[Intel-gfx] [PATCH 37/37] drm/i915: dump registers read/write ops

Chris Wilson chris at chris-wilson.co.uk
Thu Mar 22 12:15:39 CET 2012


On Wed, 21 Mar 2012 22:10:12 -0300, Eugeni Dodonov <eugeni.dodonov at intel.com> wrote:
> This logs all the registers and SBI accesses as they happen.
> 
> Note that it is not supposed to go into the final patch series. But there
> are too many subtle changes in both HSW and LPT that are much easier to
> spot with this extra debugging when attaching a dmesg output in case of
> problems.
> 
> In other words, this is ugly, but if you run into an issue and send me
> dmesg with those included, my chances of investigating the problems will
> increase exponentially.

This should already by covered by the tracepoints. I guess you just
lacked the magic patch to enable ftrace on module load.

1289311867-10096-1-git-send-email-chris at chris-wilson.co.uk

I was hoping that since Steven Rostedt agreed and seemed to convince Rusty
as well, he would pick it up... So it could do with some love.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



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