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Mon, 3 Nov 2025 15:32:25 +0000 Received: from GV1PR04MB9135.eurprd04.prod.outlook.com ([fe80::b1f6:475e:de5d:8442]) by GV1PR04MB9135.eurprd04.prod.outlook.com ([fe80::b1f6:475e:de5d:8442%7]) with mapi id 15.20.9275.015; Mon, 3 Nov 2025 15:32:25 +0000 From: Laurentiu Palcu To: imx@lists.linux.dev, Abel Vesa , Peng Fan , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Philipp Zabel , Marek Vasut Cc: dri-devel@lists.freedesktop.org, Laurentiu Palcu , Frank Li , Luca Ceresoli , Dmitry Baryshkov , Francesco Valla , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 0/9] Add support for i.MX94 DCIF Date: Mon, 3 Nov 2025 15:30:44 +0000 Message-ID: <20251103-dcif-upstreaming-v6-0-76fcecfda919@oss.nxp.com> X-Mailer: git-send-email 2.49.0 Content-Type: text/plain; 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It depends on Peng Fan's DTS patch [1] that was not yet merged. Also, included in the patch-set are a few extra patches that the DCIF driver depends on for functioning properly: * 1/9 - 3/9 : add support for i.MX94 to fsl-ldb driver. It also contains a patch (2/9) from Liu Ying that was already reviewed and was part of another patch-set ([2]), but was never merged; Thanks, Laurentiu [1] https://lkml.org/lkml/2025/7/7/84 [2] https://lkml.org/lkml/2024/11/14/262 --- Changes in v6: - 2/9: Collected r-b tag from Francesco; - 3/9: Removed ch_max_clk_khz variable as suggested by Luca and added his r-b tag; - 4/9: Collected r-b tag; - 5/9: Call drm_bridge_put() automatically in dcif_crtc_query_output_bus_format() by using a cleanup action (Luca); - 6/9: Moved allOf: block after required: block (Krzysztof). Collected r-b tag; - Link to v5: https://lore.kernel.org/r/20250911-dcif-upstreaming-v5-0-a1e8dab8ae40@oss.nxp.com Changes in v5: - 4/9: Removed "bindings for" from the title, changed the port definition and simplified the example; - 6/9: Fixed the way 'ldb' child node is declared: declare the 'ldb' child node out of if:then: block and set the property to false for compatibles other than nxp,imx94-lvds-csr; - Link to v4: https://lore.kernel.org/r/20250903123332.2569241-1-laurentiu.palcu@oss.nxp.com Changes in v4: - Addressed remaining DCIF driver comments from Frank; - Limit the 'ldb' child node only to CSRs compatible with 'nxp,imx94-lvds-csr' in the binding file. Since LVDS CSRs are a minority, I chose to use the if:then: construct instead of if:not:then:; - Remove the '#address-cells' and '#size-cells' from the ldb node, in imx94.dtsi, as they're not needed; - Link to v3: https://lore.kernel.org/r/20250806150521.2174797-1-laurentiu.palcu@oss.nxp.com Changes in v3: - Removed the BLK CTL patches and created a separate patch set [2] for them; - Collected r-b tags for 1/9, 2/9, 3/9 and 9/9; - Removed the DCIF QoS functionality until I find a better way to implement it through syscon. QoS functionality will be added in subsequent patches. Also, used devm_clk_bulk_get_all() and used dev_err_probe() as suggested; - Addressed Frank's and Krzysztof's comments on the DCIF bindings; - Addressed Frank's comments on dtsi and dts files; - Added a new binding patch, 6/9, for adding 'ldb' optional property to nxp,imx95-blk-ctl.yaml; - Link to v2: https://lore.kernel.org/r/20250716081519.3400158-1-laurentiu.palcu@oss.nxp.com Changes in v2: - reworked the BLK_CTL patch and split in 2 to make it easier for review; - split the dts and dtsi patch in 2 separate ones; - addressed Frank's comments in DCIF driver; - addressed Rob's comments for the bindings files; - addressed a couple of checkpatch issues; - Link to v1: https://lore.kernel.org/r/20250709122332.2874632-1-laurentiu.palcu@oss.nxp.com --- Laurentiu Palcu (7): dt-bindings: display: fsl,ldb: Add i.MX94 LDB drm/bridge: fsl-ldb: Add support for i.MX94 dt-bindings: display: imx: Add i.MX94 DCIF dt-bindings: clock: nxp,imx95-blk-ctl: Add ldb child node arm64: dts: imx943: Add display pipeline nodes arm64: dts: imx943-evk: Add display support using IT6263 MAINTAINERS: Add entry for i.MX94 DCIF driver Liu Ying (1): drm/bridge: fsl-ldb: Get the next non-panel bridge Sandor Yu (1): drm/imx: Add support for i.MX94 DCIF .../bindings/clock/nxp,imx95-blk-ctl.yaml | 26 + .../bindings/display/bridge/fsl,ldb.yaml | 2 + .../bindings/display/imx/nxp,imx94-dcif.yaml | 82 +++ MAINTAINERS | 9 + arch/arm64/boot/dts/freescale/imx943-evk.dts | 121 ++++ arch/arm64/boot/dts/freescale/imx943.dtsi | 53 +- drivers/gpu/drm/bridge/fsl-ldb.c | 46 +- drivers/gpu/drm/imx/Kconfig | 1 + drivers/gpu/drm/imx/Makefile | 1 + drivers/gpu/drm/imx/dcif/Kconfig | 15 + drivers/gpu/drm/imx/dcif/Makefile | 5 + drivers/gpu/drm/imx/dcif/dcif-crc.c | 211 +++++++ drivers/gpu/drm/imx/dcif/dcif-crc.h | 52 ++ drivers/gpu/drm/imx/dcif/dcif-crtc.c | 695 +++++++++++++++++++++ drivers/gpu/drm/imx/dcif/dcif-drv.c | 226 +++++++ drivers/gpu/drm/imx/dcif/dcif-drv.h | 86 +++ drivers/gpu/drm/imx/dcif/dcif-kms.c | 100 +++ drivers/gpu/drm/imx/dcif/dcif-plane.c | 269 ++++++++ drivers/gpu/drm/imx/dcif/dcif-reg.h | 267 ++++++++ 19 files changed, 2245 insertions(+), 22 deletions(-) --- base-commit: cd8eb1cf3dad15dad65060f5d18a59ab99485d01 change-id: 20250911-dcif-upstreaming-3e16d89c3385 prerequisite-patch-id: b2acaaf7e92a5c8e377e6b56f3a9ee7409f64b00 Best regards, -- Laurentiu Palcu