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drm/amd/display: Fix USB4 Aux via DMUB terminate unexpectedly

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[Why]
Condition variable sometimes terminated unexpectedly

[How]
Use wait_for_completion_timeout to avoid unexpected termination of CV

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jude Shih <shenshih@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jude Shih
2021-09-29 11:13:56 +08:00
committed by Alex Deucher
parent f6e03f80eb
commit 9e3a50d23e
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -11410,8 +11410,9 @@ int amdgpu_dm_process_dmub_aux_transfer_sync(bool is_cmd_aux, struct dc_context
(uint32_t *)operation_result);
}
ret = wait_for_completion_interruptible_timeout(&adev->dm.dmub_aux_transfer_done, 10*HZ);
ret = wait_for_completion_timeout(&adev->dm.dmub_aux_transfer_done, 10 * HZ);
if (ret == 0) {
DRM_ERROR("wait_for_completion_timeout timeout!");
return amdgpu_dm_set_dmub_async_sync_status(is_cmd_aux,
ctx, DMUB_ASYNC_TO_SYNC_ACCESS_TIMEOUT,
(uint32_t *)operation_result);