Re: [PATCH v1 0/2] Add Lontiun LT7911EXC eDP to MIPI DSI bridge
From: 杨孙运
Date: Tue Apr 28 2026 - 04:06:48 EST
Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx> 于2026年4月28日周二 15:31写道:
>
> On Tue, Apr 28, 2026 at 02:32:22PM +0800, syyang@xxxxxxxxxxx wrote:
> > From: Sunyun Yang <syyang@xxxxxxxxxxx>
> >
> > The LT7911EXC is an I2C-controlled bridge that Receiver eDP1.4
> > and output signal/dual port mipi. This series introduces:
> >
> > - A device tree binding YAML file describing the hardware
> > - A new DRM bridge driver implementing the basic functionality
> >
> > Signed-off-by: Sunyun Yang<syyang@xxxxxxxxxxx>
> > ---
> > Change in v1:
>
> How can this be v1, if you already have sent the first iteration?
>
Sorry, it is my mistake.
Next time, I will correct and carefully review.
> > - dt-binding:
> > 1. reset pins use active low. [Dmitry]
> > - drm/bridge:
> > 1. use atomic_* callbacks. [Quentin]
> > 2. fix the incorrect formatting and spaces.
> > 3. add the required header files. [Dmitry]
> > 4. remove "enabled" flag.
> > 5. remove *fw from the lt7911exc struct.
> > 6. .max_register and .range_max use actual range.
> > 7. regulator use bulk interface.
> > 8. use dev_err_probe, devm_mutex_init and devm_drm_bridge_add.
> > 9. Replace GPL with GPL v2.
> > ---
> > Sunyun Yang (2):
> > dt-bindings:bridge: Add Lontiun LT7911EXC eDP to MIPI DSI bridge
> > drm:bridge: Add Lontiun LT7911EXC eDP to MIPI DSI bridge
> >
> > .../display/bridge/lontium,lt7911exc.yaml | 89 ++++
> > drivers/gpu/drm/bridge/Kconfig | 13 +
> > drivers/gpu/drm/bridge/Makefile | 1 +
> > drivers/gpu/drm/bridge/lontium-lt7911exc.c | 497 ++++++++++++++++++
> > 4 files changed, 600 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml
> > create mode 100644 drivers/gpu/drm/bridge/lontium-lt7911exc.c
> >
> > --
> > 2.34.1
> >
>
> --
> With best wishes
> Dmitry