search for: port_msg

...; + > +out: > + if (ret < 0) > + port->pdt = DP_PEER_DEVICE_NONE; > + return ret; > } > > /** > @@ -1881,10 +1904,9 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, > struct drm_device *dev, > struct drm_dp_link_addr_reply_port *port_msg) > { > + struct drm_dp_mst_topology_mgr *mgr = mstb->mgr; > struct drm_dp_mst_port *port; > - bool ret; > bool created = false; > - int old_pdt = 0; > int old_ddps = 0; > > port = drm_dp_get_port(mstb, port_msg->port_number); > @@ -1896,7 +1918,7 @@ st...

...rm_dp_mst_branch *child_mstb = NULL; > + struct drm_connector *connector_to_destroy = NULL; > + int old_ddps = 0, ret; > + u8 new_pdt = DP_PEER_DEVICE_NONE; > + bool created = false, send_link_addr = false, > + create_connector = false; > > port = drm_dp_get_port(mstb, port_msg->port_number); > if (!port) { > @@ -1923,6 +1958,7 @@ drm_dp_mst_handle_link_address_port(struct drm_dp_mst_branch *mstb, > return; > kref_init(&port->topology_kref); > kref_init(&port->malloc_kref); > + mutex_init(&port->lock); > port-&g...

...et = 1; break; } - return send_link; + +out: + if (ret < 0) + port->pdt = DP_PEER_DEVICE_NONE; + return ret; } /** @@ -1881,10 +1904,9 @@ drm_dp_mst_handle_link_address_port(struct drm_dp_mst_branch *mstb, struct drm_device *dev, struct drm_dp_link_addr_reply_port *port_msg) { + struct drm_dp_mst_topology_mgr *mgr = mstb->mgr; struct drm_dp_mst_port *port; - bool ret; bool created = false; - int old_pdt = 0; int old_ddps = 0; port = drm_dp_get_port(mstb, port_msg->port_number); @@ -1896,7 +1918,7 @@ drm_dp_mst_handle_link_address_port(struct drm_dp_ms...

...is */ + ret = 1; break; } - return send_link; + +out: + if (ret < 0) + port->pdt = DP_PEER_DEVICE_NONE; + return ret; } /** @@ -1881,10 +1904,9 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, struct drm_device *dev, struct drm_dp_link_addr_reply_port *port_msg) { + struct drm_dp_mst_topology_mgr *mgr = mstb->mgr; struct drm_dp_mst_port *port; - bool ret; bool created = false; - int old_pdt = 0; int old_ddps = 0; port = drm_dp_get_port(mstb, port_msg->port_number); @@ -1896,7 +1918,7 @@ static void drm_dp_add_port(struct drm_dp_mst_branch...

...lse; - int old_ddps = 0; + struct drm_dp_mst_branch *child_mstb = NULL; + struct drm_connector *connector_to_destroy = NULL; + int old_ddps = 0, ret; + u8 new_pdt = DP_PEER_DEVICE_NONE; + bool created = false, send_link_addr = false, + create_connector = false; port = drm_dp_get_port(mstb, port_msg->port_number); if (!port) { @@ -1923,6 +1958,7 @@ drm_dp_mst_handle_link_address_port(struct drm_dp_mst_branch *mstb, return; kref_init(&port->topology_kref); kref_init(&port->malloc_kref); + mutex_init(&port->lock); port->parent = mstb; port->port_n...

...port->pdt = DP_PEER_DEVICE_NONE; > > + return ret; > > } > > > > /** > > @@ -1881,10 +1904,9 @@ static void drm_dp_add_port(struct > > drm_dp_mst_branch *mstb, > > struct drm_device *dev, > > struct drm_dp_link_addr_reply_port *port_msg) > > { > > + struct drm_dp_mst_topology_mgr *mgr = mstb->mgr; > > struct drm_dp_mst_port *port; > > - bool ret; > > bool created = false; > > - int old_pdt = 0; > > int old_ddps = 0; > > > > port = drm_dp_get_port(mstb, port_msg-&g...

...drm_dp_mst_branch *mstb, { struct drm_dp_mst_topology_mgr *mgr = mstb->mgr; struct drm_dp_mst_port *port; - bool created = false; - int old_ddps = 0; + int old_ddps = 0, ret; + u8 new_pdt = DP_PEER_DEVICE_NONE; + bool created = false, send_link_addr = false; port = drm_dp_get_port(mstb, port_msg->port_number); if (!port) { - port = kzalloc(sizeof(*port), GFP_KERNEL); + port = drm_dp_mst_add_port(dev, mgr, mstb, + port_msg->port_number); if (!port) return; - kref_init(&port->topology_kref); - kref_init(&port->malloc_kref); - port->parent = mstb; -...

