Re: [PATCH] drm/dp_helper: Add DP aux channel tracing

2018-07-12 Thread Daniel Vetter
On Thu, Jul 12, 2018 at 01:24:19PM -0400, Lyude Paul wrote: > This is something we've needed for a very long time now, as it makes > debugging issues with faulty MST hubs along with debugging issues > regarding us interfacing with hubs correctly vastly easier to debug. > Currently this can actually

[PATCH] drm/dp_helper: Add DP aux channel tracing

2018-07-12 Thread Lyude Paul
This is something we've needed for a very long time now, as it makes debugging issues with faulty MST hubs along with debugging issues regarding us interfacing with hubs correctly vastly easier to debug. Currently this can actually be done if you trace the i2c devices for DP using ftrace but that's