Op 16-02-18 om 20:27 schreef Pandiyan, Dhinakaran:
> On Fri, 2018-02-16 at 08:55 +0000, Chris Wilson wrote:
>> Quoting Dhinakaran Pandiyan (2018-02-16 04:33:21)
>>> Preparing a framebuffer should not require a flush. _post_plane_update()
>>> takes care of flushing when a flip is scheduled, this should be
>>> sufficient for PSR and FBC.
>> Makes sense.
>>  
> I also think this might speed up the flips a bit by avoiding flushes. 
>
>>> Cc: Paulo Zanoni <paulo.r.zan...@intel.com>
>>> Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
>>> Cc: Chris Wilson <ch...@chris-wilson.co.uk>
>>> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
>> Also
>> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
>> to validate the flow through atomic.
>> -Chris
>>
Page flips used to do intel_frontbuffer_flip_prepare here, followed by 
intel_frontbuffer_flip_complete. I think it would make sense to change the 
patch to do that?


Then again, seems like frontbuffer tracking should be done per crtc..
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