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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 CDA6AEB48F2 for ; Thu, 12 Feb 2026 09:58:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mkGWUPE4kbgIrGU7OKLJU4AZXsAD3UfwYSHh1C3eZ8s=; b=j/Cqwu4NvhSvCWtU3PwQaJQqFO CByyK4S2M0le50fbJwoNwzKWg/hKneFVtKhtNQupjoezGrClzI8PZZNMjrjN0vS2gIw5LdZwzG1AY wvpfPC/v0krtrkAhTo6WT2Y4rZNfyJ1VbUjt0/HGu/jhpHNbjKWJ1ZQxICQKWVoD+/i+SjzBcBvwa NssNQDjA9/52XKuICzwEvwYmayi/Ldi5h6bdRwVGDCyMl3+fWBhJdnp2TtK3aPxOalX4pM31DNz3B ebAFOKrdte8ZjOCrcpP4zqHK8dVG3AR7cc9GThh0vwrSL1WDR1Wx27w/wU04/bH1n2s28/0dtW43f 9Pd9V0nA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vqTST-00000001sSA-3hKc; Thu, 12 Feb 2026 09:58:01 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vqTSR-00000001sRV-2QB0; Thu, 12 Feb 2026 09:58:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1770890277; bh=iI/SDCfh9dwezKTtvQ5Eybbk3cWcaOxqf8BgHUVGu8o=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Qx7j6msvSlwIPvhIdnaGJURYQJkiClQGtAQfeUMjbThdUhwbtD9koTFe30N5bQIdI FfIWh7nHzqo4b6RTawfBl4XbzBXO7IlCFn9K91gB03B4F+oTBpVfcD7P/7Bhvs5h5r 1Io7K5e/NB+IfMj3SMejAhjBQV+qSb3CQBW8b/+VfhMep11NCKOU1fQbYgi72ydSLY SY+ebUYoCvIlL3FbRcV0wHnbjoDQMM1SBZPwQfUlMYpe85yXmIqofgRx8151AmQb1E yqrXotGuKvxk8Rwb5DY6jC3bYANmqGMlbuahyp60zjeZV+jg5TdiMLly2mFtkRgV01 /qihAKdQ/E9dw== 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 93A7917E1305; Thu, 12 Feb 2026 10:57:56 +0100 (CET) Message-ID: <01682ecb-b3bc-41de-94e0-83271ba121a4@collabora.com> Date: Thu, 12 Feb 2026 10:57:56 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6/7] arm64: dts: mt8167: Add the mmsys reset bit to reset dsi To: Luca Leonardo Scorcia , linux-mediatek@lists.infradead.org Cc: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , Philipp Zabel , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <72dcec7fe8bfd8ee7e8ef58708690268f3c07d42.1770836190.git.l.scorcia@gmail.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260212_015759_767652_53E75F98 X-CRM114-Status: GOOD ( 14.11 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Il 12/02/26 09:01, Luca Leonardo Scorcia ha scritto: > I apologize for the mistake, I did not notice that the dsi node is not > present upstream yet, so this specific patch won't apply. Any comments > are appreciated though! > I will send a separate patch to add the display nodes to the dts and > the required compatibles to the bindings. > Initially, I didn't notice either. P.S.: resets goes after phy (alphabetical order) Cheers > Il giorno mer 11 feb 2026 alle ore 20:06 Luca Leonardo Scorcia > ha scritto: >> >> DSI hardware reset is needed to prevent different settings between >> the bootloader and the kernel. >> >> Signed-off-by: Luca Leonardo Scorcia >> --- >> arch/arm64/boot/dts/mediatek/mt8167.dtsi | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/mediatek/mt8167.dtsi b/arch/arm64/boot/dts/mediatek/mt8167.dtsi >> index caf51f203dd3..ee2792d53b2c 100644 >> --- a/arch/arm64/boot/dts/mediatek/mt8167.dtsi >> +++ b/arch/arm64/boot/dts/mediatek/mt8167.dtsi >> @@ -8,6 +8,7 @@ >> #include >> #include >> #include >> +#include >> >> #include "mt8167-pinfunc.h" >> >> @@ -189,6 +190,7 @@ dsi: dsi@14012000 { >> <&mmsys CLK_MM_DSI_DIGITAL>, >> <&mipi_tx>; >> clock-names = "engine", "digital", "hs"; >> + resets = <&mmsys MT8167_MMSYS_SW0_RST_B_DISP_DSI0>; >> phys = <&mipi_tx>; >> phy-names = "dphy"; >> status = "disabled"; >> @@ -295,6 +297,7 @@ mmsys: syscon@14000000 { >> compatible = "mediatek,mt8167-mmsys", "syscon"; >> reg = <0 0x14000000 0 0x1000>; >> #clock-cells = <1>; >> + #reset-cells = <1>; >> }; >> >> smi_common: smi@14017000 { >> -- >> 2.43.0 >> > >