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Sun, 26 Nov 2023 22:55:23 -0800 (PST) Message-ID: <72202fa6-6f0a-4f63-bfdc-36afe14207fd@linaro.org> Date: Mon, 27 Nov 2023 07:55:21 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/12] dt-bindings: display: msm: Add reg bus and rotator interconnects Content-Language: en-US To: Konrad Dybcio , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Loic Poulain , Bryan O'Donoghue , Andy Gross , Bjorn Andersson , Georgi Djakov , Will Deacon , Robin Murphy , Joerg Roedel , Krishna Manikandan , Robert Marko , Das Srinagesh Cc: Marijn Suijten , Rob Herring , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev References: <20231125-topic-rb1_feat-v1-0-11d71b12b058@linaro.org> <20231125-topic-rb1_feat-v1-2-11d71b12b058@linaro.org> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit 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_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE 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-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Sun, 26 Nov 2023 22:55:32 -0800 (PST) On 25/11/2023 15:17, Konrad Dybcio wrote: > Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there are > other connection paths: > - a path that connects rotator block to the DDR. > - a path that needs to be handled to ensure MDSS register access > functions properly, namely the "reg bus", a.k.a the CPU-MDSS CFG > interconnect. > > Describe these paths bindings to allow using them in device trees and in > the driver > > Signed-off-by: Dmitry Baryshkov > [Konrad: rework for one vs two MDP paths] > Signed-off-by: Konrad Dybcio > --- Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof