Displaying 20 results from an estimated 51 matches for "port_num".
2015 Dec 04
0
[PATCH 1/6] x86: Add VMWare Host Communication Macros
...on channel. Should never
+ * execute on bare metal hardware. The caller must make sure to check for
+ * supported hypervisor before using these macros.
+ *
+ * The last two parameters are both input and output and must be initialized.
+ *
+ * @cmd: [IN] Message Cmd
+ * @in1: [IN] Message Len
+ * @port_num: [IN] port number + [channel id]
+ * @magic: [IN] hypervisor magic value
+ * @eax: [OUT] value of EAX register
+ * @ebx: [OUT] e.g. status from an HB message status command
+ * @ecx: [OUT] e.g. status from a non-HB message status command
+ * @edx: [OUT] e.g. channel id
+ * @si: [INOUT] set to 0 if...
2015 Dec 04
0
[PATCH 1/6] x86: Add VMWare Host Communication Macros
...on channel. Should never
+ * execute on bare metal hardware. The caller must make sure to check for
+ * supported hypervisor before using these macros.
+ *
+ * The last two parameters are both input and output and must be initialized.
+ *
+ * @cmd: [IN] Message Cmd
+ * @in1: [IN] Message Len
+ * @port_num: [IN] port number + [channel id]
+ * @magic: [IN] hypervisor magic value
+ * @eax: [OUT] value of EAX register
+ * @ebx: [OUT] e.g. status from an HB message status command
+ * @ecx: [OUT] e.g. status from a non-HB message status command
+ * @edx: [OUT] e.g. channel id
+ * @si: [INOUT] set to 0 if...
2016 Jan 19
0
[PATCH 1/6] x86: Add VMWare Host Communication Macros
...macros.
+ *
+ * The last two parameters are both input and output and must be initialized.
+ *
+ * @cmd: [IN] Message Cmd
+ * @in_ebx: [IN] Message Len, through EBX
+ * @in_si: [IN] Input argument through SI, set to 0 if not used
+ * @in_di: [IN] Input argument through DI, set ot 0 if not used
+ * @port_num: [IN] port number + [channel id]
+ * @magic: [IN] hypervisor magic value
+ * @eax: [OUT] value of EAX register
+ * @ebx: [OUT] e.g. status from an HB message status command
+ * @ecx: [OUT] e.g. status from a non-HB message status command
+ * @edx: [OUT] e.g. channel id
+ * @si: [OUT]
+ * @di: [OU...
2016 Jan 19
0
[PATCH 1/6] x86: Add VMWare Host Communication Macros
...macros.
+ *
+ * The last two parameters are both input and output and must be initialized.
+ *
+ * @cmd: [IN] Message Cmd
+ * @in_ebx: [IN] Message Len, through EBX
+ * @in_si: [IN] Input argument through SI, set to 0 if not used
+ * @in_di: [IN] Input argument through DI, set ot 0 if not used
+ * @port_num: [IN] port number + [channel id]
+ * @magic: [IN] hypervisor magic value
+ * @eax: [OUT] value of EAX register
+ * @ebx: [OUT] e.g. status from an HB message status command
+ * @ecx: [OUT] e.g. status from a non-HB message status command
+ * @edx: [OUT] e.g. channel id
+ * @si: [OUT]
+ * @di: [OU...
2018 Dec 20
0
[PATCH v2 03/16] drm/dp_mst: Restart last_connected_port_and_mstb() if topology ref fails
...get_last_connected_port_to_mstb(struct drm
return drm_dp_get_last_connected_port_to_mstb(mstb->port_parent->parent);
}
-static struct drm_dp_mst_branch *drm_dp_get_last_connected_port_and_mstb(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_branch *mstb,
- int *port_num)
+/**
+ * drm_dp_get_last_connected_port_and_mstb() - Find the last living relatives
+ * in a topology of a given branch device
+ * @mgr: The topology manager to use
+ * @mstb: The disconnected branch device
+ * @port_num: Where to store the number of the last connected port
+ *
+ * Searches upward...
2019 Jan 09
0
[PATCH v5 07/20] drm/dp_mst: Restart last_connected_port_and_mstb() if topology ref fails
...get_last_connected_port_to_mstb(struct drm
return drm_dp_get_last_connected_port_to_mstb(mstb->port_parent->parent);
}
-static struct drm_dp_mst_branch *drm_dp_get_last_connected_port_and_mstb(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_branch *mstb,
- int *port_num)
+/**
+ * drm_dp_get_last_connected_port_and_mstb() - Find the last living relatives
+ * in a topology of a given branch device
+ * @mgr: The topology manager to use
+ * @mstb: The disconnected branch device
+ * @port_num: Where to store the number of the last connected port
+ *
+ * Searches upward...
