Patch "drm/dp/mst: save vcpi with payloads" has been added to the 4.4-stable tree

Patch "drm/dp/mst: save vcpi with payloads" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/dp/mst: save vcpi with payloads

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-dp-mst-save-vcpi-with-payloads.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 6cecdf7a161d2b909dc7c8979176bbc4f0669968 Mon Sep 17 00:00:00 2001
From: Harry Wentland <harry.wentland@amd.com>
Date: Mon, 7 Dec 2015 13:55:52 -0500
Subject: drm/dp/mst: save vcpi with payloads

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]);


Patches currently in stable-queue which might be from harry.wentland@amd.com are

queue-4.4/drm-dp-mst-save-vcpi-with-payloads.patch