Displaying 19 results from an estimated 19 matches for "dp_up_req_en".
2019 Oct 22
0
[PATCH v5 08/14] drm/dp_mst: Lessen indenting in drm_dp_mst_topology_mgr_resume()
...d(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE);
- if (sret != DP_RECEIVER_CAP_SIZE) {
- DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
- ret = -1;
- goto out_unlock;
- }
+ ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
+ DP_MST_EN |
+ DP_UP_REQ_EN |
+ DP_UPSTREAM_IS_SRC);
+ if (ret < 0) {
+ DRM_DEBUG_KMS("mst write failed - undocked during suspend?\n");
+ goto out_fail;
+ }
- ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
- DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);
- if (ret < 0) {
- DRM_DEBUG_KMS(...
2019 Sep 27
1
[PATCH v2 25/27] drm/dp_mst: Add basic topology reprobing when resuming
..., DP_RECEIVER_CAP_SIZE);
> - if (sret != DP_RECEIVER_CAP_SIZE) {
> - DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
> - ret = -1;
> - goto out_unlock;
> - }
> + ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
> + DP_MST_EN |
> + DP_UP_REQ_EN |
> + DP_UPSTREAM_IS_SRC);
> + if (ret < 0) {
> + DRM_DEBUG_KMS("mst write failed - undocked during suspend?\n");
> + goto out_fail;
> + }
>
> - ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
> - DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);...
2019 Sep 03
0
[PATCH v2 25/27] drm/dp_mst: Add basic topology reprobing when resuming
...d(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE);
- if (sret != DP_RECEIVER_CAP_SIZE) {
- DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
- ret = -1;
- goto out_unlock;
- }
+ ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
+ DP_MST_EN |
+ DP_UP_REQ_EN |
+ DP_UPSTREAM_IS_SRC);
+ if (ret < 0) {
+ DRM_DEBUG_KMS("mst write failed - undocked during suspend?\n");
+ goto out_fail;
+ }
- ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
- DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);
- if (ret < 0) {
- DRM_DEBUG_KMS(...
2019 Jul 18
2
[PATCH 00/26] 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 Jan 09
0
[PATCH v5 06/20] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
/* give this the main reference */
mgr->mst_primary = mstb;
- kref_get(&mgr->mst_primary->kref);
+ drm_dp_mst_topology_get_mstb(mgr->mst_primary);
ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);
@@ -3096,13 +3435,6 @@ static void drm_dp_tx_work(struct work_struct *work)
mutex_unlock(&mgr->qlock);
}
-static void drm_dp_free_mst_port(struct kref *kref)
-{
- struct drm_dp_mst_port *port = container_of(kref, struct drm_dp_mst_port, kref);
- kref_put(&port...
2019 Jan 05
0
[PATCH v4 02/16] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
/* give this the main reference */
mgr->mst_primary = mstb;
- kref_get(&mgr->mst_primary->kref);
+ drm_dp_mst_topology_get_mstb(mgr->mst_primary);
ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);
@@ -2743,11 +3088,11 @@ bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
ret = drm_dp_init_vcpi(mgr, &port->vcpi, pbn, slots);
if (ret) {
DRM_DEBUG_KMS("failed to init vcpi slots=%d max=63 ret=%d\n",
- DIV_ROUND_UP(pbn, mgr->pbn...
2018 Dec 14
0
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
/* give this the main reference */
mgr->mst_primary = mstb;
- kref_get(&mgr->mst_primary->kref);
+ drm_dp_mst_topology_ref_mstb(mgr->mst_primary);
ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);
@@ -2192,7 +2460,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
out_unlock:
mutex_unlock(&mgr->lock);
if (mstb)
- drm_dp_put_mst_branch_device(mstb);
+ drm_dp_mst_topology_put_mstb(mstb);
return ret;
}
@@ -2357,7 +2625...
2018 Dec 14
2
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...bool ms
>
> /* give this the main reference */
> mgr->mst_primary = mstb;
> - kref_get(&mgr->mst_primary->kref);
> + drm_dp_mst_topology_ref_mstb(mgr->mst_primary);
>
> ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
> DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);
> @@ -2192,7 +2460,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
> out_unlock:
> mutex_unlock(&mgr->lock);
> if (mstb)
> - drm_dp_put_mst_branch_device(mstb);
> + drm_dp_mst_topology_put_mstb(mstb);
>...
2018 Dec 19
1
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...mgr->mst_primary = mstb;
> > > - kref_get(&mgr->mst_primary->kref);
> > > + drm_dp_mst_topology_ref_mstb(mgr->mst_primary);
> > >
> > > ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
> > > DP_MST_EN |
> > > DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);
> > > @@ -2192,7 +2460,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct
> > > drm_dp_mst_topology_mgr *mgr, bool ms
> > > out_unlock:
> > > mutex_unlock(&mgr->lock);
> > > if (mstb)
> > > - drm_dp_put_mst_branc...
2018 Dec 18
0
[WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports
...main reference */
> > mgr->mst_primary = mstb;
> > - kref_get(&mgr->mst_primary->kref);
> > + drm_dp_mst_topology_ref_mstb(mgr->mst_primary);
> >
> > ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL,
> > DP_MST_EN |
> > DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC);
> > @@ -2192,7 +2460,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct
> > drm_dp_mst_topology_mgr *mgr, bool ms
> > out_unlock:
> > mutex_unlock(&mgr->lock);
> > if (mstb)
> > - drm_dp_put_mst_branch_device(mstb);
> > + d...
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 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
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
2018 Dec 14
22
[WIP PATCH 00/15] MST refcounting/atomic helpers cleanup
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
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
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
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 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