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| author |  Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| 2023-12-03 14:43:31 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
| 2023-12-04 16:07:29 +0200 |
| commit | e560518a6c2e60f1566473c146fddcff3281f617 (patch) | |
| tree | 96c45a86e3fc2c300d8c165778e5295194e5b6f3 /include/drm/bridge/aux-bridge.h | |
| parent | usb: typec: nb7vpq904m: switch to DRM_AUX_BRIDGE (diff) | |
| download | linux-e560518a6c2e60f1566473c146fddcff3281f617.tar.gz linux-e560518a6c2e60f1566473c146fddcff3281f617.tar.bz2 linux-e560518a6c2e60f1566473c146fddcff3281f617.zip | |
drm/bridge: implement generic DP HPD bridge
Several USB-C controllers implement a pretty simple DRM bridge which
implements just the HPD notification operations. Add special helper
for creating such simple bridges.
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231203114333.1305826-5-dmitry.baryshkov@linaro.org
Diffstat (limited to 'include/drm/bridge/aux-bridge.h')
| -rw-r--r-- | include/drm/bridge/aux-bridge.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/drm/bridge/aux-bridge.h b/include/drm/bridge/aux-bridge.h index b3a9cc9c862f..66249ff0858e 100644 --- a/include/drm/bridge/aux-bridge.h +++ b/include/drm/bridge/aux-bridge.h @@ -7,6 +7,8 @@ #ifndef DRM_AUX_BRIDGE_H #define DRM_AUX_BRIDGE_H +#include <drm/drm_connector.h> + #if IS_ENABLED(CONFIG_DRM_AUX_BRIDGE) int drm_aux_bridge_register(struct device *parent); #else @@ -16,4 +18,20 @@ static inline int drm_aux_bridge_register(struct device *parent) } #endif +#if IS_ENABLED(CONFIG_DRM_AUX_HPD_BRIDGE) +struct device *drm_dp_hpd_bridge_register(struct device *parent, + struct device_node *np); +void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status); +#else +static inline struct device *drm_dp_hpd_bridge_register(struct device *parent, + struct device_node *np) +{ + return 0; +} + +static inline void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status) +{ +} +#endif + #endif |