search for: tx_slot

Displaying 9 results from an estimated 9 matches for "tx_slot".

Did you mean: tx_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_T...
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-&...
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 excepti...