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[188.141.3.169]) by smtp.gmail.com with ESMTPSA id b18-20020a056000055200b00236545edc91sm8386161wrf.76.2022.11.07.15.56.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Nov 2022 15:56:58 -0800 (PST) From: Bryan O'Donoghue To: robdclark@gmail.com, quic_abhinavk@quicinc.com, dmitry.baryshkov@linaro.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, quic_mkrishn@quicinc.com, linux-arm-msm@vger.kernel.org Cc: Bryan O'Donoghue , Sean Paul , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 02/18] dt-bindings: msm: dsi-controller-main: Fix power-domain constraint Date: Mon, 7 Nov 2022 23:56:38 +0000 Message-Id: <20221107235654.1769462-3-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221107235654.1769462-1-bryan.odonoghue@linaro.org> References: <20221107235654.1769462-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org power-domain is required for the sc7180 dispcc GDSC but not every qcom SoC has a similar dependency for example the aqp8064. Most Qcom SoC's using mdss-dsi-ctrl seem to have the ability to power-collapse the MDP without collapsing DSI. For example the qcom vendor kernel commit for apq8084, msm8226, msm8916, msm8974 https://review.carbonrom.org/plugins/gitiles/CarbonROM/android_kernel_oneplus_msm8994/+/7b5c011a770daa2811778937ed646237a28a8694 "ARM: dts: msm: add mdss gdsc supply to dsi controller device It is possible for the DSI controller to be active when MDP is power collapsed. DSI controller needs to have it's own vote for mdss gdsc to ensure that gdsc remains on in such cases." This however doesn't appear to be the case for the apq8064 so we shouldn't be marking power-domain as required in yaml checks. Fixes: 4dbe55c97741 ("dt-bindings: msm: dsi: add yaml schemas for DSI bindings") Reviewed-by: Dmitry Baryshkov Cc: Rob Clark Cc: Abhinav Kumar Cc: Dmitry Baryshkov Cc: Sean Paul Cc: David Airlie Cc: Daniel Vetter Cc: Rob Herring Cc: Krzysztof Kozlowski Cc: linux-arm-msm@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Bryan O'Donoghue --- .../devicetree/bindings/display/msm/dsi-controller-main.yaml | 1 - 1 file changed, 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml index 27ebfd5ffb22f..cf782c5f5bdb0 100644 --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml @@ -134,7 +134,6 @@ required: - phys - assigned-clocks - assigned-clock-parents - - power-domains - ports additionalProperties: false -- 2.38.1