Re: [PATCH] drm/msm/dsi: set default num_data_lanes

[Doug Anderson]

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>