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 7DF4CC433EF for ; Mon, 25 Jul 2022 06:46:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7397D10ECD9; Mon, 25 Jul 2022 06:46:52 +0000 (UTC) Received: from mail-yb1-xb31.google.com (mail-yb1-xb31.google.com [IPv6:2607:f8b0:4864:20::b31]) by gabe.freedesktop.org (Postfix) with ESMTPS id E9D8310ECD9 for ; Mon, 25 Jul 2022 06:46:50 +0000 (UTC) Received: by mail-yb1-xb31.google.com with SMTP id b143so17182607yba.11 for ; Sun, 24 Jul 2022 23:46:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=a+LHD1Eh7R5NFEh/i7at+5wk7Eyhd6qFs5js/UI+dUc=; b=Ibr9q1wIeBGws91HK3qdE1+wGQ7t0MkwzuOm1Xb3FnQkzuTRYcgaObgz8ynZLO2q52 PA+10trsRKvarVn64dlNZzx6SdntY3tG6R7uP/a3yZTiEgS5/BXsZAPxKqmDTwjgXyyv GeBSJ75Ea/cEKXAv60Z9TTrJB0U/3a9uxk09g= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=a+LHD1Eh7R5NFEh/i7at+5wk7Eyhd6qFs5js/UI+dUc=; b=BpcuGvy/qpdCB6ZP4dC2Qfw68WviI+fDSVe6AFuHw7/CgUKFSOEHrXRXuvuml/KgQG PuFTKzXtLz1QIuriMmoszp7lL4Ums656M87e8EzfpZ/UABZaHZ+0WsdZeu4THLm44st2 YgNR58VW0r3Ob8kHm2z0xxcrk7BJiA9Vg57agE52NgzvQCIM2r860OFBxMoP8YqX7m94 49RWHq9Y42dDbhpzpn3tkN+AS6wzuKo7ThuAG3fgJhzlx0tO62vNjveIdH6puoFxnQn9 tosAg1Rpr8zwXVu1cfxtGgoI37DM1XRC9zDjbAfR1ymVx88Rn3ANoMvMWqMe6ILxnqHi qLpw== X-Gm-Message-State: AJIora/nn71BEc70U+ih8S3mIKynksYXOrBx2iS5+BF3DFfSJRJrC1E4 FBOlZxW/6xomIxbyRAxVHTD1XpUqt7laPuuums9dFg== X-Google-Smtp-Source: AGRyM1vJ0Mmq3F2lfrUDVjqxtvHQmzaTShK7/xuF4iFq5a9n1GXpZWltqxF+0o4P2HADFPt1FvB99qvJNv/yVZEJkrQ= X-Received: by 2002:a25:640c:0:b0:670:91a0:57e3 with SMTP id y12-20020a25640c000000b0067091a057e3mr8294122ybb.204.1658731610056; Sun, 24 Jul 2022 23:46:50 -0700 (PDT) MIME-Version: 1.0 References: <20220721172727.14624-1-angelogioacchino.delregno@collabora.com> In-Reply-To: <20220721172727.14624-1-angelogioacchino.delregno@collabora.com> From: Chen-Yu Tsai Date: Mon, 25 Jul 2022 14:46:39 +0800 Message-ID: Subject: Re: [PATCH] drm/mediatek: dsi: Add atomic {destroy, duplicate}_state, reset callbacks To: AngeloGioacchino Del Regno 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: chunkuang.hu@kernel.org, jitao.shi@mediatek.com, xinlei.lee@mediatek.com, airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org, rex-bc.chen@mediatek.com, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, Jul 22, 2022 at 1:27 AM AngeloGioacchino Del Regno wrote: > > Add callbacks for atomic_destroy_state, atomic_duplicate_state and > atomic_reset to restore functionality of the DSI driver: this solves > vblank timeouts when another bridge is present in the chain. > > Tested bridge chain: DSI <=> ANX7625 => aux-bus panel > > Fixes: 7f6335c6a258 ("drm/mediatek: Modify dsi funcs to atomic operations") > Signed-off-by: AngeloGioacchino Del Regno Tested-by: Chen-Yu Tsai on top of next-20220722 with additional DTSI changes for display related device nodes [1] and modification to mt8192-asurada.dtsi to enable internal display. [1] https://lore.kernel.org/linux-mediatek/20220712114046.15574-1-allen-kh.cheng@mediatek.com/