drm/amd/powerplay: fix deadlock issue for smu_force_performance_level

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the smu->mutex is internal lock resource in sw-smu, some functions will use
it at the same time, so it maybe will cause deadlock issue.
this patch fix this issue in smu_force_performance_level function.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Kevin Wang 2019-05-15 15:59:38 +08:00 • committed by Alex Deucher

parent 3ebab625e6

commit 6f6a7bba69

2 changed files with 4 additions and 10 deletions

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9

drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

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5

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

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