From f68ccf43acbc31751cff48d0ac1e5ff50d91a451 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Fri, 12 Jul 2019 13:18:16 +0800 Subject: drm/amd/powerplay: fix deadlock around smu_handle_task V2 As the lock was already held on the entrance to smu_handle_task. - V2: lock in small granularity Signed-off-by: Evan Quan Reviewed-by: Kevin Wang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 193d53720d9b..397af9094a39 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -2996,13 +2996,10 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) } if (is_support_sw_smu(adev)) { - struct smu_context *smu = &adev->smu; struct smu_dpm_context *smu_dpm = &adev->smu.smu_dpm; - mutex_lock(&(smu->mutex)); smu_handle_task(&adev->smu, smu_dpm->dpm_level, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE); - mutex_unlock(&(smu->mutex)); } else { if (adev->powerplay.pp_funcs->dispatch_tasks) { if (!amdgpu_device_has_dc_support(adev)) { -- cgit v1.2.3