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

杨孙运
2026-04-21T05:49:16Z

Jingyi Wang <jingyi.wang@oss.qualcomm.com> 于2026年4月21日周二 13:09写道：
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> 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.
>
it will be fixed in the next version.
> 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
> >
>