linux-kernel - [PATCH v2 00/10] Add support for i.MX94 DCIF

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Message-Id: <20250716081519.3400158-1-laurentiu.palcu@oss.nxp.com>
Date: Wed, 16 Jul 2025 11:15:04 +0300
From: Laurentiu Palcu <laurentiu.palcu@....nxp.com>
To: imx@...ts.linux.dev,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Laurentiu Palcu <laurentiu.palcu@....nxp.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Abel Vesa <abelvesa@...nel.org>,
	Peng Fan <peng.fan@....com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Marek Vasut <marex@...x.de>
Cc: dri-devel@...ts.freedesktop.org,
	Frank Li <frank.li@....com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-clk@...r.kernel.org
Subject: [PATCH v2 00/10] Add support for i.MX94 DCIF

Hi,

This patch-set adds support for the i.MX94 Display Control Interface.
It applies on top of Peng Fan's BLK_CTL patches: [1].

Also, included in the patch-set are a few extra patches that the DCIF
driver depends on for functioning properly:
 * 1/10 - 2/10 : BLK_CTL driver fixes;
 * 3/10 - 5/10 : add support for i.MX94 to fsl-ldb driver. It also
			     contains a patch (4/8) from Liu Ying that was already reviewed
			     and was part of another patch-set ([2]), but was never merged;

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;

Thanks,
Laurentiu

[1] https://lkml.org/lkml/2025/7/7/78
[2] https://lkml.org/lkml/2024/11/14/262

Laurentiu Palcu (8):
  clk: imx95-blk-ctl: Save platform data in imx95_blk_ctl structure
  clk: imx95-blk-ctl: Save/restore registers when RPM routines are
    called
  dt-bindings: display: fsl,ldb: Add i.MX94 LDB
  drm/bridge: fsl-ldb: Add support for i.MX94
  dt-bindings: display: imx: Add bindings for i.MX94 DCIF
  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/display/bridge/fsl,ldb.yaml      |   2 +
 .../bindings/display/imx/nxp,imx94-dcif.yaml  |  93 +++
 MAINTAINERS                                   |   9 +
 arch/arm64/boot/dts/freescale/imx943-evk.dts  | 123 ++++
 arch/arm64/boot/dts/freescale/imx943.dtsi     |  56 +-
 drivers/clk/imx/clk-imx95-blk-ctl.c           |  51 +-
 drivers/gpu/drm/bridge/fsl-ldb.c              |  47 +-
 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           | 282 +++++++
 drivers/gpu/drm/imx/dcif/dcif-drv.h           |  87 +++
 drivers/gpu/drm/imx/dcif/dcif-kms.c           | 101 +++
 drivers/gpu/drm/imx/dcif/dcif-plane.c         | 269 +++++++
 drivers/gpu/drm/imx/dcif/dcif-reg.h           | 266 +++++++
 19 files changed, 2314 insertions(+), 52 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/display/imx/nxp,imx94-dcif.yaml
 create mode 100644 drivers/gpu/drm/imx/dcif/Kconfig
 create mode 100644 drivers/gpu/drm/imx/dcif/Makefile
 create mode 100644 drivers/gpu/drm/imx/dcif/dcif-crc.c
 create mode 100644 drivers/gpu/drm/imx/dcif/dcif-crc.h
 create mode 100644 drivers/gpu/drm/imx/dcif/dcif-crtc.c
 create mode 100644 drivers/gpu/drm/imx/dcif/dcif-drv.c
 create mode 100644 drivers/gpu/drm/imx/dcif/dcif-drv.h
 create mode 100644 drivers/gpu/drm/imx/dcif/dcif-kms.c
 create mode 100644 drivers/gpu/drm/imx/dcif/dcif-plane.c
 create mode 100644 drivers/gpu/drm/imx/dcif/dcif-reg.h

-- 
2.34.1