Displaying 7 results from an estimated 7 matches for "dp_resource_status_notify".
2019 Sep 03
0
[PATCH v2 19/27] drm/dp_mst: Handle UP requests asynchronously
...drm_dp_sideband_msg_req_body *msg = &up_req->msg;
+ struct drm_dp_sideband_msg_hdr *hdr = &up_req->hdr;
+
+ if (hdr->broadcast) {
+ const u8 *guid = NULL;
+
+ if (msg->req_type == DP_CONNECTION_STATUS_NOTIFY)
+ guid = msg->u.conn_stat.guid;
+ else if (msg->req_type == DP_RESOURCE_STATUS_NOTIFY)
+ guid = msg->u.resource_stat.guid;
+
+ mstb = drm_dp_get_mst_branch_device_by_guid(mgr, guid);
+ } else {
+ mstb = drm_dp_get_mst_branch_device(mgr, hdr->lct, hdr->rad);
+ }
+
+ if (!mstb) {
+ DRM_DEBUG_KMS("Got MST reply from unknown device %d\n",
+ hdr->lct);...
2019 Oct 22
0
[PATCH v5 04/14] drm/dp_mst: Handle UP requests asynchronously
...drm_dp_sideband_msg_req_body *msg = &up_req->msg;
+ struct drm_dp_sideband_msg_hdr *hdr = &up_req->hdr;
+
+ if (hdr->broadcast) {
+ const u8 *guid = NULL;
+
+ if (msg->req_type == DP_CONNECTION_STATUS_NOTIFY)
+ guid = msg->u.conn_stat.guid;
+ else if (msg->req_type == DP_RESOURCE_STATUS_NOTIFY)
+ guid = msg->u.resource_stat.guid;
+
+ mstb = drm_dp_get_mst_branch_device_by_guid(mgr, guid);
+ } else {
+ mstb = drm_dp_get_mst_branch_device(mgr, hdr->lct, hdr->rad);
+ }
+
+ if (!mstb) {
+ DRM_DEBUG_KMS("Got MST reply from unknown device %d\n",
+ hdr->lct);...
2019 Sep 03
0
[PATCH v2 12/27] drm/dp_mst: Refactor drm_dp_mst_handle_up_req()
...band_parse_req(&mgr->up_req_recv, &msg);
- if (msg.req_type == DP_CONNECTION_STATUS_NOTIFY) {
- drm_dp_send_up_ack_reply(mgr, mgr->mst_primary, msg.req_type, seqno, false);
+ if (msg.req_type == DP_CONNECTION_STATUS_NOTIFY)
+ guid = msg.u.conn_stat.guid;
+ else if (msg.req_type == DP_RESOURCE_STATUS_NOTIFY)
+ guid = msg.u.resource_stat.guid;
+ else
+ goto out;
- if (!mstb)
- mstb = drm_dp_get_mst_branch_device_by_guid(mgr, msg.u.conn_stat.guid);
+ drm_dp_send_up_ack_reply(mgr, mgr->mst_primary, msg.req_type, seqno,
+ false);
+ if (!mstb) {
+ mstb = drm_dp_get_mst_branch_device_by_gui...
2019 Sep 03
0
[PATCH v2 10/27] drm/dp_mst: Remove huge conditional in drm_dp_mst_handle_up_req()
....conn_stat.port_number, msg.u.conn_stat.legacy_device_plug_status, msg.u.conn_stat.displayport_device_plug_status, msg.u.conn_stat.message_capability_status, msg.u.conn_stat.input_port, msg.u.conn_stat.peer_device_type);
- drm_kms_helper_hotplug_event(mgr->dev);
-
- } else if (msg.req_type == DP_RESOURCE_STATUS_NOTIFY) {
- drm_dp_send_up_ack_reply(mgr, mgr->mst_primary, msg.req_type, seqno, false);
- if (!mstb)
- mstb = drm_dp_get_mst_branch_device_by_guid(mgr, msg.u.resource_stat.guid);
+ DRM_DEBUG_KMS("Got CSN: pn: %d ldps:%d ddps: %d mcs: %d ip: %d pdt: %d\n", msg.u.conn_stat.port_number,...
2019 Sep 03
50
[PATCH v2 00/27] DP MST Refactors + debugging tools + suspend/resume reprobing
This is the large series for adding MST suspend/resume reprobing that
I've been working on for quite a while now. In addition, I:
- Refactored and cleaned up any code I ended up digging through in the
process of understanding how some parts of these helpers worked.
- Added some debugging tools along the way that I ended up needing to
figure out some issues in my own code
Note that
2019 Oct 22
17
[PATCH v5 00/14] DP MST Refactors + debugging tools + suspend/resume reprobing
This is the final portion of the large series for adding MST
suspend/resume reprobing that I've been working on for quite a while
now. In addition, I:
* Refactored and cleaned up any code I ended up digging through in the
process of understanding how some parts of these helpers worked.
* Added some debugging tools along the way that I ended up needing to
figure out some issues in my own
2019 Oct 22
0
[PATCH v5 06/14] drm/dp_mst: Protect drm_dp_mst_port members with locking
...adcast) {
const u8 *guid = NULL;
@@ -3298,16 +3368,17 @@ drm_dp_mst_process_up_req(struct drm_dp_mst_topology_mgr *mgr,
if (!mstb) {
DRM_DEBUG_KMS("Got MST reply from unknown device %d\n",
hdr->lct);
- return;
+ return false;
}
/* TODO: Add missing handler for DP_RESOURCE_STATUS_NOTIFY events */
if (msg->req_type == DP_CONNECTION_STATUS_NOTIFY) {
drm_dp_mst_handle_conn_stat(mstb, &msg->u.conn_stat);
- drm_kms_helper_hotplug_event(mgr->dev);
+ hotplug = true;
}
drm_dp_mst_topology_put_mstb(mstb);
+ return hotplug;
}
static void drm_dp_mst_up_req_work(...