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

...y.c @@ -1900,9 +1900,10 @@ void drm_dp_mst_connector_early_unregister(struct drm_connector *connector, } EXPORT_SYMBOL(drm_dp_mst_connector_early_unregister); -static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, - struct drm_device *dev, - struct drm_dp_link_addr_reply_port *port_msg) +static void +drm_dp_mst_handle_link_address_port(struct drm_dp_mst_branch *mstb, + struct drm_device *dev, + struct drm_dp_link_addr_reply_port *port_msg) { struct drm_dp_mst_topology_mgr *mgr = mstb->mgr; struct drm_dp_mst_port *port; @@ -2011,8 +2012,9 @@ static void drm_d...

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

...around until it's child MSTB releases it + */ + drm_dp_mst_get_port_malloc(port); send_link = true; } @@ -1155,17 +1475,26 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, bool created = false; int old_pdt = 0; int old_ddps = 0; + port = drm_dp_get_port(mstb, port_msg->port_number); if (!port) { port = kzalloc(sizeof(*port), GFP_KERNEL); if (!port) return; - kref_init(&port->kref); + kref_init(&port->topology_kref); + kref_init(&port->malloc_kref); port->parent = mstb; port->port_num = port_msg->port_number;...

...around until it's child MSTB releases it + */ + drm_dp_mst_get_port_malloc(port); send_link = true; } @@ -1155,17 +1475,26 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, bool created = false; int old_pdt = 0; int old_ddps = 0; + port = drm_dp_get_port(mstb, port_msg->port_number); if (!port) { port = kzalloc(sizeof(*port), GFP_KERNEL); if (!port) return; - kref_init(&port->kref); + kref_init(&port->topology_kref); + kref_init(&port->malloc_kref); port->parent = mstb; port->port_num = port_msg->port_number;...

...around until it's child MSTB releases it + */ + drm_dp_mst_get_port_malloc(port); send_link = true; } @@ -1147,17 +1381,26 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, bool created = false; int old_pdt = 0; int old_ddps = 0; + port = drm_dp_get_port(mstb, port_msg->port_number); if (!port) { port = kzalloc(sizeof(*port), GFP_KERNEL); if (!port) return; - kref_init(&port->kref); + kref_init(&port->topology_kref); + kref_init(&port->malloc_kref); port->parent = mstb; port->port_num = port_msg->port_number;...

...*/ > + drm_dp_mst_get_port_malloc(port); > > send_link = true; > } > @@ -1147,17 +1381,26 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, > bool created = false; > int old_pdt = 0; > int old_ddps = 0; > + > port = drm_dp_get_port(mstb, port_msg->port_number); > if (!port) { > port = kzalloc(sizeof(*port), GFP_KERNEL); > if (!port) > return; > - kref_init(&port->kref); > + kref_init(&port->topology_kref); > + kref_init(&port->malloc_kref); > port->parent = mstb; > p...

...> > } > > > @@ -1147,17 +1381,26 @@ static void drm_dp_add_port(struct > > > drm_dp_mst_branch *mstb, > > > bool created = false; > > > int old_pdt = 0; > > > int old_ddps = 0; > > > + > > > port = drm_dp_get_port(mstb, port_msg->port_number); > > > if (!port) { > > > port = kzalloc(sizeof(*port), GFP_KERNEL); > > > if (!port) > > > return; > > > - kref_init(&port->kref); > > > + kref_init(&port->topology_kref); > > > + kref_init...

...> > send_link = true; > > } > > @@ -1147,17 +1381,26 @@ static void drm_dp_add_port(struct > > drm_dp_mst_branch *mstb, > > bool created = false; > > int old_pdt = 0; > > int old_ddps = 0; > > + > > port = drm_dp_get_port(mstb, port_msg->port_number); > > if (!port) { > > port = kzalloc(sizeof(*port), GFP_KERNEL); > > if (!port) > > return; > > - kref_init(&port->kref); > > + kref_init(&port->topology_kref); > > + kref_init(&port->malloc_kref); > &...

This is the series I've been working on for a while now to get all of the atomic DRM drivers in the tree to use the atomic MST helpers, and to make the atomic MST helpers actually idempotent. Turns out it's a lot more difficult to do that without also fixing how port and branch device refcounting works so that it actually makes sense, since the current upstream implementation requires a

This is a WIP version of the series I've been working on for a while now to get all of the atomic DRM drivers in the tree to use the atomic MST helpers, and to make the atomic MST helpers actually idempotent. Turns out it's a lot more difficult to do that without also fixing how port and branch device refcounting works so that it actually makes sense, since the current upstream

This is the series I've been working on for a while now to get all of the atomic DRM drivers in the tree to use the atomic MST helpers, and to make the atomic MST helpers actually idempotent. Turns out it's a lot more difficult to do that without also fixing how port and branch device refcounting works so that it actually makes sense, since the current upstream implementation requires a

This is the series I've been working on for a while now to get all of the atomic DRM drivers in the tree to use the atomic MST helpers, and to make the atomic MST helpers actually idempotent. Turns out it's a lot more difficult to do that without also fixing how port and branch device refcounting works so that it actually makes sense, since the current upstream implementation requires a