From: "Rob Herring (Arm)" <robh@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: linux-arm-msm@vger.kernel.org,
Thomas Zimmermann <tzimmermann@suse.de>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
Jessica Zhang <jessica.zhang@oss.qualcomm.com>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
David Airlie <airlied@gmail.com>,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
Bjorn Andersson <andersson@kernel.org>,
Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
freedreno@lists.freedesktop.org,
Mahadevan <quic_mahap@quicinc.com>,
Maxime Ripard <mripard@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Kuogee Hsieh <quic_khsieh@quicinc.com>,
Konrad Dybcio <konradybcio@kernel.org>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Rob Clark <robin.clark@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abel Vesa <abel.vesa@linaro.org>, Simona Vetter <simona@ffwll.ch>,
devicetree@vger.kernel.org,
Krzysztof Kozlowski <krzk+dt@kernel.org>
Subject: Re: [PATCH v8 7/9] dt-bindings: display/msm: expand to support MST
Date: Wed, 3 Sep 2025 17:13:27 -0500 [thread overview]
Message-ID: <175693760715.2953637.17179173729112460922.robh@kernel.org> (raw)
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 <quic_abhinavk@quicinc.com>
>
> 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 <quic_abhinavk@quicinc.com>
> Signed-off-by: Jessica Zhang <jessica.zhang@oss.qualcomm.com>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> ---
> .../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) <robh@kernel.org>
next prev parent reply other threads:[~2025-09-03 22:13 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-03 11:58 [PATCH v8 0/9] dt-bindings: msm/dp: Add support for 4 pixel streams Dmitry Baryshkov
2025-09-03 11:58 ` [PATCH v8 1/9] dt-bindings: display/msm: dp-controller: allow eDP for SA8775P Dmitry Baryshkov
2025-09-03 11:58 ` [PATCH v8 2/9] dt-bindings: display/msm: dp-controller: fix fallback for SM6350 Dmitry Baryshkov
2025-09-03 22:09 ` Rob Herring (Arm)
2025-09-03 11:58 ` [PATCH v8 3/9] dt-bindings: display/msm: dp-controller: document DP on SM7150 Dmitry Baryshkov
2025-09-03 22:12 ` Rob Herring (Arm)
2025-09-03 11:58 ` [PATCH v8 4/9] dt-bindings: display/msm: qcom,x1e80100-mdss: correct DP addresses Dmitry Baryshkov
2025-09-03 11:58 ` [PATCH v8 5/9] dt-bindings: display/msm: dp-controller: add X1E80100 Dmitry Baryshkov
2025-09-03 11:58 ` [PATCH v8 6/9] dt-bindings: display/msm: drop assigned-clock-parents for dp controller Dmitry Baryshkov
2025-09-03 11:58 ` [PATCH v8 7/9] dt-bindings: display/msm: expand to support MST Dmitry Baryshkov
2025-09-03 22:13 ` Rob Herring (Arm) [this message]
2025-09-03 11:58 ` [PATCH v8 8/9] arm64: dts: qcom: sm6350: correct DP compatibility strings Dmitry Baryshkov
2025-09-03 11:58 ` [PATCH v8 9/9] arm64: dts: qcom: Add MST pixel streams for displayport Dmitry Baryshkov
2025-09-03 13:41 ` Konrad Dybcio
2025-09-03 13:58 ` Dmitry Baryshkov
2025-09-03 15:33 ` Konrad Dybcio
2025-09-03 16:24 ` Dmitry Baryshkov
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