summaryrefslogtreecommitdiff
path: root/include/drm/display/drm_dp_mst_helper.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/drm/display/drm_dp_mst_helper.h')
-rw-r--r--include/drm/display/drm_dp_mst_helper.h23
1 files changed, 18 insertions, 5 deletions
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index ed5c9660563c..4429d3b1745b 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -46,6 +46,13 @@ struct drm_dp_mst_topology_ref_history {
};
#endif /* IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS) */
+enum drm_dp_mst_payload_allocation {
+ DRM_DP_MST_PAYLOAD_ALLOCATION_NONE,
+ DRM_DP_MST_PAYLOAD_ALLOCATION_LOCAL,
+ DRM_DP_MST_PAYLOAD_ALLOCATION_DFP,
+ DRM_DP_MST_PAYLOAD_ALLOCATION_REMOTE,
+};
+
struct drm_dp_mst_branch;
/**
@@ -537,7 +544,7 @@ struct drm_dp_mst_atomic_payload {
* drm_dp_mst_atomic_wait_for_dependencies() has been called, which will ensure the
* previous MST states payload start slots have been copied over to the new state. Note
* that a new start slot won't be assigned/removed from this payload until
- * drm_dp_add_payload_part1()/drm_dp_remove_payload() have been called.
+ * drm_dp_add_payload_part1()/drm_dp_remove_payload_part2() have been called.
* * Acquire the MST modesetting lock, and then wait for any pending MST-related commits to
* get committed to hardware by calling drm_crtc_commit_wait() on each of the
* &drm_crtc_commit structs in &drm_dp_mst_topology_state.commit_deps.
@@ -564,6 +571,9 @@ struct drm_dp_mst_atomic_payload {
/** @dsc_enabled: Whether or not this payload has DSC enabled */
bool dsc_enabled : 1;
+ /** @payload_allocation_status: The allocation status of this payload */
+ enum drm_dp_mst_payload_allocation payload_allocation_status;
+
/** @next: The list node for this payload */
struct list_head next;
};
@@ -842,10 +852,13 @@ int drm_dp_add_payload_part1(struct drm_dp_mst_topology_mgr *mgr,
int drm_dp_add_payload_part2(struct drm_dp_mst_topology_mgr *mgr,
struct drm_atomic_state *state,
struct drm_dp_mst_atomic_payload *payload);
-void drm_dp_remove_payload(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_topology_state *mst_state,
- const struct drm_dp_mst_atomic_payload *old_payload,
- struct drm_dp_mst_atomic_payload *new_payload);
+void drm_dp_remove_payload_part1(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_topology_state *mst_state,
+ struct drm_dp_mst_atomic_payload *payload);
+void drm_dp_remove_payload_part2(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_topology_state *mst_state,
+ const struct drm_dp_mst_atomic_payload *old_payload,
+ struct drm_dp_mst_atomic_payload *new_payload);
int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr);