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(parent: 9299c69) | patch
drm/amd/powerplay: fix deadlock on setting power_dpm_force_performance_level
authorEvan Quan <evan.quan@amd.com>
Wed, 6 Nov 2019 04:40:12 +0000 (12:40 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 6 Nov 2019 21:27:48 +0000 (16:27 -0500)
commit0943c797af0dc77ae776f7c2d33873e6c1503b11
tree4545c135e1190b66248b89e290652a605e9140bctree | snapshot
parent9299c69fcc6a38758dfa6221f963d7d0a9f14fc7commit | diff
drm/amd/powerplay: fix deadlock on setting power_dpm_force_performance_level

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>
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c diff | blob | history
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