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@lists.freedesktop.org Cc: Jani Nikula jani.nikula@linux.intel.com Cc: Daniel Vetter daniel.vetter@intel.com Cc: Ville Syrjala ville.syrjala@linux.intel.com
Signed-off-by: Manasi Navare manasi.d.navare@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; };
#define obj_to_connector(x) container_of(x, struct drm_connector, base)