diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 6b410e601bb6594295237e84b6b808ad4eadb1ff..1991dd3d1056a16885ab4ed4b95066759d9fd790 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -460,18 +460,26 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring) atomic_inc(&vcn_inst->total_submission_cnt); - if (!cancel_delayed_work_sync(&vcn_inst->idle_work)) { - mutex_lock(&adev->vcn.workload_profile_mutex); - if (!adev->vcn.workload_profile_active) { - r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, - true); - if (r) - dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r); - adev->vcn.workload_profile_active = true; - } - mutex_unlock(&adev->vcn.workload_profile_mutex); + cancel_delayed_work_sync(&vcn_inst->idle_work); + + /* We can safely return early here because we've cancelled the + * the delayed work so there is no one else to set it to false + * and we don't care if someone else sets it to true. + */ + if (adev->vcn.workload_profile_active) + goto pg_lock; + + mutex_lock(&adev->vcn.workload_profile_mutex); + if (!adev->vcn.workload_profile_active) { + r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, + true); + if (r) + dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r); + adev->vcn.workload_profile_active = true; } + mutex_unlock(&adev->vcn.workload_profile_mutex); +pg_lock: mutex_lock(&vcn_inst->vcn_pg_lock); vcn_inst->set_pg_state(vcn_inst, AMD_PG_STATE_UNGATE); diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c index b4b8091980ad5d232687b6a7566946d6067d3d34..d716510b8dd686c5930dd3d2e704d7f363f6626f 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c @@ -169,18 +169,26 @@ static void vcn_v2_5_ring_begin_use(struct amdgpu_ring *ring) atomic_inc(&adev->vcn.inst[0].total_submission_cnt); - if (!cancel_delayed_work_sync(&adev->vcn.inst[0].idle_work)) { - mutex_lock(&adev->vcn.workload_profile_mutex); - if (!adev->vcn.workload_profile_active) { - r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, - true); - if (r) - dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r); - adev->vcn.workload_profile_active = true; - } - mutex_unlock(&adev->vcn.workload_profile_mutex); + cancel_delayed_work_sync(&adev->vcn.inst[0].idle_work); + + /* We can safely return early here because we've cancelled the + * the delayed work so there is no one else to set it to false + * and we don't care if someone else sets it to true. + */ + if (adev->vcn.workload_profile_active) + goto pg_lock; + + mutex_lock(&adev->vcn.workload_profile_mutex); + if (!adev->vcn.workload_profile_active) { + r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, + true); + if (r) + dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r); + adev->vcn.workload_profile_active = true; } + mutex_unlock(&adev->vcn.workload_profile_mutex); +pg_lock: mutex_lock(&adev->vcn.inst[0].vcn_pg_lock); amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN, AMD_PG_STATE_UNGATE);