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Mon, 22 May 2023 09:06:58 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.9.0-alpha0-431-g1d6a3ebb56-fm-20230511.001-g1d6a3ebb Mime-Version: 1.0 Message-Id: <5dcf01e7-4378-4b4c-9751-454b16270c69@app.fastmail.com> In-Reply-To: <2043cea3-7553-ee9d-4aaa-6f1d22ac4d87@suse.de> References: <20230522105049.1467313-1-schnelle@linux.ibm.com> <20230522105049.1467313-10-schnelle@linux.ibm.com> <2043cea3-7553-ee9d-4aaa-6f1d22ac4d87@suse.de> Date: Mon, 22 May 2023 15:06:37 +0200 From: "Arnd Bergmann" To: "Thomas Zimmermann" , "Niklas Schnelle" , "Dave Airlie" , "Gerd Hoffmann" , "Dave Airlie" , "Daniel Vetter" Subject: Re: [PATCH v5 09/44] drm: handle HAS_IOPORT dependencies Cc: Linux-Arch , Arnd Bergmann , Geert Uytterhoeven , Albert Ou , "Rafael J . Wysocki" , Greg Kroah-Hartman , =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, Alan Stern , Paul Walmsley , Bjorn Helgaas , spice-devel@lists.freedesktop.org, Mauro Carvalho Chehab , Palmer Dabbelt X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Mon, May 22, 2023, at 14:38, Thomas Zimmermann wrote: > Am 22.05.23 um 12:50 schrieb Niklas Schnelle: >> There is also a direct and hard coded use in cirrus.c which according to >> the comment is only necessary during resume. Let's just skip this as >> for example s390 which doesn't have I/O port support also doesen't >> support suspend/resume. > > I think we should consider making cirrus depend on HAS_IOPORT. The > driver is only for qemu's cirrus emulation, which IIRC can only be > enabled for i586. And it has all been deprecated long ago. I tried it out in arm64 debvm, and both the kernel and Xorg drivers are detected just fine according to the log. I only get a black screen, which could be the result of a missing VGA BIOS or the missing unblank Port I/O in the driver (I doubt the VGA ports are hooked up on arm64 qemu), but there is a good chance that it's currently working for someone else. Arnd _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization