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Fri, 21 Nov 2025 10:10:20 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 X-ThreadId: A5Y7Dcvi2yON Date: Fri, 21 Nov 2025 16:09:50 +0100 From: "Arnd Bergmann" To: "Thomas Zimmermann" , "Ard Biesheuvel" , "Javier Martinez Canillas" Cc: x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, linux-fbdev@vger.kernel.org Message-Id: <96a8d591-29d5-4764-94f9-6042252e53ff@app.fastmail.com> In-Reply-To: <20251121135624.494768-1-tzimmermann@suse.de> References: <20251121135624.494768-1-tzimmermann@suse.de> Subject: Re: [PATCH 0/6] arch,sysfb: Move screen and edid info into single place Content-Type: text/plain Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251121_071025_932098_20BF4D91 X-CRM114-Status: GOOD ( 10.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Nov 21, 2025, at 14:36, Thomas Zimmermann wrote: > Replace screen_info and edid_info with sysfb_primary_device of type > struct sysfb_display_info. Update all users. > > Sysfb DRM drivers currently fetch the global edid_info directly, when > they should get that information together with the screen_info from their > device. Wrapping screen_info and edid_info in sysfb_primary_display and > passing this to drivers enables this. > > Replacing both with sysfb_primary_display has been motivate by the EFI > stub. EFI wants to transfer EDID via config table in a single entry. > Using struct sysfb_display_info this will become easily possible. Hence > accept some churn in architecture code for the long-term improvements. This all looks good to me, Acked-by: Arnd Bergmann It should also bring us one step closer to eventually disconnecting the x86 boot ABI from the kernel-internal sysfb_primary_display. Arnd