Re: [PATCH 16/26] drm/hdlcd: Use helper support for nonblocking commits

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On Tue, May 31, 2016 at 01:07:15PM +0200, Daniel Vetter wrote:
> On Tue, May 31, 2016 at 12:02:23PM +0100, Liviu Dudau wrote:
> > On Sun, May 29, 2016 at 08:35:13PM +0200, Daniel Vetter wrote:
> > > Again, just doing them as blocking commits isn't cool.
> > > 
> > > From a cursory check hdlcd does seem to at least try to handle
> > > drm_pending_vblank_event, so hopefully this works.
> > > 
> > > Cc: Liviu Dudau <Liviu.Dudau@xxxxxxx>
> > > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > 
> > Daniel,
> > 
> > I have a proper implementation for this, which I will send out shortly, so I will
> > NAK this patch.
> 
> Please don't implement your own atomic nonblocking commit any more. I have
> a generic solution, which this patch series implements and then also
> converts hdlcd over to it. I admit the commit message is a bit unclear
> with that.
> 
> If you don't want to pick this up from the mailing lists it's also in my
> fdo git repo:
> 
> https://cgit.freedesktop.org/~danvet/drm/log/
> 
> So nack on your nack ;-)

OK, in that case:

Acked-by: Liviu Dudau <Liviu.Dudau@xxxxxxx>

Working towards validating your patch series with the HDLCD driver as well.

Best regards,
Liviu

> 
> Cheers, Daniel
> 
> > 
> > Best regards,
> > Liviu
> > 
> > > ---
> > >  drivers/gpu/drm/arm/hdlcd_drv.c | 8 +-------
> > >  1 file changed, 1 insertion(+), 7 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
> > > index 4f909378d581..6d1877238cf0 100644
> > > --- a/drivers/gpu/drm/arm/hdlcd_drv.c
> > > +++ b/drivers/gpu/drm/arm/hdlcd_drv.c
> > > @@ -112,17 +112,11 @@ static void hdlcd_fb_output_poll_changed(struct drm_device *drm)
> > >  		drm_fbdev_cma_hotplug_event(hdlcd->fbdev);
> > >  }
> > >  
> > > -static int hdlcd_atomic_commit(struct drm_device *dev,
> > > -			       struct drm_atomic_state *state, bool nonblock)
> > > -{
> > > -	return drm_atomic_helper_commit(dev, state, false);
> > > -}
> > > -
> > >  static const struct drm_mode_config_funcs hdlcd_mode_config_funcs = {
> > >  	.fb_create = drm_fb_cma_create,
> > >  	.output_poll_changed = hdlcd_fb_output_poll_changed,
> > >  	.atomic_check = drm_atomic_helper_check,
> > > -	.atomic_commit = hdlcd_atomic_commit,
> > > +	.atomic_commit = drm_atomic_helper_commit,
> > >  };
> > >  
> > >  static void hdlcd_setup_mode_config(struct drm_device *drm)
> > > -- 
> > > 2.8.1
> > > 
> > 
> > -- 
> > ====================
> > | I would like to |
> > | fix the world,  |
> > | but they're not |
> > | giving me the   |
> >  \ source code!  /
> >   ---------------
> >     ¯\_(ツ)_/¯
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯
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