Re: [PATCH v10 0/3] Add i.MX91/93 parallel display support

[Liu Ying <victor.liu@nxp.com>]

On Mon, Mar 02, 2026 at 05:10:39PM +0100, Marco Felsch wrote:
> Hi,

Hi Marco,

Since Frank Li is a new "ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" maintainer,
you should copy him.  I'm Cc'ing him here.

> 
> this patchset adds the driver, dt-bindings and dt integration required
> to drive a parallel display on the i.MX93.
> 
> Since the i.MX91 register layout equals the one from the i.MX93, I added
> the support for both but tested only the i.MX93 case.
> 
> This patchset depends on:
>  - https://lore.kernel.org/all/20251201-v6-18-topic-imx93-blkctrl-v1-0-b57a72e60105@pengutronix.de/
> 
> @Conor Dooley
> I dropped your r-b tag since I added the 'bus-width' property.
> 
> Regards,
>   Marco
> 
> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> ---
> Changes in v10:
> - Link to v9: https://lore.kernel.org/r/20260115-v6-18-topic-imx93-parallel-display-v9-0-2c5051e4b144@pengutronix.de
> - Add MEDIA_BUS_FMT_FIXED (Liu)
> - Drop next_bridge from driver struct and use bridge.next_bridge (Liu)
> - Drop linux/of_address.h include (Liu)
> - imx93-pdfc: drop bridge.driver_private usage++ (Liu)
> - Make use of kmalloc_obj() (Liu)
> 
> Changes in v9:
> - Link to v8: https://lore.kernel.org/r/20260113-v6-18-topic-imx93-parallel-display-v8-0-4abccdc473a5@pengutronix.de
> - dt-bindings: drop unncessary changes (Frank)
> - imx93-pdfc: drop bridge.driver_private usage (Luca)
> - Kconfig: Adapt Kconfig symbol and prompt (Luca)
> 
> Changes in v8:
> - Link to v7: https://lore.kernel.org/r/20251202-v6-18-topic-imx93-parallel-display-v7-0-2cce31d64608@pengutronix.de
> - dt-bindings: add nxp,imx91-pdfc compatible (Liu)
> - dt-bindings: use video-interfaces.yaml# (Liu)
> - dt-bindings: s/data lanes/data lines/ (Liu)
> - dt-bindings: drop 'reg' poperty
> - dt-bindings: drop #address-cells, #size-cells
> - imx93-pdfc: drop drm/drm_print.h include (Liu)
> - imx93-pdfc: s/exist/exists/ (Liu)
> - imx93-pdfc: drop MEDIA_BUS_FMT_FIXED from imx93_pdfc_bus_output_fmts
> - imx93-pdfc: imx93_pdfc_bus_output_fmt_supported: make fmt const
> - imx93-pdfc: Rework input-fmt selection to always fallback to a sane
>               default.
> - imx93-pdfc: imx93_pdfc_bridge_atomic_check: make use of
> 	      imx93_pdfc_bus_output_fmt_supported() 
> - imx93-pdfc: drop 'reg' dt-property usage
> - imx93-pdfc: imx93_pdfc_bridge_probe: pass -1 for endpoint reg value (Liu)
> 
> Changes in v7:
> - Link to v6: https://lore.kernel.org/r/20251201-v6-18-topic-imx93-parallel-display-v6-0-7b056e1e5b1e@pengutronix.de
> - Add missing bits.h and bitfield.h headers (lkp)
> 
> Changes in v6:
> - Link to v5: https://lore.kernel.org/all/20250304082434.834031-1-victor.liu@nxp.com/
> - Add bus-width support
> - rebase onto v6.18-rc1
> - add review feedback (Alexander)
> - driver license "GPL v2" -> "GPL" (checkpatch)
> - make use of reg of-property
> - fix to short Kconfig description (checkpath)
> - add OF integration
> 
> ---
> Liu Ying (2):
>       dt-bindings: soc: imx93-media-blk-ctrl: Add PDFC subnode to schema and example

This one and ...

>       drm/bridge: imx: Add i.MX93 parallel display format configuration support
> 
> Marco Felsch (1):
>       arm64: dts: imx93: Add parallel display output nodes

... this one in v9 were applied by Frank, so you should no longer send them.

> 
>  .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml |  78 +++++++
>  arch/arm64/boot/dts/freescale/imx91_93_common.dtsi |  54 +++++
>  arch/arm64/boot/dts/freescale/imx93.dtsi           |  12 ++
>  drivers/gpu/drm/bridge/imx/Kconfig                 |  11 +
>  drivers/gpu/drm/bridge/imx/Makefile                |   1 +
>  drivers/gpu/drm/bridge/imx/imx93-pdfc.c            | 225 +++++++++++++++++++++
>  6 files changed, 381 insertions(+)
> ---
> base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f
> change-id: 20251201-v6-18-topic-imx93-parallel-display-95f9234bf6cc
> 
> Best regards,

-- 
Regards,
Liu Ying