Re: [PATCH] drm/i915: add cherryview specfic forcewake in execlists_elsp_write

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On Wed, Sep 10, 2014 at 05:47:39PM +0200, Daniel Vetter wrote:
> Aside if someone gets bored and wants to apply some polish: And __ variant
> of force_wake_get/put which only asserts that the device isn't runtime
> suspended instead of doing the runtime_pm_get/put would be cute - we have
> one other user in the hsw/bdw rpm code already.
> 
> The current force_wake_get/put functions would then just wrap those raw
> versions.

I fail to see the reason why they take it at all. Conceptually,
gen6_gt_force_wake_get() is just as lowlevel as the register access they
wrap. The only one that breaks the rule is i915_debugfs.c and that seems
easy enough to wrap with its own intel_runtime_pm_get/_put.

And once you've finish with that you can then sort out the mess that is
the vlv variants. And now skl continues in the cut'n'paste'n'paste vein.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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