Displaying 20 results from an estimated 24 matches for "drm_dp_send_enum_path_resourc".
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drm_dp_send_enum_path_resources
2019 Sep 03
0
[PATCH v2 09/27] drm/dp_mst: Refactor drm_dp_send_enum_path_resources
...b/drivers/gpu/drm/drm_dp_mst_topology.c
index af3189df28aa..241c66f75bed 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -2437,12 +2437,14 @@ static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
kfree(txmsg);
}
-static int drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_branch *mstb,
- struct drm_dp_mst_port *port)
+static int
+drm_dp_send_enum_path_resources(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_branch *mstb,
+ struct drm_dp_mst_port *port)
{
- int len;
+ struct drm...
2019 Sep 25
2
[PATCH v2 16/27] drm/dp_mst: Refactor pdt setup/teardown, add more locking
...pology_get_port(port);
> list_add(&port->next, &mstb->ports);
> - mutex_unlock(&mstb->mgr->lock);
> + mutex_unlock(&mgr->lock);
> }
>
> if (old_ddps != port->ddps) {
> if (port->ddps) {
> if (!port->input) {
> - drm_dp_send_enum_path_resources(mstb->mgr,
> - mstb, port);
> + drm_dp_send_enum_path_resources(mgr, mstb,
> + port);
> }
> } else {
> port->available_pbn = 0;
> }
> }
>
> - if (old_pdt != port->pdt && !port->input) {
> - drm_dp_port_teardo...
2019 Oct 22
0
[PATCH v5 03/14] drm/dp_mst: Refactor pdt setup/teardown, add more locking
...tex_lock(&mgr->lock);
drm_dp_mst_topology_get_port(port);
list_add(&port->next, &mstb->ports);
- mutex_unlock(&mstb->mgr->lock);
+ mutex_unlock(&mgr->lock);
}
if (old_ddps != port->ddps) {
if (port->ddps) {
if (!port->input) {
- drm_dp_send_enum_path_resources(mstb->mgr,
- mstb, port);
+ drm_dp_send_enum_path_resources(mgr, mstb,
+ port);
}
} else {
port->available_pbn = 0;
}
}
- if (old_pdt != port->pdt && !port->input) {
- drm_dp_port_teardown_pdt(port, old_pdt);
-
- ret = drm_dp_port_setup_pdt...
2019 Sep 03
0
[PATCH v2 16/27] drm/dp_mst: Refactor pdt setup/teardown, add more locking
...tex_lock(&mgr->lock);
drm_dp_mst_topology_get_port(port);
list_add(&port->next, &mstb->ports);
- mutex_unlock(&mstb->mgr->lock);
+ mutex_unlock(&mgr->lock);
}
if (old_ddps != port->ddps) {
if (port->ddps) {
if (!port->input) {
- drm_dp_send_enum_path_resources(mstb->mgr,
- mstb, port);
+ drm_dp_send_enum_path_resources(mgr, mstb,
+ port);
}
} else {
port->available_pbn = 0;
}
}
- if (old_pdt != port->pdt && !port->input) {
- drm_dp_port_teardown_pdt(port, old_pdt);
-
- ret = drm_dp_port_setup_pdt...
2019 Sep 25
0
[PATCH v2 16/27] drm/dp_mst: Refactor pdt setup/teardown, add more locking
...&port->next, &mstb->ports);
> > - mutex_unlock(&mstb->mgr->lock);
> > + mutex_unlock(&mgr->lock);
> > }
> >
> > if (old_ddps != port->ddps) {
> > if (port->ddps) {
> > if (!port->input) {
> > - drm_dp_send_enum_path_resources(mstb->mgr,
> > - mstb, port);
> > + drm_dp_send_enum_path_resources(mgr, mstb,
> > + port);
> > }
> > } else {
> > port->available_pbn = 0;
> > }
> > }
> >
> > - if (old_pdt != port->pdt &&...
