Re: [PATCH] drm/i915: Bug fixes to ring 'head' updating

Daniel Vetter
2014-11-17T16:30:58Z

On Tue, Nov 04, 2014 at 02:17:07PM +0000, Dave Gordon wrote:
> BTW, I have some local patches which enforce strict checking of
> ring_begin/add_request pairing and generates warnings if there's a
> mismatch or an overrun or any other misuse. We've been using these to
> help identify and eliminate code that just stuffs instructions into the
> ring without notifying the scheduler. Interested?

Definitely (under the assumption that this helped tracked down bugs ofc).
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch