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Fri, 25 Sep 2026 09:41:47 -0700 (PDT) From: Liviu Nicoara To: Bryan O'Donoghue , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robert Foss , Todor Tomov , Mauro Carvalho Chehab , Konrad Dybcio , Vladimir Zapolskiy , Bryan O'Donoghue , Loic Poulain , Vinod Koul , Neil Armstrong , Greg Kroah-Hartman , Kishon Vijay Abraham I , Felipe Balbi , Manivannan Sadhasivam Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-phy@lists.infradead.org, Krzysztof Kozlowski , Manivannan Sadhasivam , Oleg Keri Subject: Re: [PATCH v20 6/6] media: qcom: camss: Use data-lanes starting at 1 for new CSIPHY mode Date: Fri, 25 Sep 2026 12:41:38 -0400 Message-ID: <20260925164138.26326-1-lnicoara@thinkoid.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260918-b4-linux-next-25-03-13-dtsi-x1e80100-camss-v20-6-dc244e124e71@linaro.org> References: <20260918-b4-linux-next-25-03-13-dtsi-x1e80100-camss-v20-6-dc244e124e71@linaro.org> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Fri, 18 Sep 2026 14:56:41 +0100, Bryan O'Donoghue wrote: > Introduce a simple flag to differentiate between legacy indexing @ 0 and > new indexing @ 1. Tested on a Dell XPS 13 9345 (X1E80100, OV02C10 on CSIPHY4, two lanes), same stack as for 5/6. Without this patch, data-lanes = <1 2> on the CAMSS endpoint programs CSID0's CSI2_RX_CFG0 to 0x00500211: CSID listens on PHY lanes 1 and 2 while the PHY powers lanes 0 and 2 (COMMON_CTRL5 0x85), and no frame arrives. With it, the same DT streams at 30 fps. Tested-by: Liviu Nicoara # Dell XPS 13 9345