2019 Sep 25
1
[PATCH v2 20/27] drm/dp_mst: Protect drm_dp_mst_port members with connection_mutex
...modeset_lock(&dev->mode_config.connection_mutex, NULL);
>
> - if (!port->ddps)
> + if (port->input || !port->ddps) {
> + drm_modeset_unlock(&dev->mode_config.connection_mutex);
> continue;
> + }
>
> if (!port->available_pbn)
> drm_dp_send_enum_path_resources(mgr, mstb, port);
>
> - if (port->mstb) {
> + if (port->mstb)
> mstb_child = drm_dp_mst_topology_get_mstb_validated(
> mgr, port->mstb);
> - if (mstb_child) {
> - drm_dp_check_and_send_link_address(mgr, mstb_child);
> - drm_dp_mst_topology_...
2019 Oct 22
0
[PATCH v5 05/14] drm/dp_mst: Add probe_lock
...drm_dp_send_link_address(mgr, mstb);
list_for_each_entry(port, &mstb->ports, next) {
- if (port->input)
- continue;
+ struct drm_dp_mst_branch *mstb_child = NULL;
- if (!port->ddps)
+ if (port->input || !port->ddps)
continue;
if (!port->available_pbn)
drm_dp_send_enum_path_resources(mgr, mstb, port);
- if (port->mstb) {
+ if (port->mstb)
mstb_child = drm_dp_mst_topology_get_mstb_validated(
mgr, port->mstb);
- if (mstb_child) {
- drm_dp_check_and_send_link_address(mgr, mstb_child);
- drm_dp_mst_topology_put_mstb(mstb_child);
- }
+
+ if (mst...
2019 Sep 03
0
[PATCH v2 20/27] drm/dp_mst: Protect drm_dp_mst_port members with connection_mutex
...m_dp_mst_branch *mstb_child = NULL;
+
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
- if (!port->ddps)
+ if (port->input || !port->ddps) {
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
continue;
+ }
if (!port->available_pbn)
drm_dp_send_enum_path_resources(mgr, mstb, port);
- if (port->mstb) {
+ if (port->mstb)
mstb_child = drm_dp_mst_topology_get_mstb_validated(
mgr, port->mstb);
- if (mstb_child) {
- drm_dp_check_and_send_link_address(mgr, mstb_child);
- drm_dp_mst_topology_put_mstb(mstb_child);
- }
+
+ drm_mod...
2018 Dec 20
0
[PATCH v2 01/16] drm/dp_mst: Rename drm_dp_mst_get_validated_(port|mstb)_ref and friends
...ct drm_dp_mst_branch *mstb,
dowork = true;
}
- drm_dp_put_port(port);
+ drm_dp_mst_topology_put_port(port);
if (dowork)
queue_work(system_long_wq, &mstb->mgr->work);
@@ -1362,10 +1370,11 @@ static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *m
drm_dp_send_enum_path_resources(mgr, mstb, port);
if (port->mstb) {
- mstb_child = drm_dp_get_validated_mstb_ref(mgr, port->mstb);
+ mstb_child = drm_dp_mst_topology_get_mstb_validated(
+ mgr, port->mstb);
if (mstb_child) {
drm_dp_check_and_send_link_address(mgr, mstb_child);
- drm_dp_put_mst...
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 Jul 18
2
[PATCH 00/26] DP MST Refactors + debugging tools + suspend/resume reprobing
...est_calc_pbn_mode() into an actual selftest
drm/print: Add drm_err_printer()
drm/dp_mst: Add sideband down request tracing + selftests
drm/dp_mst: Move PDT teardown for ports into destroy_connector_work
drm/dp_mst: Get rid of list clear in drm_dp_finish_destroy_port()
drm/dp_mst: Refactor drm_dp_send_enum_path_resources
drm/dp_mst: Remove huge conditional in drm_dp_mst_handle_up_req()
drm/dp_mst: Constify guid in drm_dp_get_mst_branch_by_guid()
drm/dp_mst: Refactor drm_dp_mst_handle_up_req()
drm/dp_mst: Refactor drm_dp_mst_handle_down_rep()
drm/dp_mst: Destroy topology_mgr mutexes
drm/dp_mst: Cleanup...
2019 Sep 03
50
[PATCH v2 00/27] DP MST Refactors + debugging tools + suspend/resume reprobing
...calc_pbn_mode() into an actual selftest
drm/print: Add drm_err_printer()
drm/dp_mst: Combine redundant cases in drm_dp_encode_sideband_req()
drm/dp_mst: Add sideband down request tracing + selftests
drm/dp_mst: Remove PDT teardown in drm_dp_destroy_port() and refactor
drm/dp_mst: Refactor drm_dp_send_enum_path_resources
drm/dp_mst: Remove huge conditional in drm_dp_mst_handle_up_req()
drm/dp_mst: Constify guid in drm_dp_get_mst_branch_by_guid()
drm/dp_mst: Refactor drm_dp_mst_handle_up_req()
drm/dp_mst: Refactor drm_dp_mst_handle_down_rep()
drm/dp_mst: Destroy topology_mgr mutexes
drm/dp_mst: Cleanup...
