[Intel-gfx] [PATCH RFC 2/8] drm: Define a work struct for scheduling a uevent for modeset retry

[Pandiyan, Dhinakaran]

On Wed, 2016-10-19 at 14:46 -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 at lists.freedesktop.org
> Cc: Jani Nikula <jani.nikula at linux.intel.com>
> Cc: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
> 
> Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
> ---
>  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 d499466..9218a24 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -687,6 +687,11 @@ struct drm_connector {
>  	 * in case of link train failure during current modeset
>  	 */
>  	bool link_train_retry;
> +
> +	/* Work struct to schedule a uevent on link train failure for
> +	 * DisplayPort.
> +	 */
> +	struct work_struct i915_modeset_retry_work;

Should this be in struct intel_connector instead ?

>  };
>  
>  #define obj_to_connector(x) container_of(x, struct drm_connector, base)