linux-kernel - [PATCH v3 0/2] drm/bridge: imx: Add i.MX93 parallel display format configuration support

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Date:   Mon,  5 Jun 2023 14:22:15 +0800
From:   Liu Ying <victor.liu@....com>
To:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        andrzej.hajda@...el.com, neil.armstrong@...aro.org,
        rfoss@...nel.org, Laurent.pinchart@...asonboard.com,
        jonas@...boo.se, jernej.skrabec@...il.com, airlied@...il.com,
        daniel@...ll.ch, peng.fan@....com, marex@...x.de
Subject: [PATCH v3 0/2] drm/bridge: imx: Add i.MX93 parallel display format configuration support

Hi,

This patch set aims to add NXP i.MX93 parallel display format configuration
DRM bridge driver support. i.MX93 mediamix blk-ctrl contains one
DISPLAY_MUX register which configures parallel display format by using
the "PARALLEL_DISP_FORMAT" field. i.MX93 LCDIF display controller's
parallel output connects with this piece of small logic to configure
parallel display format.

Patch 1/2 adds NXP i.MX93 parallel display format configuration subnode
in i.MX93 mediamix blk-ctrl dt-binding.

Patch 2/2 adds NXP i.MX93 parallel display format configuration DRM bridge
driver support.

v2->v3:
* Define i.MX93 parallel display format configuration subnode in
  i.MX93 mediamix blk-ctrl dt-binding. (Rob)

v1->v2:
* Set *num_input_fmts to zero in case
  imx93_pdfc_bridge_atomic_get_input_bus_fmts() returns NULL in patch 2/2.
* Replace .remove callback with .remove_new callback in
  imx93_pdfc_bridge_driver in patch 2/2.

Liu Ying (2):
  dt-bindings: soc: imx93-media-blk-ctrl: Add PDFC subnode to schema and
    example
  drm/bridge: imx: Add i.MX93 parallel display format configuration
    support

 .../soc/imx/fsl,imx93-media-blk-ctrl.yaml     |  68 ++++++
 drivers/gpu/drm/bridge/imx/Kconfig            |   8 +
 drivers/gpu/drm/bridge/imx/Makefile           |   1 +
 drivers/gpu/drm/bridge/imx/imx93-pdfc.c       | 209 ++++++++++++++++++
 4 files changed, 286 insertions(+)
 create mode 100644 drivers/gpu/drm/bridge/imx/imx93-pdfc.c

-- 
2.37.1