24 8:27 ` Xi Ruoyao
2022-05-24 10:59 ` Huacai Chen
2022-05-24 12:48 ` 李超
2022-05-18 9:26 ` [PATCH V11 10/22] LoongArch: Add exception/interrupt handling Huacai Chen
2022-05-18 9:26 ` [PATCH V11 11/22] LoongArch: Add process management Huacai Chen
2022-05-18 9:26 ` [PATCH V11 12/22] LoongArch: Add memory management Huacai Chen
2022-05-18 9:26 ` [PATCH V11 13/22] LoongArch: Add system call support Huacai Chen
2022-05-18 9:26 ` [PATCH V11 14/22] LoongArch: Add signal handling support Huacai Chen
2022-05-18 16:13 ` WANG Xuerui
2022-05-18 16:39 ` Eric W. Biederman
2022-05-18 16:54 ` Huacai Chen
2022-05-18 17:17 ` WANG Xuerui
2022-05-18 9:26 ` [PATCH V11 15/22] LoongArch: Add ELF and module support Huacai Chen
2022-05-18 9:26 ` [PATCH V11 16/22] LoongArch: Add misc common routines Huacai Chen
2022-05-18 9:57 ` [PATCH V11 17/22] LoongArch: Add some library functions Huacai Chen
2022-05-18 9:57 ` [PATCH V11 18/22] LoongArch: Add PCI controller support Huacai Chen
2022-05-18 9:57 ` [PATCH V11 19/22] LoongArch: Add VDSO and VSYSCALL support Huacai Chen
2022-05-18 9:57 ` [PATCH V11 20/22] LoongArch: Add multi-processor (SMP) support Huacai Chen
2022-05-18 9:57 ` [PATCH V11 21/22] LoongArch: Add Non-Uniform Memory Access (NUMA) support Huacai Chen
2022-05-18 9:57 ` [PATCH V11 22/22] LoongArch: Add Loongson-3 default config file Huacai Chen
2022-05-18 13:42 ` [PATCH V11 00/22] arch: Add basic LoongArch support Arnd Bergmann
2022-05-18 17:18 ` Huacai Chen
2022-05-18 22:36 ` Stephen Rothwell
2022-05-22 4:18 ` WANG Xuerui
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