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Diffstat (limited to 'include/drm/display/drm_dp_mst_helper.h')
-rw-r--r--include/drm/display/drm_dp_mst_helper.h16
1 files changed, 12 insertions, 4 deletions
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index 4429d3b1745b..9b19d8bd520a 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)
@@ -839,10 +840,10 @@ 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, bool dsc);
+int drm_dp_calc_pbn_mode(int clock, int bpp);
void drm_dp_mst_update_slots(struct drm_dp_mst_topology_state *mst_state, uint8_t link_encoding_cap);
@@ -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);