On Fri, Mar 06, 2015 at 07:22:46PM +0200, Ville Syrjälä wrote:
> On Fri, Mar 06, 2015 at 06:03:31PM +0100, Daniel Vetter wrote:
> > On Thu, Mar 05, 2015 at 05:56:23PM +0200, Ville Syrjälä wrote:
> > > On Thu, Mar 05, 2015 at 04:29:30PM +0100, Daniel Vetter wrote:
> > > > On Thu, Mar 05, 2015 at 03:08:17PM +0200, Ville Syrjälä wrote:
> > > > > On Thu, Mar 05, 2015 at 01:56:53PM +0100, Daniel Vetter wrote:
> > > > > > On Thu, Mar 05, 2015 at 02:51:28PM +0530, Sonika Jindal wrote:
> > > > > > > @@ -1519,16 +1550,7 @@ intel_plane_init(struct drm_device *dev, 
> > > > > > > enum pipe pipe, int plane)
> > > > > > >           goto out;
> > > > > > >   }
> > > > > > >  
> > > > > > > - if (!dev->mode_config.rotation_property)
> > > > > > > -         dev->mode_config.rotation_property =
> > > > > > > -                 drm_mode_create_rotation_property(dev,
> > > > > > > -                                                   
> > > > > > > BIT(DRM_ROTATE_0) |
> > > > > > > -                                                   
> > > > > > > BIT(DRM_ROTATE_180));
> > > > > > > -
> > > > > > > - if (dev->mode_config.rotation_property)
> > > > > > > -         drm_object_attach_property(&intel_plane->base.base,
> > > > > > > -                                    
> > > > > > > dev->mode_config.rotation_property,
> > > > > > > -                                    state->base.rotation);
> > > > > > > + intel_create_rotation_property(dev, intel_plane);
> > > > > > 
> > > > > > I think back from the original rotation work we've had the leftover 
> > > > > > task
> > > > > > to move this into common code so that we do create the property 
> > > > > > just once
> > > > > > without this check.
> > > > > > 
> > > > > > I think this should be done now.
> > > > > 
> > > > > Someone should also make it so we can again have different supported
> > > > > rotation bits on different planes. I'll have need for it on CHV I 
> > > > > think.
> > > > 
> > > > plane->atomic_check just needs to reject them. Tbh I'm not sold on the
> > > > value of trying to tell userspace which rotation works and which doesnt 
> > > > -
> > > > generic userspace won't learn about y-tiling requirements either so this
> > > > feels a bit pointless tbh. And rejecting stuff in atomic_check is what
> > > > it's for.
> > > 
> > > By that logic we shouldn't expose pixel formats or any other useful
> > > infromation either then.
> > 
> > Well to be able to fix this we need to restrict the value-set of
> > properties per-attachment. Since I very much want core atomic to decodd
> > standardized properties, and if we create rotation per-plane then that's
> > going to be fairly painful.
> 
> AFAICS it should be a simple matter of
> s/config->rotation_property/plane->rotation_property/
> Well, unless you want to go optimize things so that we don't create multiple
> properties with the same supported bitmask.

Hm yeah that'd work too. I guess I've been a bit dense today, time for w/e
;-)

Cheers, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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