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| author | Boris Brezillon <boris.brezillon@collabora.com> | 2019-12-03 17:15:06 +0300 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@collabora.com> | 2019-12-09 12:02:22 +0300 |
| commit | fadf872d9d9274a3be34d8438e0f6bb465c8f98b (patch) | |
| tree | c6061fd017acd55b3c7145ff3ae0f482618a05ab /include/drm/drm_bridge.h | |
| parent | ea099adfdf4bf35903dc1c0f59a0d60175759c70 (diff) | |
| download | linux-fadf872d9d9274a3be34d8438e0f6bb465c8f98b.tar.xz | |
drm/bridge: Introduce drm_bridge_get_next_bridge()
And use it in drivers accessing the bridge->next field directly.
This is part of our attempt to make the bridge chain a double-linked list
based on the generic list helpers.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191203141515.3597631-3-boris.brezillon@collabora.com
Diffstat (limited to 'include/drm/drm_bridge.h')
| -rw-r--r-- | include/drm/drm_bridge.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 726435baf4ad..46fc17c63a44 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -409,6 +409,19 @@ struct drm_bridge *of_drm_find_bridge(struct device_node *np); int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge, struct drm_bridge *previous); +/** + * drm_bridge_get_next_bridge() - Get the next bridge in the chain + * @bridge: bridge object + * + * RETURNS: + * the next bridge in the chain after @bridge, or NULL if @bridge is the last. + */ +static inline struct drm_bridge * +drm_bridge_get_next_bridge(struct drm_bridge *bridge) +{ + return bridge->next; +} + bool drm_bridge_chain_mode_fixup(struct drm_bridge *bridge, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); |