On Thu, Sep 25, 2025 at 03:10:35PM +0800, Jun Nie wrote: > Dmitry Baryshkov <[email protected]> 于2025年9月25日周四 02:02写道： > > > > On Wed, 24 Sept 2025 at 18:08, Jun Nie <[email protected]> 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?
Yes. > > > > > > > Signed-off-by: Jun Nie <[email protected]> > > > --- > > > 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 -- With best wishes Dmitry
