Dmitry Baryshkov <dmitry.barysh...@oss.qualcomm.com> 于2025年9月25日周四 02:02写道：
>
> On Wed, 24 Sept 2025 at 18:08, Jun Nie <jun....@linaro.org> wrote:
> >
> > Some devices treat two independent physical DSI panels as a single
> > logical panel from the CRTC's perspective. However, two separate DSI
> > hosts are still required to drive the panels individually.
> >
> > Introduce a `dual_panel` flag to the `mipi_dsi_device` struct. This
> > allows a panel driver to inform the DSI host that it is part of a
> > dual-panel setup, enabling the host to coordinate both physical
> > displays as one.
>
> How is it being set?
This is set by panel driver in probe(). You mean this should be documented
here, right?
> >
> > Signed-off-by: Jun Nie <jun....@linaro.org>
> > ---
> > include/drm/drm_mipi_dsi.h | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
> > index
> > 5a85ba01f402a3866b70828391bb417bb8dd5956..0faff285d9ffeb19e4523cdc7bf21c1ec20e6eff
> > 100644
> > --- a/include/drm/drm_mipi_dsi.h
> > +++ b/include/drm/drm_mipi_dsi.h
> > @@ -170,6 +170,7 @@ struct mipi_dsi_device_info {
> > * @host: DSI host for this peripheral
> > * @dev: driver model device node for this peripheral
> > * @attached: the DSI device has been successfully attached
> > + * @dual_panel: the DSI device is one instance of dual panel
> > * @name: DSI peripheral chip type
> > * @channel: virtual channel assigned to the peripheral
> > * @format: pixel format for video mode
> > @@ -188,6 +189,7 @@ struct mipi_dsi_device {
> > struct mipi_dsi_host *host;
> > struct device dev;
> > bool attached;
> > + bool dual_panel;
> >
> > char name[DSI_DEV_NAME_SIZE];
> > unsigned int channel;
> >
> > --
> > 2.34.1
> >
>
>
> --
> With best wishes
> Dmitry
