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drm/dp/mst: always send reply for UP request

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We should always send reply for UP request in order
to make downstream device clean-up resources appropriately.

Issue was that reply for UP request was sent only once.

Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Mykola Lysenko <Mykola.Lysenko@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Mykola Lysenko
2015-12-18 17:14:43 -05:00
committed by Alex Deucher
parent bd93432087
commit 1f16ee7fa1
2 changed files with 11 additions and 21 deletions
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2
include/drm/drm_dp_mst_helper.h
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@@ -451,9 +451,7 @@ struct drm_dp_mst_topology_mgr {
the mstb tx_slots and txmsg->state once they are queued */
struct mutex qlock;
struct list_head tx_msg_downq;
struct list_head tx_msg_upq;
bool tx_down_in_progress;
bool tx_up_in_progress;
/* payload info + lock for it */
struct mutex payload_lock;