From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) (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 96EF33FE34 for ; Fri, 15 Dec 2023 16:47:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="T8U2npXm" Received: by mail-pf1-f178.google.com with SMTP id d2e1a72fcca58-6cea0ea6817so130065b3a.1 for ; Fri, 15 Dec 2023 08:47:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1702658842; x=1703263642; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=oEPp7VwVape+PRLcyc7DkdEl3azZDbUT/G2Ugu6awLc=; b=T8U2npXm3qapirY0ky8a2EUhybku+uPdQ2H7bdD2uz2Bi3NNWjiLe2fXQ9Zz0ZWeLQ Nd2yQ6jSKzscKqFV1NdJv7mdq6WNmhWXUmCOlnILytEARoIu+C/U5XvrSF3FxOsF2/T4 7uXxLnun3pUIYieo0GpHLuS5r4HJyHBS9uUHjR7wYfu2PrC4jul3BaIVBk+M08w0qsGz TOCb1yJG7G4ATJnCl+dL+iDTDq8zWGkrDpJmUuCgNHS4fQK1emTyjngSLqF+a1qftHp1 4Kge2x2zLAL4FoaPRjrPaEU1n8seeLzbLmN6xyX4gfnoHG+CneZUkx/Rc0ALsGxQdHN6 Z71w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702658842; x=1703263642; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=oEPp7VwVape+PRLcyc7DkdEl3azZDbUT/G2Ugu6awLc=; b=o40viY6bHoHPvazcZxpjXQ2ScImPS7AQYHXx3rXsW/83+/rr1Ez2CJnvbVgsRDHas0 MViPWTdzzOY45pR3cmDuSCAisOksxm58JmLzzpI+3ATsdXnrwOtM5emgx+5q8cZXTr/B ydtB8TGoWlmyOGWEa6+jS8NAybPHzcud61efL+ECoQtJSmFw1lsK6/gDaPJSDEuD2jVH 8fgXFuLAsCTpOmXVN7tTuu6OoiPOorKjcIHbEmAh1mAbLTT6AgTIpnNgm2VTXyb69W7o jxeFSsYz4CCCxUU1DHSAF8VjY6RrQbi50+hSwMBQRZvUhLzWPiVm4CkgVUlnqBK9T000 78iQ== X-Gm-Message-State: AOJu0YzXtUq59H1SklENA+uZv40tMDdqcUEw9+CTB55vEaZPLqFm/iEi zwiKfQGsb2zOJZYM2VmVVIyN3O+4Zfb+mnN1BKk= X-Google-Smtp-Source: AGHT+IG6XM/cpbPyvUmpGmMVAIiaAGFLNuv+q8LFxY1OkI/0FMeQV7pk1x5j1JLtN7eqshBjH/oZ0QYQ3ZPAjrH5iWo= X-Received: by 2002:a05:6a00:4601:b0:6ce:72d7:1e74 with SMTP id ko1-20020a056a00460100b006ce72d71e74mr25061297pfb.2.1702658841835; Fri, 15 Dec 2023 08:47:21 -0800 (PST) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20230920171009.3193296-1-l.stach@pengutronix.de> <20230920171009.3193296-2-l.stach@pengutronix.de> <20230920205736.GB7723@pendragon.ideasonboard.com> <20231215142308.GL21146@pendragon.ideasonboard.com> In-Reply-To: From: Fabio Estevam Date: Fri, 15 Dec 2023 13:47:09 -0300 Message-ID: Subject: Re: [PATCH v3 2/2] drm/bridge: imx: add driver for HDMI TX Parallel Video Interface To: Adam Ford Cc: Laurent Pinchart , Neil Armstrong , Robert Foss , Krzysztof Kozlowski , Jonas Karlman , Liu Ying , Sandor Yu , dri-devel@lists.freedesktop.org, NXP Linux Team , Jernej Skrabec , patchwork-lst@pengutronix.de, devicetree@vger.kernel.org, Rob Herring , Frieder Schrempf , Andrzej Hajda , Richard Leitner , Luca Ceresoli , Pengutronix Kernel Team , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Adam, On Fri, Dec 15, 2023 at 1:40=E2=80=AFPM Adam Ford wrot= e: > I started looking into this today, but there appears to be some > dependencies missing because the PVI is just one small portion of > this. The PVI needs to interact with the hdmi_blk_ctrl and the hdmi > transmitter itself. > > It looks like there was at least one attempt to push the hdmi driver, > but we're also missing some hdmi power domain information, and the dri > patchwork lists a bunch of proposed patches for the lcdif driver. I > haven't looked through them all, so I don't know if they are > necessary. I found a git repo with Lucas' stuff, but it's based on > the 6.0 kernel, so it's fairly old. Either way it seems like there is > more to the HDMI than just his one series. Here is the whole patchset that I tested against 6.6: https://patchwork.freedesktop.org/patch/485391/ https://patchwork.freedesktop.org/patch/485392/ https://patchwork.freedesktop.org/patch/485395/ https://patchwork.freedesktop.org/patch/515299/ https://patchwork.freedesktop.org/patch/515300/ https://patchwork.kernel.org/project/linux-arm-kernel/patch/20220406153402.= 1265474-12-l.stach@pengutronix.de/