Displaying 9 results from an estimated 9 matches for "tx_slots".
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nr_slots
2019 Sep 25
2
[PATCH v2 03/27] drm/dp_mst: Destroy MSTBs asynchronously
...or_each_entry_safe(port, tmp, &mstb->ports, next) {
> - list_del(&port->next);
> - drm_dp_mst_topology_put_port(port);
> - }
> - mutex_unlock(&mgr->lock);
> -
> - /* drop any tx slots msg */
> - mutex_lock(&mstb->mgr->qlock);
> - if (mstb->tx_slots[0]) {
> - mstb->tx_slots[0]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
> - mstb->tx_slots[0] = NULL;
> - wake_tx = true;
> - }
> - if (mstb->tx_slots[1]) {
> - mstb->tx_slots[1]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
> - mstb->tx_slots[1] = NULL;
> - wake_...
2019 Sep 27
1
[PATCH v2 03/27] drm/dp_mst: Destroy MSTBs asynchronously
...t_del(&port->next);
> > > - drm_dp_mst_topology_put_port(port);
> > > - }
> > > - mutex_unlock(&mgr->lock);
> > > -
> > > - /* drop any tx slots msg */
> > > - mutex_lock(&mstb->mgr->qlock);
> > > - if (mstb->tx_slots[0]) {
> > > - mstb->tx_slots[0]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
> > > - mstb->tx_slots[0] = NULL;
> > > - wake_tx = true;
> > > - }
> > > - if (mstb->tx_slots[1]) {
> > > - mstb->tx_slots[1]->state = DRM_DP_SIDEBAND_TX...
2019 Sep 03
0
[PATCH v2 03/27] drm/dp_mst: Destroy MSTBs asynchronously
...mutex_lock(&mgr->lock);
- list_for_each_entry_safe(port, tmp, &mstb->ports, next) {
- list_del(&port->next);
- drm_dp_mst_topology_put_port(port);
- }
- mutex_unlock(&mgr->lock);
-
- /* drop any tx slots msg */
- mutex_lock(&mstb->mgr->qlock);
- if (mstb->tx_slots[0]) {
- mstb->tx_slots[0]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
- mstb->tx_slots[0] = NULL;
- wake_tx = true;
- }
- if (mstb->tx_slots[1]) {
- mstb->tx_slots[1]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
- mstb->tx_slots[1] = NULL;
- wake_tx = true;
- }
- mutex_unlock(&mstb-...
2019 Oct 22
0
[PATCH v5 01/14] drm/dp_mst: Destroy MSTBs asynchronously
...mutex_lock(&mgr->lock);
- list_for_each_entry_safe(port, tmp, &mstb->ports, next) {
- list_del(&port->next);
- drm_dp_mst_topology_put_port(port);
- }
- mutex_unlock(&mgr->lock);
-
- /* drop any tx slots msg */
- mutex_lock(&mstb->mgr->qlock);
- if (mstb->tx_slots[0]) {
- mstb->tx_slots[0]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
- mstb->tx_slots[0] = NULL;
- wake_tx = true;
- }
- if (mstb->tx_slots[1]) {
- mstb->tx_slots[1]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
- mstb->tx_slots[1] = NULL;
- wake_tx = true;
- }
- mutex_unlock(&mstb-...
2019 Sep 25
0
[PATCH v2 03/27] drm/dp_mst: Destroy MSTBs asynchronously
...>ports, next) {
> > - list_del(&port->next);
> > - drm_dp_mst_topology_put_port(port);
> > - }
> > - mutex_unlock(&mgr->lock);
> > -
> > - /* drop any tx slots msg */
> > - mutex_lock(&mstb->mgr->qlock);
> > - if (mstb->tx_slots[0]) {
> > - mstb->tx_slots[0]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
> > - mstb->tx_slots[0] = NULL;
> > - wake_tx = true;
> > - }
> > - if (mstb->tx_slots[1]) {
> > - mstb->tx_slots[1]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
> > - mstb-&g...
2019 Sep 03
0
[PATCH v2 13/27] drm/dp_mst: Refactor drm_dp_mst_handle_down_rep()
...- struct drm_dp_mst_branch *mstb;
- int slot = -1;
- mstb = drm_dp_get_mst_branch_device(mgr,
- mgr->down_rep_recv.initial_hdr.lct,
- mgr->down_rep_recv.initial_hdr.rad);
+ /* find the message */
+ slot = hdr->seqno;
+ mutex_lock(&mgr->qlock);
+ txmsg = mstb->tx_slots[slot];
+ /* remove from slots */
+ mutex_unlock(&mgr->qlock);
- if (!mstb) {
- DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", mgr->down_rep_recv.initial_hdr.lct);
- memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx));
- return 0;
- }
+...
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 05/14] drm/dp_mst: Add probe_lock
...al to talk to this branch device.
* @num_ports: number of ports on the branch.
* @msg_slots: one bit per transmitted msg slot.
- * @ports: linked list of ports on this branch.
* @port_parent: pointer to the port parent, NULL if toplevel.
* @mgr: topology manager for this branch device.
* @tx_slots: transmission slots for this device.
@@ -156,6 +163,16 @@ struct drm_dp_mst_branch {
int num_ports;
int msg_slots;
+ /**
+ * @ports: the list of ports on this branch device. This should be
+ * considered protected for reading by &drm_dp_mst_topology_mgr.lock.
+ * There are two exceptio...