drm/amd/powerplay: fix deadlock on setting power_dpm_force_performance_level

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smu_enable_umd_pstate() will try to get the smu->mutex which was already
hold by its parent API smu_force_performance_level() on the call path.
Thus deadlock happens.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Evan Quan 2019-11-06 12:40:12 +08:00 • committed by Alex Deucher

parent 60599a0363

commit cf3fde893d

1 changed files with 14 additions and 5 deletions

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drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

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