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[188.141.3.169]) by smtp.gmail.com with ESMTPSA id da13-20020a056000408d00b00242257f2672sm12641208wrb.77.2022.12.20.04.36.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Dec 2022 04:36:39 -0800 (PST) From: Bryan O'Donoghue To: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: robdclark@gmail.com, quic_abhinavk@quicinc.com, dmitry.baryshkov@linaro.org, sean@poorly.run, airlied@gmail.com, daniel@ffwll.ch, robh+dt@kernel.org, dianders@chromium.org, david@ixit.cz, krzysztof.kozlowski+dt@linaro.org, swboyd@chromium.org, konrad.dybcio@somainline.org, agross@kernel.org, andersson@kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, bryan.odonoghue@linaro.org, Krzysztof Kozlowski Subject: [PATCH v5 02/21] dt-bindings: msm: dsi-controller-main: Fix power-domain constraint Date: Tue, 20 Dec 2022 12:36:15 +0000 Message-Id: <20221220123634.382970-3-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221220123634.382970-1-bryan.odonoghue@linaro.org> References: <20221220123634.382970-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1752736586667813184?= X-GMAIL-MSGID: =?utf-8?q?1752736586667813184?= power-domain is required for the sc7180 dispcc GDSC but not every qcom SoC has a similar dependency for example the apq8064. 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 Acked-by: Krzysztof Kozlowski 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 55bfe1101d6f4..8ba61fef576a5 100644 --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml @@ -137,7 +137,6 @@ required: - phys - assigned-clocks - assigned-clock-parents - - power-domains - ports additionalProperties: false