drm/amd/pm: Fix a bug in semaphore double-lock

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Fix a bug in smu_cmn_send_msg_without_waiting() in
that this function does not need to take the
smu->message_lock mutex in order to send a message
down to the SMU. The mutex is acquired by the
caller of this function instead.

Cc: Alex Deucher <Alexander.Deucher@amd.com>
Cc: Changfeng Zhu <Changfeng.Zhu@amd.com>
Cc: Huang Rui <ray.huang@amd.com>
Fixes: 5810323ba6 ("drm/amd/pm: Fix a bug communicating with the SMU (v5)")
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Alex Deucher <Alexander.Deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Luben Tuikov 2021-07-28 11:07:03 -04:00 • committed by Alex Deucher

parent b8e42844b4

commit 544dcd74b7

1 changed files with 0 additions and 2 deletions

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drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c

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