Radeon: race in dp aux code on atom scratch

Dave Airlie airlied at gmail.com
Sun Nov 9 23:47:58 PST 2014


Hey,

I think I spotted a problem in the atombios auxch code, we lock the chan
mutex, access atom scratch and then call atom execute.

Now atom execute is protected by a mutex, but if multiple aux channels are
accessed we will collide on the scratch area,

Any ideas on best fix?

Dave.
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