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drm/dp/mst: save vcpi with payloads

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commit 6cecdf7a16 upstream.

This makes it possibly for drivers to find the associated
mst_port by looking at the payload allocation table.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449514552-10236-3-git-send-email-harry.wentland@amd.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Kai Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Harry Wentland 2015-12-07 13:55:52 -05:00 committed by Greg Kroah-Hartman
parent 951ba9f6c8
commit c088f7bc33
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/drm_dp_mst_topology.c
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@ -1802,6 +1802,7 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
return -EINVAL;
}
req_payload.num_slots = mgr->proposed_vcpis[i]->num_slots;
req_payload.vcpi = mgr->proposed_vcpis[i]->vcpi;
} else {
port = NULL;
req_payload.num_slots = 0;
@ -1817,6 +1818,7 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
if (req_payload.num_slots) {
drm_dp_create_payload_step1(mgr, mgr->proposed_vcpis[i]->vcpi, &req_payload);
mgr->payloads[i].num_slots = req_payload.num_slots;
mgr->payloads[i].vcpi = req_payload.vcpi;
} else if (mgr->payloads[i].num_slots) {
mgr->payloads[i].num_slots = 0;
drm_dp_destroy_payload_step1(mgr, port, mgr->payloads[i].vcpi, &mgr->payloads[i]);