On Fri,  3 Feb 2012 14:31:41 -0800, Ben Widawsky <[email protected]> wrote:
> This is similar to a patch I wrote several months ago. It's been updated
> for the new FORCEWAKE_MT, and it also no longer clears the debug
> register as it may be helpful to get that for the error state.  Also
> recommended by Chris Wilson, use WARN() instead of DRM_ERROR, so we can
> get a backtrace.
> 
> Signed-off-by: Ben Widawsky <[email protected]>

Can we use the read of GTFIFODBG in place of the POSTING_READ? And do we
really need to watch all the GTFIFODBG reads in the trace, or can I
squelch that noise with a I915_READ_NOTRACE?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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