On Fri, Feb 27, 2015 at 06:11:09PM +0200, Mika Kuoppala wrote:
> commit 05a2fb157e44 ("drm/i915: Consolidate forcewake code")
> failed to take into account that we have used to reset both
> the gen6 style and the multithreaded style forcewake registers.
> This is due to fact that ivb can use either, depending on how the
> bios has set up the machine.
>
> Mimic the old semantics before we have determined the correct variety
> and reset both before the ecobus probe.
>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Huang Ying <ying.huang@xxxxxxxxx>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Lgtm, do we have a reference for the testing scenario that blew up?
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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