search for: drm_dp_mst_handle_down_rep

...st_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 64487098158a..74161f442584 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3179,68 +3179,66 @@ static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) { - int ret = 0; + struct drm_dp_sideband_msg_tx *txmsg; + struct drm_dp_mst_branch *mstb; + struct drm_dp_sideband_msg_hdr *hdr = &mgr->down_rep_recv.initial_hdr; + int slot = -1; + + if (!drm_dp_get_one_sb_msg(mgr, false)) + goto clear_down_rep_recv;...

...; } @@ -2192,7 +2202,7 @@ 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 +2367,7 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) mgr->down_rep_recv.initial_hdr.lct, mgr->down_rep_recv.initial_hdr.rad[0], mgr->down_rep_recv.msg[0]); - drm_dp_put_mst_branch_device(mstb); + drm_dp_mst_topology_put_mstb(mstb); memset(&mgr->down_rep_recv...

...e changed, 38 insertions(+), 37 deletions(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index b44d3696c09a..64487098158a 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3246,68 +3246,69 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) { struct drm_dp_sideband_msg_req_body msg; + struct drm_dp_sideband_msg_hdr *hdr = &mgr->up_req_recv.initial_hdr; struct drm_dp_mst_branch *mstb = NULL; + const u8 *guid; boo...

...ile changed, 45 insertions(+), 45 deletions(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 241c66f75bed..43452872efad 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3245,7 +3245,9 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) { - int ret = 0; + struct drm_dp_sideband_msg_req_body msg; + struct drm_dp_mst_branch *mstb = NULL; + bool seqno; if (!drm_dp_get_one_sb_msg(mgr, true)) { memset(&mgr->up...

...pology_mgr *mgr) drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, DP_MST_EN | DP_UPSTREAM_IS_SRC); mutex_unlock(&mgr->lock); + flush_work(&mgr->up_req_work); flush_work(&mgr->work); flush_work(&mgr->delayed_destroy_work); } @@ -3281,12 +3288,70 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) return 0; } +static inline void +drm_dp_mst_process_up_req(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_pending_up_req *up_req) +{ + struct drm_dp_mst_branch *mstb = NULL; + struct drm_dp_sideband_msg_req_body *msg = &up_req->msg; + struc...

...pology_mgr *mgr) drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, DP_MST_EN | DP_UPSTREAM_IS_SRC); mutex_unlock(&mgr->lock); + flush_work(&mgr->up_req_work); flush_work(&mgr->work); flush_work(&mgr->delayed_destroy_work); } @@ -3263,12 +3270,70 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) return 0; } +static inline void +drm_dp_mst_process_up_req(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_pending_up_req *up_req) +{ + struct drm_dp_mst_branch *mstb = NULL; + struct drm_dp_sideband_msg_req_body *msg = &up_req->msg; + struc...

..._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 +2625,7 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) mgr->down_rep_recv.initial_hdr.lct, mgr->down_rep_recv.initial_hdr.rad[0], mgr->down_rep_recv.msg[0]); - drm_dp_put_mst_branch_device(mstb); + drm_dp_mst_topology_put_mstb(mstb); memset(&mgr->down_rep_recv...

...st 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 drm_dp_send_link_address() a bit drm/dp_mst: Refactor pdt setup/teardown, add more locking drm/dp_mst: Rename drm_dp_add_port and drm_dp_update_port drm/dp_mst: Remove lies in {up,down}_rep_recv documentation drm/dp_mst: Han...

...opology_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 +2625,7 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) > mgr->down_rep_recv.initial_hdr.lct, > mgr->down_rep_recv.initial_hdr.rad[0], > mgr->down_rep_recv.msg[0]); > - drm_dp_put_mst_branch_device(mstb); > + drm_dp_mst_topology_put_mstb(mstb); > mem...

...k: > > > mutex_unlock(&mgr->lock); > > > if (mstb) > > > - drm_dp_put_mst_branch_device(mstb); > > > + drm_dp_mst_topology_put_mstb(mstb); > > > return ret; > > > > > > } > > > @@ -2357,7 +2625,7 @@ static int drm_dp_mst_handle_down_rep(struct > > > drm_dp_mst_topology_mgr *mgr) > > > mgr->down_rep_recv.initial_hdr.lct, > > > mgr->down_rep_recv.initial_hdr.rad[0], > > > mgr->down_rep_recv.msg[0]); > > > - drm_dp_put_mst_branch_device(mstb); &g...

...y_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 +2625,7 @@ static int drm_dp_mst_handle_down_rep(struct > > drm_dp_mst_topology_mgr *mgr) > > mgr->down_rep_recv.initial_hdr.lct, > > mgr->down_rep_recv.initial_hdr.rad[0], > > mgr->down_rep_recv.msg[0]); > > - drm_dp_put_mst_branch_device(mstb); > > + drm_dp_mst_to...

...p_send_link_address(struct drm_dp_mst_topology_mgr *mgr, drm_dp_mst_handle_link_address_port(mstb, mgr->dev, &reply->ports[i]); - drm_kms_helper_hotplug_event(mgr->dev); - out: if (ret <= 0) mstb->link_address_sent = false; @@ -3274,13 +3343,14 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) return 0; } -static inline void +static inline bool drm_dp_mst_process_up_req(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_pending_up_req *up_req) { struct drm_dp_mst_branch *mstb = NULL; struct drm_dp_sideband_msg_req_body *msg = &up_...

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

...wn 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 drm_dp_send_link_address() a bit drm/dp_mst: Refactor pdt setup/teardown, add more locking drm/dp_mst: Rename drm_dp_add_port and drm_dp_update_port drm/dp_mst: Remove lies in {up,down}_rep_recv documentation drm/dp_mst: Han...

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

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

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