On Thu, Mar 30, 2017 at 01:02:52PM +0300, Joonas Lahtinen wrote:
> On to, 2017-03-30 at 09:53 +0100, Chris Wilson wrote:
> > Since commit 1233e2db199d ("drm/i915: Move object backing storage
> > manipulation to its own locking"), i915_gem_object_put_pages() and
> > specifically the i915_gem_gtt_finish_pages() may be called from outside
> > of the struct_mutex and so we can no longer pass I915_WAIT_LOCKED to
> > i915_gem_wait_for_idle.
> >
> > Fixes: 1233e2db199d ("drm/i915: Move object backing storage manipulation to its own locking")
> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> > Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > Cc: <stable@xxxxxxxxxxxxxxx> # v4.10+
>
> Is there Bugzilla or did you just hit the assert on your own?
Just reviewing callers of i915_gem_wait_for_idle() prior to refactor.
Seems like we got the message across about not using Ironlake + VT'd, or
that those that do are using enterprise kernels and won't have lockdep
enabled when they finally get the kernel update in a few years time.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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