2015 Dec 01
11
[PATCH 1/6] x86: Add VMWare Host Communication Macros
...are metal hardware. The caller must make sure to check for
+ * supported hypervisor before using these macros.
+ *
+ * Several of the parameters are both input and output and must be initialized.
+ *
+ * @in1: [IN] Message Len or Message Cmd (HB)
+ * @in2: [IN] Message Len (HB) or Message Cmd
+ * @port_num: [IN] port number + [channel id]
+ * @magic: [IN] hypervisor magic value
+ * @eax: [OUT] value of EAX register
+ * @ebx: [OUT] e.g. status from an HB message status command
+ * @ecx: [OUT] e.g. status from a non-HB message status command
+ * @edx: [OUT] e.g. channel id
+ * @si: [INOUT] set to 0 if...
2015 Dec 01
11
[PATCH 1/6] x86: Add VMWare Host Communication Macros
...are metal hardware. The caller must make sure to check for
+ * supported hypervisor before using these macros.
+ *
+ * Several of the parameters are both input and output and must be initialized.
+ *
+ * @in1: [IN] Message Len or Message Cmd (HB)
+ * @in2: [IN] Message Len (HB) or Message Cmd
+ * @port_num: [IN] port number + [channel id]
+ * @magic: [IN] hypervisor magic value
+ * @eax: [OUT] value of EAX register
+ * @ebx: [OUT] e.g. status from an HB message status command
+ * @ecx: [OUT] e.g. status from a non-HB message status command
+ * @edx: [OUT] e.g. channel id
+ * @si: [INOUT] set to 0 if...
2019 Sep 25
1
[PATCH v2 20/27] drm/dp_mst: Protect drm_dp_mst_port members with connection_mutex
...);
>
> +static void
> +drm_dp_mst_port_add_connector(struct drm_dp_mst_branch *mstb,
> + struct drm_dp_mst_port *port)
> +{
> + struct drm_dp_mst_topology_mgr *mgr = port->mgr;
> + char proppath[255];
> + int ret;
> +
> + build_mst_prop_path(mstb, port->port_num, proppath, sizeof(proppath));
> + port->connector = mgr->cbs->add_connector(mgr, port, proppath);
> + if (!port->connector) {
> + ret = -ENOMEM;
> + goto error;
> + }
> +
> + if ((port->pdt == DP_PEER_DEVICE_DP_LEGACY_CONV ||
> + port->pdt == DP_PEER...
2019 Jan 05
0
[PATCH v4 02/16] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...drm_dp_mst_topology_try_get_port(rport))
+ rport = NULL;
+ }
mutex_unlock(&mgr->lock);
return rport;
}
@@ -1042,11 +1356,12 @@ drm_dp_mst_topology_get_port_validated(struct drm_dp_mst_topology_mgr *mgr,
static struct drm_dp_mst_port *drm_dp_get_port(struct drm_dp_mst_branch *mstb, u8 port_num)
{
struct drm_dp_mst_port *port;
+ int ret;
list_for_each_entry(port, &mstb->ports, next) {
if (port->port_num == port_num) {
- kref_get(&port->kref);
- return port;
+ ret = drm_dp_mst_topology_try_get_port(port);
+ return ret ? port : NULL;
}
}
@@ -1095,6...
2019 Sep 03
0
[PATCH v2 20/27] drm/dp_mst: Protect drm_dp_mst_port members with connection_mutex
...XPORT_SYMBOL(drm_dp_mst_connector_early_unregister);
+static void
+drm_dp_mst_port_add_connector(struct drm_dp_mst_branch *mstb,
+ struct drm_dp_mst_port *port)
+{
+ struct drm_dp_mst_topology_mgr *mgr = port->mgr;
+ char proppath[255];
+ int ret;
+
+ build_mst_prop_path(mstb, port->port_num, proppath, sizeof(proppath));
+ port->connector = mgr->cbs->add_connector(mgr, port, proppath);
+ if (!port->connector) {
+ ret = -ENOMEM;
+ goto error;
+ }
+
+ if ((port->pdt == DP_PEER_DEVICE_DP_LEGACY_CONV ||
+ port->pdt == DP_PEER_DEVICE_SST_SINK) &&
+ port-...
