From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CF3B6ECAAD2 for ; Mon, 29 Aug 2022 14:15:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E142910F1D4; Mon, 29 Aug 2022 14:15:14 +0000 (UTC) Received: from mail-qk1-f177.google.com (mail-qk1-f177.google.com [209.85.222.177]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0D4A510F1D8 for ; Mon, 29 Aug 2022 14:15:09 +0000 (UTC) Received: by mail-qk1-f177.google.com with SMTP id g21so6097802qka.5 for ; Mon, 29 Aug 2022 07:15:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc; bh=+LNH7GWYgSUzsjvph8IQNcroBifhiDios4fo6CTY2/U=; b=Umq1L58/8ZVt6T36VRrhc6x8It27sWetXhEsskg/w4LPGhJIMvkAQmNjYsV98iyMD6 Mx00vgvUJgORyjpQ6XOKxf2Uj+hPt+gCS/PmjT4T0u3op6FsT6lMwA5lRhMUCOhB3TkG sBq9SPVrmQKw5ZDlWeoUGEe0HEu3VoiHPz+vpEQU7sd0lPjvGPQIWz2bYwUHtUm0eAlz Z1fyy9YxPyaYtG+Ei68Zz60hvJVdGWdgB/RnvqLtKdkGR4XCHal6wsSI8bDQbq6IcHGB Ir5wMeN/w0Na1zgDw+op7nV2Vhzg1xdW8EF78mfVcgARbdZl0FRUWdGQZrW5HojGayK4 Xj+w== X-Gm-Message-State: ACgBeo17RS46DQ2ilAxPbvE+g35BW35CziHtuIKqLLWHMidNhk4dN6d4 BfPKSoX6VaqeCRAl0nwSnCaq00PBtEMf8g== X-Google-Smtp-Source: AA6agR7pP4Z5o2tv9gpFZ0QBglqnrUhwdwaw+sJddgxJNfjGxOOjoPFBm+pd2pUTDtAKUUgsK9DALg== X-Received: by 2002:a05:620a:370f:b0:6bc:1ea1:b466 with SMTP id de15-20020a05620a370f00b006bc1ea1b466mr8544030qkb.564.1661782507481; Mon, 29 Aug 2022 07:15:07 -0700 (PDT) Received: from mail-yw1-f175.google.com (mail-yw1-f175.google.com. [209.85.128.175]) by smtp.gmail.com with ESMTPSA id z20-20020ac87f94000000b003051ea4e7f6sm5471825qtj.48.2022.08.29.07.15.06 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Aug 2022 07:15:06 -0700 (PDT) Received: by mail-yw1-f175.google.com with SMTP id 00721157ae682-334dc616f86so198699597b3.8 for ; 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 Content-Type: text/plain; charset="UTF-8" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Emma Anholt , Neil Armstrong , David Airlie , DRI Development , Phil Elwell , Jerome Brunet , Samuel Holland , Kevin Hilman , Jernej Skrabec , Chen-Yu Tsai , linux-sunxi@lists.linux.dev, Mateusz Kwiatkowski , Martin Blumenstingl , "open list:ARM/Amlogic Meson..." , Linux ARM , Dom Cobley , Dave Stevenson , Linux Kernel Mailing List , =?UTF-8?Q?Noralf_Tr=C3=B8nnes?= , Thomas Zimmermann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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