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 D725ACA0EF8 for ; Wed, 20 Aug 2025 21:08:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E449B10E377; Wed, 20 Aug 2025 21:08:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="oihkB/d6"; dkim-atps=neutral Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by gabe.freedesktop.org (Postfix) with ESMTPS id 95A5F10E364; Wed, 20 Aug 2025 21:08:05 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 606EBA54B57; Wed, 20 Aug 2025 21:08:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D80C6C4CEE7; Wed, 20 Aug 2025 21:08:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755724084; bh=rkoobUseBl3ZPCzxbYJUmI8ZVFYkuSdLZI+boJGT8UU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=oihkB/d6bpuibPKO7CVwMQ1R8sWllUitiVtdBsUS035RrAaBSORoBP936GmEIOsbu OjULfbVu+pQfvp8jTOoJyz0e6MVlvFM9oi6QWxgpuJQgtivFicURpKEfobLF0866nf qbhhahV5cBcAWDgxDq6/d/tMq50+hvWGhmleVCS+7nvUo0ye0IyNyQVIulpizy/mLO VqV7qeC0YV7tWXSDwSsP7Jin6VG+A++3DMHUBQl3UzhNhwcoLc2ETx3SgG+7ihvuCc wECvB67E1XPAUPi9vquTOpqkaDk6gSIg8erCwUnLSE0K8Rla8SQpyYWiKFqjWS6IJe XJxwBTnEKC6uA== Date: Wed, 20 Aug 2025 16:08:03 -0500 From: "Rob Herring (Arm)" To: Dmitry Baryshkov Cc: Maxime Ripard , Maarten Lankhorst , Rob Clark , Thomas Zimmermann , freedreno@lists.freedesktop.org, Abhinav Kumar , Jessica Zhang , Marijn Suijten , Krzysztof Kozlowski , Sean Paul , Konrad Dybcio , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Simona Vetter , Bjorn Andersson , Dmitry Baryshkov , Abhinav Kumar , Abel Vesa , Mahadevan , Kuogee Hsieh , linux-arm-msm@vger.kernel.org, Conor Dooley , Krzysztof Kozlowski , dri-devel@lists.freedesktop.org, David Airlie Subject: Re: [PATCH v6 5/6] dt-bindings: display/msm: add stream pixel clock bindings for MST Message-ID: <175572408273.1071685.13722769967964549822.robh@kernel.org> References: <20250815-dp_mst_bindings-v6-0-e715bbbb5386@oss.qualcomm.com> <20250815-dp_mst_bindings-v6-5-e715bbbb5386@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250815-dp_mst_bindings-v6-5-e715bbbb5386@oss.qualcomm.com> 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, 15 Aug 2025 17:30:32 +0300, Dmitry Baryshkov wrote: > From: Abhinav Kumar > > On a vast majority of Qualcomm chipsets DisplayPort controller can > support several MST streams (up to 4x). To support MST these chipsets > use up to 4 stream pixel clocks for the DisplayPort controller. Expand > corresponding clock bindings for these platforms and fix example > schema files to follow updated bindings. > > Note: On chipsets that do support MST, the number of streams supported > can vary between controllers. For example, SA8775P supports 4 MST > streams on mdss_dp0 but only 2 streams on mdss_dp1. > > Signed-off-by: Abhinav Kumar > Signed-off-by: Jessica Zhang > Signed-off-by: Dmitry Baryshkov > --- > .../bindings/display/msm/dp-controller.yaml | 63 +++++++++++++++++++++- > .../bindings/display/msm/qcom,sa8775p-mdss.yaml | 20 +++++-- > .../bindings/display/msm/qcom,sar2130p-mdss.yaml | 10 ++-- > .../bindings/display/msm/qcom,sm8750-mdss.yaml | 10 ++-- > .../bindings/display/msm/qcom,x1e80100-mdss.yaml | 10 ++-- > 5 files changed, 99 insertions(+), 14 deletions(-) > Reviewed-by: Rob Herring (Arm)