| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 02/46] drm/dp/mst: save vcpi with payloads | Date | Thu, 19 Oct 2017 15:48:38 +0200 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Harry Wentland <harry.wentland@amd.com>
commit 6cecdf7a161d2b909dc7c8979176bbc4f0669968 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>
--- drivers/gpu/drm/drm_dp_mst_topology.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -1802,6 +1802,7 @@ int drm_dp_update_payload_part1(struct d 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 d 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]);
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