From e139cc2974b801f3f6e38efa047a7e3b7121fc8d Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 21 Jul 2023 17:55:49 +0300 Subject: [PATCH] drm/amd/display: Unlock on error path in dm_handle_mst_sideband_msg_ready_event() [ 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 Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 0570868..d07e105 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -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); -- 2.7.4