2018 Dec 14
1
[WIP PATCH 05/15] drm/dp_mst: Fix payload deallocation on hotplugs using malloc refs
...p_mst_topology.c
> @@ -1989,10 +1989,6 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
> u8 sinks[DRM_DP_MAX_SDP_STREAMS];
> int i;
>
> - port = drm_dp_mst_topology_get_port_validated(mgr, port);
> - if (!port)
> - return -EINVAL;
> -
> port_num = port->port_num;
> mstb = drm_dp_mst_topology_get_mstb_validated(mgr, port->parent);
> if (!mstb) {
> @@ -2000,10 +1996,8 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
> port->parent,
> &port_num);
>
&g...
2018 Dec 14
0
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...rm_dp_mst_topology_get_port(rport))
+ rport = NULL;
+ }
mutex_unlock(&mgr->lock);
return rport;
}
@@ -1034,11 +1262,12 @@ static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_t
static struct drm_dp_mst_port *drm_dp_get_port(struct drm_dp_mst_branch *mstb, u8 port_num)
{
struct drm_dp_mst_port *port;
+ int ret;
list_for_each_entry(port, &mstb->ports, next) {
if (port->port_num == port_num) {
- kref_get(&port->kref);
- return port;
+ ret = drm_dp_mst_topology_get_port(port);
+ return ret ? port : NULL;
}
}
@@ -1087,6 +131...
2018 Dec 14
2
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...> + rport = NULL;
> + }
> mutex_unlock(&mgr->lock);
> return rport;
> }
> @@ -1034,11 +1262,12 @@ static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_t
> static struct drm_dp_mst_port *drm_dp_get_port(struct drm_dp_mst_branch *mstb, u8 port_num)
> {
> struct drm_dp_mst_port *port;
> + int ret;
>
> list_for_each_entry(port, &mstb->ports, next) {
> if (port->port_num == port_num) {
> - kref_get(&port->kref);
> - return port;
> + ret = drm_dp_mst_topology_get_port(port);
> + re...
2018 Dec 20
22
[PATCH v2 00/16] MST refcounting/atomic helpers cleanup
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
2018 Dec 18
0
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...mutex_unlock(&mgr->lock);
> > return rport;
> > }
> > @@ -1034,11 +1262,12 @@ static struct drm_dp_mst_port
> > *drm_dp_get_validated_port_ref(struct drm_dp_mst_t
> > static struct drm_dp_mst_port *drm_dp_get_port(struct drm_dp_mst_branch
> > *mstb, u8 port_num)
> > {
> > struct drm_dp_mst_port *port;
> > + int ret;
> >
> > list_for_each_entry(port, &mstb->ports, next) {
> > if (port->port_num == port_num) {
> > - kref_get(&port->kref);
> > - return port;
> > + ret = dr...
2018 Dec 19
1
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...);
> > > return rport;
> > > }
> > > @@ -1034,11 +1262,12 @@ static struct drm_dp_mst_port
> > > *drm_dp_get_validated_port_ref(struct drm_dp_mst_t
> > > static struct drm_dp_mst_port *drm_dp_get_port(struct drm_dp_mst_branch
> > > *mstb, u8 port_num)
> > > {
> > > struct drm_dp_mst_port *port;
> > > + int ret;
> > >
> > > list_for_each_entry(port, &mstb->ports, next) {
> > > if (port->port_num == port_num) {
> > > - kref_get(&port->kref);
> > >...
2019 Jan 05
19
[PATCH v4 00/16] MST refcounting/atomic helpers cleanup
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
2018 Dec 14
0
[WIP PATCH 05/15] drm/dp_mst: Fix payload deallocation on hotplugs using malloc refs
...dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1989,10 +1989,6 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
u8 sinks[DRM_DP_MAX_SDP_STREAMS];
int i;
- port = drm_dp_mst_topology_get_port_validated(mgr, port);
- if (!port)
- return -EINVAL;
-
port_num = port->port_num;
mstb = drm_dp_mst_topology_get_mstb_validated(mgr, port->parent);
if (!mstb) {
@@ -2000,10 +1996,8 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
port->parent,
&port_num);
- if (!mstb) {
- drm_dp_mst_t...
2019 Jan 03
16
[PATCH v3 00/16] MST refcounting/atomic helpers cleanup
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