Merge tag 'drm-misc-next-2024-02-29' of https://anongit.freedesktop.org/git/drm/drm...

[linux-2.6-microblaze.git] / include / drm / display / drm_dp_helper.h

diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 534f78e..a62fcd0 100644 (file)
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -100,6 +100,8 @@ struct drm_dp_vsc_sdp {
 
 void drm_dp_vsc_sdp_log(struct drm_printer *p, const struct drm_dp_vsc_sdp *vsc);
 
+bool drm_dp_vsc_sdp_supported(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+
 int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]);
 
 static inline int
@@ -462,9 +464,15 @@ struct drm_dp_aux {
         * @is_remote: Is this AUX CH actually using sideband messaging.
         */
        bool is_remote;
+
+       /**
+        * @powered_down: If true then the remote endpoint is powered down.
+        */
+       bool powered_down;
 };
 
 int drm_dp_dpcd_probe(struct drm_dp_aux *aux, unsigned int offset);
+void drm_dp_dpcd_set_powered(struct drm_dp_aux *aux, bool powered);
 ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,
                         void *buffer, size_t size);
 ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset,
@@ -813,4 +821,6 @@ int drm_dp_bw_overhead(int lane_count, int hactive,
 int drm_dp_bw_channel_coding_efficiency(bool is_uhbr);
 int drm_dp_max_dprx_data_rate(int max_link_rate, int max_lanes);
 
+ssize_t drm_dp_vsc_sdp_pack(const struct drm_dp_vsc_sdp *vsc, struct dp_sdp *sdp);
+
 #endif /* _DRM_DP_HELPER_H_ */