2019 Oct 22
0
[PATCH v5 06/14] drm/dp_mst: Protect drm_dp_mst_port members with locking
...pology_mgr *mgr,
@@ -2157,8 +2220,11 @@ static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *m
if (port->input || !port->ddps)
continue;
- if (!port->available_pbn)
+ if (!port->available_pbn) {
+ drm_modeset_lock(&mgr->base.lock, NULL);
drm_dp_send_enum_path_resources(mgr, mstb, port);
+ drm_modeset_unlock(&mgr->base.lock);
+ }
if (port->mstb)
mstb_child = drm_dp_mst_topology_get_mstb_validated(
@@ -2189,11 +2255,16 @@ static void drm_dp_mst_link_probe_work(struct work_struct *work)
mstb = NULL;
}
mutex_unlock(&mgr->lock);...
2019 Jan 11
20
[PATCH v7 00/20] 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
2019 Jan 10
21
[PATCH v6 00/20] 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 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...- if (mstb)
- kref_get(&mstb->kref);
+ if (mstb) {
+ ret = drm_dp_mst_topology_get_mstb(mstb);
+ if (!ret)
+ mstb = NULL;
+ }
mutex_unlock(&mgr->lock);
return mstb;
@@ -1362,10 +1614,10 @@ static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *m
drm_dp_send_enum_path_resources(mgr, mstb, port);
if (port->mstb) {
- mstb_child = drm_dp_get_validated_mstb_ref(mgr, port->mstb);
+ mstb_child = drm_dp_mst_topology_get_mstb_validated(mgr, port->mstb);
if (mstb_child) {
drm_dp_check_and_send_link_address(mgr, mstb_child);
- drm_dp_put_mst_branch_d...
2018 Dec 14
2
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...+ if (mstb) {
> + ret = drm_dp_mst_topology_get_mstb(mstb);
> + if (!ret)
> + mstb = NULL;
> + }
>
> mutex_unlock(&mgr->lock);
> return mstb;
> @@ -1362,10 +1614,10 @@ static void drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *m
> drm_dp_send_enum_path_resources(mgr, mstb, port);
>
> if (port->mstb) {
> - mstb_child = drm_dp_get_validated_mstb_ref(mgr, port->mstb);
> + mstb_child = drm_dp_mst_topology_get_mstb_validated(mgr, port->mstb);
> if (mstb_child) {
> drm_dp_check_and_send_link_address(mgr, mstb_child)...
2018 Dec 19
1
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...t; > > + mstb = NULL;
> > > + }
> > >
> > > mutex_unlock(&mgr->lock);
> > > return mstb;
> > > @@ -1362,10 +1614,10 @@ static void
> > > drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *m
> > > drm_dp_send_enum_path_resources(mgr, mstb, port);
> > >
> > > if (port->mstb) {
> > > - mstb_child = drm_dp_get_validated_mstb_ref(mgr, port-
> > > >mstb);
> > > + mstb_child =
> > > drm_dp_mst_topology_get_mstb_validated(mgr, port->mstb);
> > >...
2018 Dec 18
0
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...et_mstb(mstb);
> > + if (!ret)
> > + mstb = NULL;
> > + }
> >
> > mutex_unlock(&mgr->lock);
> > return mstb;
> > @@ -1362,10 +1614,10 @@ static void
> > drm_dp_check_and_send_link_address(struct drm_dp_mst_topology_mgr *m
> > drm_dp_send_enum_path_resources(mgr, mstb, port);
> >
> > if (port->mstb) {
> > - mstb_child = drm_dp_get_validated_mstb_ref(mgr, port-
> > >mstb);
> > + mstb_child =
> > drm_dp_mst_topology_get_mstb_validated(mgr, port->mstb);
> > if (mstb_child) {
> >...
2019 Jan 09
27
[PATCH v5 00/20] 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