[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 Wilson, Intel Open Source Technology Centre

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