From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 64C38217F33; Wed, 3 Sep 2025 22:13:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756937610; cv=none; b=iNaCwPWdfhHXeHcDx67tNAGfPeWGtvY/3LlOa9y/FqMGlbEIYBn6BQZeizPqTdTuPZBrxe786DjgCmDqWQSdYkoHRAwQl2IQhchAQUHVnD6uEasFNGuPvLJpi4H34v90flKtq7beUBxXQhyymcC5PMN8k69dz7hAkuukDVfEPg8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756937610; c=relaxed/simple; bh=oV2NWXl85j6kRtt65I+kwlkxl12a07d3zCpp3cY0u7U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hvVUMOW4RoonsbH1em9fIcyQORrRPHOt5cYSiaWaliRwQxMIIkpfgV6M/xoPrAuo7lZb5IhaEisCCJoFcxqKXboQ4VLyjsGt+KTkVD5b9BLhTA3SfMnM1ZgaXnYmGQpO6/CfzIkwNbCA1zlYqOZBzRgmZ05uyBlzDbTsW7bDmJw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GWOlTwZ1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GWOlTwZ1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E1C4C4CEE7; Wed, 3 Sep 2025 22:13:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756937609; bh=oV2NWXl85j6kRtt65I+kwlkxl12a07d3zCpp3cY0u7U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GWOlTwZ1nTSfXLuD5gd526C34LTRvNISuCXTEx6tJGQsTrY+bYTIDnBwXiBaONTFz Mm6Xw3oE28KZV0wQ2qEAOF4LS8+5+vnFEqbQhgnfA4vBW83Yqf5YVeK8OtTk6w9ghD yUetGzl+tu00FFwz2oagXV0MiKAUffyLgoSStzFGrJp/eme/5quFSWJ2dX1asSgbEW o3FGYkpZJJrRjpw9rxUmHrF0e4ZIxA8+IA6C27uWpy9Ds1URWBO3TCbtwMgGMtmWBi HsLKgXhlzQazYjJuOQqqNfG9XcFFBDTsNf/B/i11ZoeI5NMTpB6TaooCId1NdGna5h yDcpNVWuPsFpg== Date: Wed, 3 Sep 2025 17:13:27 -0500 From: "Rob Herring (Arm)" To: Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org, Thomas Zimmermann , Maarten Lankhorst , Krzysztof Kozlowski , Jessica Zhang , Abhinav Kumar , David Airlie , Abhinav Kumar , Bjorn Andersson , Sean Paul , Marijn Suijten , freedreno@lists.freedesktop.org, Mahadevan , Maxime Ripard , Conor Dooley , Kuogee Hsieh , Konrad Dybcio , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Rob Clark , Dmitry Baryshkov , Abel Vesa , Simona Vetter , devicetree@vger.kernel.org, Krzysztof Kozlowski Subject: Re: [PATCH v8 7/9] dt-bindings: display/msm: expand to support MST Message-ID: <175693760715.2953637.17179173729112460922.robh@kernel.org> References: <20250903-dp_mst_bindings-v8-0-7526f0311eaa@oss.qualcomm.com> <20250903-dp_mst_bindings-v8-7-7526f0311eaa@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250903-dp_mst_bindings-v8-7-7526f0311eaa@oss.qualcomm.com> On Wed, 03 Sep 2025 14:58:18 +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 and > several extra register regions. Expand corresponding region and clock > bindings for these platforms and fix example schema files to follow > updated bindings. > > Note: On chipsets that 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 | 103 ++++++++++++++++++++- > .../bindings/display/msm/qcom,sa8775p-mdss.yaml | 26 +++++- > .../bindings/display/msm/qcom,sar2130p-mdss.yaml | 10 +- > .../bindings/display/msm/qcom,sc7280-mdss.yaml | 3 +- > .../bindings/display/msm/qcom,sm7150-mdss.yaml | 10 +- > .../bindings/display/msm/qcom,sm8750-mdss.yaml | 10 +- > .../bindings/display/msm/qcom,x1e80100-mdss.yaml | 10 +- > 7 files changed, 150 insertions(+), 22 deletions(-) > Reviewed-by: Rob Herring (Arm)