Re: [PATCH 11/11] drm/i915: Drop explicit plane restoration during resume

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On Thu, Sep 19, 2013 at 07:24:19PM -0300, Paulo Zanoni wrote:
> 2013/9/16  <ville.syrjala@xxxxxxxxxxxxxxx>:
> > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> >
> > We already restore planes during the modeset operation, so no need to do
> > another loop over the planes and try to restore them again.
> 
> What about the call from intel_lid_notify()? It helps if you explain
> on the commit message why/how we already restore things.

Sorry, I figured it's more or less obvious:

for each crtc
 -> __intel_set_mode
   -> .crtc_enable 
     -> intel_enable_planes
       -> for each plane on crtc
         -> intel_plane_restore

> 
> 
> >
> > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/intel_display.c | 3 ---
> >  1 file changed, 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index c9093bb..37a470f 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -10641,7 +10641,6 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
> >  {
> >         struct drm_i915_private *dev_priv = dev->dev_private;
> >         enum pipe pipe;
> > -       struct drm_plane *plane;
> >         struct intel_crtc *crtc;
> >         struct intel_encoder *encoder;
> >         int i;
> > @@ -10702,8 +10701,6 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
> >                         __intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y,
> >                                          crtc->fb);
> >                 }
> > -               list_for_each_entry(plane, &dev->mode_config.plane_list, head)
> > -                       intel_plane_restore(plane);
> >         } else {
> >                 intel_modeset_update_staged_output_state(dev);
> >         }
> > --
> > 1.8.1.5
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> 
> 
> -- 
> Paulo Zanoni

-- 
Ville Syrjälä
Intel OTC
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