Hi, On Sat, Oct 30, 2021 at 10:08 AM Philip Chen <philipchen@xxxxxxxxxxxx> wrote: > > If "data_lanes" property of the dsi output endpoint is missing in > the DT, num_data_lanes would be 0 by default, which could cause > dsi_host_attach() to fail if dsi->lanes is set to a non-zero value > by the bridge driver. > > According to the binding document of msm dsi controller, the > input/output endpoint of the controller is expected to have 4 lanes. > So let's set num_data_lanes to 4 by default. > > Signed-off-by: Philip Chen <philipchen@xxxxxxxxxxxx> > --- > > drivers/gpu/drm/msm/dsi/dsi_host.c | 2 ++ > 1 file changed, 2 insertions(+) Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>