diff options
Diffstat (limited to 'include/drm/display/drm_dp_mst_helper.h')
| -rw-r--r-- | include/drm/display/drm_dp_mst_helper.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h index 655862b3d2..9b19d8bd52 100644 --- a/include/drm/display/drm_dp_mst_helper.h +++ b/include/drm/display/drm_dp_mst_helper.h @@ -25,6 +25,7 @@ #include <linux/types.h> #include <drm/display/drm_dp_helper.h> #include <drm/drm_atomic.h> +#include <drm/drm_fixed.h> #if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS) #include <linux/stackdepot.h> @@ -617,7 +618,7 @@ struct drm_dp_mst_topology_state { * @pbn_div: The current PBN divisor for this topology. The driver is expected to fill this * out itself. */ - int pbn_div; + fixed20_12 pbn_div; }; #define to_dp_mst_topology_mgr(x) container_of(x, struct drm_dp_mst_topology_mgr, base) @@ -839,8 +840,8 @@ struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port); -int drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr, - int link_rate, int link_lane_count); +fixed20_12 drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr, + int link_rate, int link_lane_count); int drm_dp_calc_pbn_mode(int clock, int bpp); @@ -892,6 +893,9 @@ drm_atomic_get_new_mst_topology_state(struct drm_atomic_state *state, struct drm_dp_mst_atomic_payload * drm_atomic_get_mst_payload_state(struct drm_dp_mst_topology_state *state, struct drm_dp_mst_port *port); +bool drm_dp_mst_port_downstream_of_parent(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port, + struct drm_dp_mst_port *parent); int __must_check drm_dp_atomic_find_time_slots(struct drm_atomic_state *state, struct drm_dp_mst_topology_mgr *mgr, @@ -913,6 +917,10 @@ int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr, int drm_dp_send_query_stream_enc_status(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, struct drm_dp_query_stream_enc_status_ack_reply *status); +int __must_check drm_dp_mst_atomic_check_mgr(struct drm_atomic_state *state, + struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_topology_state *mst_state, + struct drm_dp_mst_port **failing_port); int __must_check drm_dp_mst_atomic_check(struct drm_atomic_state *state); int __must_check drm_dp_mst_root_conn_atomic_check(struct drm_connector_state *new_conn_state, struct drm_dp_mst_topology_mgr *mgr); |