[Intel-gfx] [PATCH 3/6] drm/i915: change power_well->lock to be mutex

Daniel Vetter daniel at ffwll.ch
Sat Oct 19 13:02:07 CEST 2013

On Fri, Oct 18, 2013 at 11:50:47AM -0700, Jesse Barnes wrote:
> Are there ordering requirements we should document?  E.g. always take
> this after the mode config lock or something?

The mode_config lock is pretty much the outermost thing, and for getting
it right we have lockdpe. As long as we ensure that we have full coverage
with our tests and as long as QA doesn't fumble running the debug kernel
builds we should be fine. So imo no need to document the locking.
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

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