Re: [PATCH v3 0/2] Add LT9611C(EX/UXD) DRM bridge driver and device tree

Jingyi Wang
2026-04-21T05:09:43Z

On 4/20/2026 2:16 PM, syyang@lontium.com wrote:
> From: Sunyun Yang <syyang@lontium.com>
>
> This series adds support for the Lontium LT9611C(EX/UXD) MIPI DSI to HDMI
> chip:
>
> -dt-bindings: bridge: This patch adds new content to the lontium,lt9611.yaml
> binding file.
> -drm/bridge: This patch add new DRM bridge driver for LT9611C(EX/UXD) chip.
>
> Signed-off-by: Sunyun Yang<syyang@lontium.com>

"This patch" should be avoided in the commit msg, begin with "add" will be enough.

Thanks,
Jingyi

> ---
> Changes in v3:
> -dt-binding:
> 1. lt9611c(ex/uxd) content merged into lontium,lt9611.yaml
> -drm/bridge:
> 1. Drop the licence text, only use SPDX header
> 2. Sort the headers
> 3. Use library functions for crc8
> 4. Drop i2c_read_byte and i2c_write_byte
> 5. Lowercase all hex values
> 6. Use paged writes as implemented for LT9611C(EX/UXD)
> 7. Drop dev_info, use dev_dbg
> 8. Modify lt9611c_get_edid_block, don't store EDID in the long-term structures
> 9. Use HDMI audio helpers.
> 10.Remove unnecessary flags,Implement proper cleanup path, unwinding resources
> one by one.
> 11.Replace devm_kzalloc with devm_drm_bridge_alloc.
> 12.Remove extra kthread.
> -Link to v1: https://lore.kernel.org/lkml/20250903123825.1721443-1-syyang@lontium.com/
>
> Changes in v2:
> 1. Forget modify code, operation error, Please disregard this submit.
>
> Changes in v1:
> -dt-binding:
> 1. Submit the first version of the code.
> -drm/bridge:
> 1. Submit the first version of the code.
>
> ---
> Sunyun Yang (2):
> dt-bindings: bridge: This patch adds new content to the
> lontium,lt9611.yaml binding file
> drm/bridge: This patch add new DRM bridge driver for LT9611C chip
>
> .../display/bridge/lontium,lt9611.yaml | 8 +-
> drivers/gpu/drm/bridge/Kconfig | 18 +
> drivers/gpu/drm/bridge/Makefile | 1 +
> drivers/gpu/drm/bridge/lontium-lt9611c.c | 1365 +++++++++++++++++
> 4 files changed, 1390 insertions(+), 2 deletions(-)
> create mode 100755 drivers/gpu/drm/bridge/lontium-lt9611c.c
>