Re: [PATCH v2 4/4] drm/dp_mst: Print errors on ACT timeouts

2020-04-07 Thread Sean Paul
On Mon, Apr 6, 2020 at 6:13 PM Lyude Paul wrote: > > Although it's not unexpected for drm_dp_check_act_status() to fail due > to DPCD read failures (as the hub may have just been unplugged > suddenly), timeouts are a bit more worrying as they either mean we need > a longer timeout value, or we are

[PATCH v2 4/4] drm/dp_mst: Print errors on ACT timeouts

2020-04-06 Thread Lyude Paul
Although it's not unexpected for drm_dp_check_act_status() to fail due to DPCD read failures (as the hub may have just been unplugged suddenly), timeouts are a bit more worrying as they either mean we need a longer timeout value, or we aren't setting up payload allocations properly. So, let's start