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[209.85.128.182]) by smtp.gmail.com with ESMTPSA id fz18-20020a05622a5a9200b0031eb393aa45sm5211796qtb.40.2022.08.29.07.15.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Aug 2022 07:15:07 -0700 (PDT) Received: by mail-yw1-f182.google.com with SMTP id 00721157ae682-33dce2d4bc8so198861817b3.4; Mon, 29 Aug 2022 07:15:06 -0700 (PDT) X-Received: by 2002:a25:415:0:b0:696:814:7c77 with SMTP id 21-20020a250415000000b0069608147c77mr8612505ybe.36.1661782506395; Mon, 29 Aug 2022 07:15:06 -0700 (PDT) MIME-Version: 1.0 References: <20220817131454.qcuywcuc4ts4hswm@houat> <20220818123934.eim2bfrgbxsmviqx@houat> <20220818134200.cr22bftmjn226ehn@houat> <20220818154641.ouvrar5s74qu74zn@houat> <6d1dfaad-7310-a596-34dd-4a6d9aa95f65@gmail.com> <20220829132953.sfv5yex2dhv76vrq@houat> In-Reply-To: <20220829132953.sfv5yex2dhv76vrq@houat> From: Geert Uytterhoeven Date: Mon, 29 Aug 2022 16:14:54 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v1 04/35] drm/modes: Introduce 480i and 576i modes To: Maxime Ripard Cc: Mateusz Kwiatkowski , Jernej Skrabec , Martin Blumenstingl , Chen-Yu Tsai , Philipp Zabel , Jerome Brunet , Samuel Holland , Thomas Zimmermann , Daniel Vetter , Emma Anholt , David Airlie , Maarten Lankhorst , =?UTF-8?Q?Noralf_Tr=C3=B8nnes?= , Kevin Hilman , Neil Armstrong , linux-sunxi@lists.linux.dev, Linux Kernel Mailing List , Phil Elwell , Linux ARM , Dave Stevenson , "open list:ARM/Amlogic Meson..." , DRI Development , Dom Cobley X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220829_071511_384990_F5FBBC11 X-CRM114-Status: GOOD ( 24.29 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Maxime, On Mon, Aug 29, 2022 at 3:30 PM Maxime Ripard wrote: > On Wed, Aug 24, 2022 at 06:42:18PM +0200, Mateusz Kwiatkowski wrote: > > - Speaking of closed captioning... a lot of different stuff were put in the > > blanking interval over the years. Like teletext in Europe. There are projects > > like VBIT2 which intentionally > > reconfigure the Raspberry Pi composite output to include the blanking interval > > in the framebuffer so that teletext can be output by drawing on the edge of > > the "screen" (from the computer point of view). > > I'm not sure how we would support this in KMS to be honest. Asking for a > wider mode and the userspace putting whatever it wants in the margins > seems like a good choice. s/wider/higher/ Teletext is transmitted in the "visible" parts of (horizontal) lines, but during the vertical blank. 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel