On Thu, Sep 10, 2015 at 01:23:53PM -0700, Jesse Barnes wrote: > On 09/10/2015 09:05 AM, Ville Syrjälä wrote: > > On Thu, Sep 10, 2015 at 08:34:23AM -0700, Jesse Barnes wrote: > >> I used these additional fields to track down the issue I saw on HSW. > > > > We already have the tracepoints with the scanline information. Not sure > > what extra this would give. > > Also when this hits users or test runners, the needed info will be > immediately available, rather than having to enable trace points and > re-run. I think that's important for error cases like this, as opposed > to runtime debugging where tracepoints are fine. I agree with Jesse here, if things go south we should be able to print useful debug info. And we do have a bunch of rather mysterious pipe update failure backtraces all over already. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
