Re: [PATCH 2/5] drm: Define a work struct for scheduling a uevent for modeset retry

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On Sat, Oct 22, 2016 at 10:48:13AM +0200, Daniel Vetter wrote:
> On Fri, Oct 21, 2016 at 04:45:40PM -0700, Manasi Navare wrote:
> > This work struct will be used to schedule a uevent on a separate
> > thread. This will be scheduled after a link train failure during modeset
> > to indicate a modeset retry request. It will get executed after the
> > current modeset is complete and all locks are released. This was
> > required to avoid deadlock.
> > 
> > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > Cc: Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx>
> > 
> > Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
> > ---
> >  include/drm/drm_connector.h | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> > index ac9d7d8..fcf6b97 100644
> > --- a/include/drm/drm_connector.h
> > +++ b/include/drm/drm_connector.h
> > @@ -682,6 +682,11 @@ struct drm_connector {
> >  	uint8_t num_h_tile, num_v_tile;
> >  	uint8_t tile_h_loc, tile_v_loc;
> >  	uint16_t tile_h_size, tile_v_size;
> > +
> > +	/* Work struct to schedule a uevent on link train failure for
> > +	 * DisplayPort.
> > +	 */
> > +	struct work_struct i915_modeset_retry_work;
> 
> You cannot put i915 stuff into core structs.
> -Daniel
> 
> >  };

I will rename it to use modeset_retry_work instead.

Manasi
> >  
> >  #define obj_to_connector(x) container_of(x, struct drm_connector, base)
> > -- 
> > 1.9.1
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
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