From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4ED721E4B0; Thu, 19 Sep 2024 13:14:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726751649; cv=none; b=CoKM4YLucrxVo8QAFCTlBGQJcdmztlSh4ulbup/xrQBFqHjwaSa1oy3zY2uJ95k4ijWHK+H4gldJj0rbug17/7+OEZtBJHjlZgNR0sHVqinRe+pH3X3d3iIXvn8nnElmLpgogPQR5Xj+QBkbthi98UG9UqDJFnXYKar/jI8BUkU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726751649; c=relaxed/simple; bh=lVpBhjn/lwbFw1fgMeadNurIObhRHR8S3Xp7BExSnJc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=NF64T8tiy0KATi3BB2/SOrgq2nYzaggNx3KCUd7WoyupaFVPzv114jkiOlBTvoElM0FTCloNAtXo8K+s9EWfkWhMkY1lR9qkaDpfz1ngjngbiSShmJxckCHTTesIdkNrmxjvl14wlxiqU7Sx8u5Po5pPOGpT2+BViFNzFryBjpM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=BMfBjYxS; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="BMfBjYxS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1726751645; bh=lVpBhjn/lwbFw1fgMeadNurIObhRHR8S3Xp7BExSnJc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=BMfBjYxSZUtylya1Dy1KCbuAOar8fp3lQNYaP5lzmtN4ADZ5OFMoSwyvV66BvUwUJ FO0F0Lc/2v3lnr7zQYj0a1L7+kTvgKNcWWhejqNlFPQUU6QvdWuSVnZBR6zz51USIw YkFQkysbTl/ZYYKPea7zEPvtp6yJqY3zQfOyUXGVzE+Yul9rXGk9YYauef8bXfrz9N qnu5u1pqUYGMyVGRPcB4wMpd28Ncd/f75prTefG5Ktxd8O42LnunbWmwt6B6DvI4j9 T2ynEQIIJaS8O6f4kxFjiEiuN84HhwFB4f48vBMOiCEkRJmWBPO+5A0CTHzgSqltwy LpVqf06RQ8vRQ== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id F1D8D17E1516; Thu, 19 Sep 2024 15:14:04 +0200 (CEST) Message-ID: <0a78959a-2d72-47a0-83f1-89065ff48d0a@collabora.com> Date: Thu, 19 Sep 2024 15:14:04 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: mediatek: mt8183-kukui: Disable DPI display interface To: Alper Nebi Yasak , linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org Cc: Pi-Hsun Shih , linux-arm-kernel@lists.infradead.org, Chen-Yu Tsai , Fabien Parent , Krzysztof Kozlowski , Jitao Shi , Matthias Brugger , Pin-yen Lin , linux-kernel@vger.kernel.org, Rob Herring , Conor Dooley References: <20240916162956.267340-1-alpernebiyasak@gmail.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20240916162956.267340-1-alpernebiyasak@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 16/09/24 18:29, Alper Nebi Yasak ha scritto: > Commit 009d855a26fd ("arm64: dts: mt8183: add dpi node to mt8183") adds > a device-tree node for the DPI display interface that feeds the external > display pipeline, to enable HDMI support on the Pumpkin board. > > However, the external display is not fully described on Chrome devices, > blocked by further work on DP / USB-C muxing graph bindings. This > incomplete description currently breaks internal display at least on the > Cozmo board. The same issue was found and fixed on MT8186 devices with > commit 3079fb09ddac ("arm64: dts: mediatek: mt8186-corsola: Disable DPI > display interface"), but the MT8183 change wasn't merged until then. > > Disable the external display interface for the Kukui device family until > the necessary work is done, like in the MT8186 Corsola case. > > Fixes: 009d855a26fd ("arm64: dts: mt8183: add dpi node to mt8183") > Link: https://lore.kernel.org/linux-mediatek/20240821042836.2631815-1-wenst@chromium.org/ > Signed-off-by: Alper Nebi Yasak Reviewed-by: AngeloGioacchino Del Regno