On Fri, Nov 06, 2015 at 03:08:32PM +0200, [email protected] wrote:
> From: Ville Syrjälä <[email protected]>
> 
> We set up fbdev last during load, so doing the fbdev cleanup should be
> first.
> 
> We weren't supposed to drop the init power during driver load, but since
> the fbdev teardown happened after intel_power_domains_fini() that could
> have happened due in one of two ways. First it could have happened
> during the modeset caused by normal fbdev cleanup. But in addition it
> could have happened already via the intel_fbdev_initial_config() since
> that is executed asynhronously, and the async_synchronize_full() was
> done during fbdev cleanup, after intel_power_domains_fini(). All of
> that got eliminated by
> commit 292b990e86abc ("drm/i915: Update power domains on readout.")
> since we now drop the init power synchronously during driver load.
> 
> So there is no real bug wrt. the init power anymore, but still it seems
> better to do the fbdev cleanup first, before we've potentially cleaned
> up something else important.
> 
> Signed-off-by: Ville Syrjälä <[email protected]>

Reviewed-by: Chris Wilson <[email protected]>

Hmm, a good onion and some nice cheese make a fine sandwich.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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