diff options
| -rw-r--r-- | include/drm/drm_bridge.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 5a5a25995471..77b3ffe69230 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -562,6 +562,41 @@ struct drm_bridge_funcs { unsigned long long tmds_rate); /** + * @hdmi_scrambler_enable: + * + * Enable source-side scrambling and the high TMDS clock ratio for the + * mode currently being applied. + * + * This only programs the source side. Sink-side SCDC configuration is + * handled by the HDMI connector helpers. + * + * Mandatory for bridges that set the DRM_BRIDGE_OP_HDMI flag in their + * &drm_bridge->ops and advertise HDMI_VERSION_2_0 or later via + * &drm_bridge->supported_hdmi_ver; unused otherwise. + * + * Returns: + * 0 on success, a negative error code otherwise. + */ + int (*hdmi_scrambler_enable)(struct drm_bridge *bridge); + + /** + * @hdmi_scrambler_disable: + * + * Disable source-side scrambling and the high TMDS clock ratio. + * + * This only programs the source side. Sink-side SCDC configuration is + * handled by the HDMI connector helpers. + * + * Mandatory for bridges that set the DRM_BRIDGE_OP_HDMI flag in their + * &drm_bridge->ops and advertise HDMI_VERSION_2_0 or later via + * &drm_bridge->supported_hdmi_ver; unused otherwise. + * + * Returns: + * 0 on success, a negative error code otherwise. + */ + int (*hdmi_scrambler_disable)(struct drm_bridge *bridge); + + /** * @hdmi_clear_avi_infoframe: * * This callback clears the infoframes in the hardware during commit. |