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[89.139.129.65]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439fe22529csm7058657f8f.31.2026.03.12.04.55.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Mar 2026 04:55:12 -0700 (PDT) From: Yedaya Katsman Subject: [PATCH v3 0/3] Add support for the Samsung S6E8FCO DSI and M1906F9 display panel Date: Thu, 12 Mar 2026 13:55:07 +0200 Message-Id: <20260312-panel-patches-v3-0-6ed8c006d0be@gmail.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/32PS2rEMBBEr2K0jga1LEu2CWHuEbJoSe0ZEf9iK SZh8N0j25uQRWhoqIJ6VD1YpCVQZG3xYAutIYZpzKJ8Kpi743gjHnzWTAqphYSazzhSn39yd4p cN9p3hoSvQbCcmRfqwtfBe3079UIfnxmbTpMNFCMe2LZ4PqjlfqpW5gJlbQQHvmJ/ndG9U0oXN 039y462GIm7aRhCaguvGqGRQGHVQakdWW3AWlCOvM1Oh5UWHjXbS9xDTNPyfWxc4WhxzpHlnzk rcMGNqbQUjTKma663AUOfSwwHaZX/pmVOg9XolQFfKfE7vW3bD9UjCKNtAQAA X-Change-ID: 20260218-panel-patches-696df7e0d810 To: Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Kamil_Go=C5=82da?= , Bjorn Andersson , Konrad Dybcio Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Yedaya Katsman X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773316510; l=2432; i=yedaya.ka@gmail.com; s=20260113; h=from:subject:message-id; bh=yA9E6KaDsxKPIDVp/qlGO5Alr8mjPeG4xbNuJb0oR2A=; b=3HOTNWD8H2o2C83ehzi1BnRnYjF9DjHnFV2r0iH8jLlWZLGpQfU2XgTpykZGX6jWTxrnzxKmd DmKkKWOH3e/CZJKKx8rummOKOhp98f593gyZFhesVwJEPmzS1mE9+Xi X-Developer-Key: i=yedaya.ka@gmail.com; a=ed25519; pk=CgNmxD3tYSws5dZfpmJfc6re/bV/f47veVijddHLytk= This adds a driver to support the Samsung S6E8FCO DSI controller with the M1906F9 display panel found in Xiaomi Mi A3 (xiaomi-laurel). The driver is generated using linux-mdss-dsi-panel-driver-generator[0]. The mdss reset dependency makes the screen work more reliably. [0]: https://github.com/msm8916-mainline/linux-mdss-dsi-panel-driver-generator Original tree with patches: https://gitlab.postmarketos.org/SzczurekYT/linux/-/tree/laurel Signed-off-by: Yedaya Katsman --- Changes in v3: - Make driver, bindings, compatible specific to M1906F9 panel - Adjust brightness scale and default - de-mystify some dsi writes - move pinctrl for mdss into panel node - Rename regulator nodes and names according to schematic - Treat vreg_l9a as input to vddi regulator - Add myself to copyright header, remove years - Link to v2: https://lore.kernel.org/r/20260223-panel-patches-v2-0-1b6ad471d540@gmail.com Changes in v2: - Changed commit title like Dmitry asked - Fixed copyright header years - Link to v1: https://lore.kernel.org/r/20260223-panel-patches-v1-0-7756209477f9@gmail.com --- Yedaya Katsman (3): dt-bindings: display: panel: Add Samsung S6E8FCO-M1906F9 drm: panel: Add Samsung S6E8FCO DSI controller for M1906F9 panel arm64: dts: qcom: sm6125-xiaomi-laurel-sprout: Enable MDSS and add panel .../display/panel/samsung,s6e8fco-m1906f9.yaml | 63 +++++ MAINTAINERS | 6 + .../boot/dts/qcom/sm6125-xiaomi-laurel-sprout.dts | 94 +++++++ drivers/gpu/drm/panel/Kconfig | 13 + drivers/gpu/drm/panel/Makefile | 1 + .../gpu/drm/panel/panel-samsung-s6e8fco-m1906f9.c | 302 +++++++++++++++++++++ 6 files changed, 479 insertions(+) --- base-commit: d4906ae14a5f136ceb671bb14cedbf13fa560da6 change-id: 20260218-panel-patches-696df7e0d810 prerequisite-message-id: <20260303034847.13870-1-val@packett.cool> prerequisite-patch-id: 3fba84f11111406e0d530013fd45ad0eb389786b prerequisite-patch-id: 81440b7f28f9101d3dc5d4bad6dc86e39b81a026 prerequisite-patch-id: 53469d8c9810169d058f1bfd27ac8399038aae74 prerequisite-patch-id: 80809bee71eb6434f6699d5e5f8c7f9d4bcd1ca7 prerequisite-patch-id: 0269e01c9c54a37bb92983635cd516342189aee5 prerequisite-patch-id: e2bbf7c452d4da6d71b1a5194e0d7ce46584e113 Best regards, -- Yedaya Katsman