To iterate over all bridges attached to a specific encoder.
Suggested-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Signed-off-by: Boris Brezillon boris.brezillon@collabora.com Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Reviewed-by: Neil Armstrong narmstrong@baylibre.com --- Changes in v4: * Fix the doc header * Add Rbs
Changes in v3: * None
Changes in v2: * New patch --- include/drm/drm_bridge.h | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index c118726469ee..1eb854025a20 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -441,6 +441,17 @@ drm_bridge_chain_get_first_bridge(struct drm_encoder *encoder) struct drm_bridge, chain_node); }
+/** + * drm_for_each_bridge_in_chain() - Iterate over all bridges present in a chain + * @encoder: the encoder to iterate bridges on + * @bridge: a bridge pointer updated to point to the current bridge at each + * iteration + * + * Iterate over all bridges present in the bridge chain attached to @encoder. + */ +#define drm_for_each_bridge_in_chain(encoder, bridge) \ + list_for_each_entry(bridge, &(encoder)->bridge_chain, chain_node) + bool drm_bridge_chain_mode_fixup(struct drm_bridge *bridge, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode);