Re: [PATCH] drm/msm/dsi: set default num_data_lanes
From: Stephen Boyd
Date: Mon Nov 01 2021 - 14:19:16 EST
Quoting Philip Chen (2021-10-30 10:08:50)
> 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>
> ---
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>