This adds a driver to support the Samsung S6E8FC0 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 <[email protected]> --- Changes in v5: - Fix typo in panel name, s6e8fco -> s6e8fc0 (zero -> O). Was like this in downstream, but in samsung website it ends with a 0 [1]. Found in [2] - Link to v4: https://lore.kernel.org/r/[email protected] [1] https://semiconductor.samsung.com/display-ic/mobile-ddi/part-number/s6e8fc0/ [2] https://sashiko.dev/#/patchset/20260314-panel-patches-v4-0-1ecbb2c0c3c8%40gmail.com Changes in v4: - Use exisiting binding instead of creating a new one - Mention dsi phy power source in commit message - Mention only DSI controller, not panel where it makes sense - Remove VIDEOMODE_HELPERS selection - Collect trailers - Link to v3: https://lore.kernel.org/r/[email protected] 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/[email protected] Changes in v2: - Changed commit title like Dmitry asked - Fixed copyright header years - Link to v1: https://lore.kernel.org/r/[email protected] --- Yedaya Katsman (3): dt-bindings: display: panel: Add Samsung S6E8FC0-M1906F9 drm: panel: Add Samsung S6E8FC0 DSI controller for M1906F9 panel arm64: dts: qcom: sm6125-xiaomi-laurel-sprout: Enable MDSS and add panel .../panel/samsung,s6e8aa5x01-ams561ra01.yaml | 5 +- MAINTAINERS | 5 + .../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-s6e8fc0-m1906f9.c | 301 +++++++++++++++++++++ 6 files changed, 418 insertions(+), 1 deletion(-) --- base-commit: d4906ae14a5f136ceb671bb14cedbf13fa560da6 change-id: 20260218-panel-patches-696df7e0d810 prerequisite-message-id: <[email protected]> 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 <[email protected]>
