From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f175.google.com (mail-qk1-f175.google.com [209.85.222.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC5A73D65 for ; Mon, 29 Aug 2022 14:15:09 +0000 (UTC) Received: by mail-qk1-f175.google.com with SMTP id s22so3600658qkj.3 for ; Mon, 29 Aug 2022 07:15:09 -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=gDehi3re1kwUEkajavxMc858VJwQON4TwuiNI2fNJnogsBVGQiqIFpWEtPm1gg6Oqm 3sJP8lVFgGbENJyMdsnDkUj5R4qlbjEt2VgdPWXWE5T9d28Q8o7CSSTlmQIu+Q8Jc0pT upAvRz2bTQBKzZil87Ip19tzpKYritO2x1NLJvMf0m4keG0a6A9n49qpYlQyFqzbQ2ff rrWwe/A5qpgCg/zb+ztUSb1nhPdb5ThJxP5FTPdQQ6jYwA/L/QbIXgtj/HSJm6BT4Qp6 YYMgrHNmQ1u5S4lWa25PwCS91fpRvPI+iQtYLlurs01+yACXe3vYt8HFqbxi3cV763nh B33A== X-Gm-Message-State: ACgBeo1ylIekKo2rGm1dqwV1zqE+ZrQu52bCh/Px8D5PkIDgbEZY9Mgy E+lgv4OVsMR1nqC7zFCQojGijng4DmogZQ== X-Google-Smtp-Source: AA6agR4/8xGSvUSBbyovpKqvR7gmRelG8/XNfB3N1x5PtRWm9ajxf0gRCjbcdzn7X3OhOyZ2Ge2+sw== X-Received: by 2002:a37:94d:0:b0:6bb:c0b6:a90e with SMTP id 74-20020a37094d000000b006bbc0b6a90emr8392132qkj.5.1661782508447; Mon, 29 Aug 2022 07:15:08 -0700 (PDT) Received: from mail-yw1-f178.google.com (mail-yw1-f178.google.com. [209.85.128.178]) by smtp.gmail.com with ESMTPSA id d12-20020ac8060c000000b0034454aff529sm5166833qth.80.2022.08.29.07.15.06 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Aug 2022 07:15:07 -0700 (PDT) Received: by mail-yw1-f178.google.com with SMTP id 00721157ae682-33dba2693d0so198202707b3.12 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) Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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 Content-Type: text/plain; charset="UTF-8" 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