Re: [PATCH v2] drm/msm/dp: add fail safe mode outside of event_mutex context

From: Stephen Boyd
Date: Tue Apr 12 2022 - 00:24:26 EST


Quoting Kuogee Hsieh (2022-04-08 14:04:54)
> There is possible circular locking dependency detected on event_mutex
> (see below logs). This is due to set fail safe mode is done at
> dp_panel_read_sink_caps() within event_mutex scope. To break this
> possible circular locking, this patch move setting fail safe mode
> out of event_mutex scope.
>

Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>