Probe a displayport link for capabilities
int drm_dp_link_probe(struct drm_dp_aux * aux, struct drm_dp_link * link);
aux
DisplayPort AUX channel
link
pointer to structure in which to return link capabilities
The structure filled in by this function can usually be passed directly into drm_dp_link_power_up and drm_dp_link_configure to power up and configure the link based on the link's capabilities.
Returns 0 on success or a negative error code on failure.
Jesse Barnes <[email protected]>
Intel Corporation,
Initial version
Laurent Pinchart <[email protected]>
Ideas on board SPRL,
Driver internals
Daniel Vetter <[email protected]>
Intel Corporation,
Contributions all over the place