[Intel-gfx] [PATCH] drm/i915: Ironlake do_idle_maps w/a may be called w/o struct_mutex

[Joonas Lahtinen]

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 at chris-wilson.co.uk>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Jani Nikula <jani.nikula at linux.intel.com>
> Cc: intel-gfx at lists.freedesktop.org
> Cc: <stable at vger.kernel.org> # v4.10+

Is there Bugzilla or did you just hit the assert on your own?

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation