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drm/amd/display: Unlock on error path in dm_handle_mst_sideband_msg_ready_event()

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[ Upstream commit 38ac4e8385ffb275b1837986ca6c16f26ea028c5 ]

This error path needs to unlock the "aconnector->handle_mst_msg_ready"
mutex before returning.

Fixes: 4f6d9e38c4d2 ("drm/amd/display: Add polling method to handle MST reply packet")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2023-07-21 17:55:49 +03:00 committed by Greg Kroah-Hartman
parent 5c58d120bf
commit e139cc2974
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
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@ -677,7 +677,7 @@ void dm_handle_mst_sideband_msg_ready_event(
if (retry == 3) {
DRM_ERROR("Failed to ack MST event.\n");
return;
break;
}
drm_dp_mst_hpd_irq_send_new_request(&aconnector->mst_mgr);