Commit 4abc1765 authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amd/powerplay: enable SW SMU power profile switch support in KFD 



Hook up the SW SMU power profile switch in KFD routine.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarKevin Wang <kevin1.wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 7aa3f675

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

+6 −2
Original line number Diff line number Diff line
@@ -655,7 +655,11 @@ void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle) 
{

	struct amdgpu_device *adev = (struct amdgpu_device *)kgd;



	if (adev->powerplay.pp_funcs &&

	if (is_support_sw_smu(adev))

		smu_switch_power_profile(&adev->smu,

					 PP_SMC_POWER_PROFILE_COMPUTE,

					 !idle);

	else if (adev->powerplay.pp_funcs &&

		 adev->powerplay.pp_funcs->switch_power_profile)

		amdgpu_dpm_switch_power_profile(adev,

						PP_SMC_POWER_PROFILE_COMPUTE,

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

+36 −0
Original line number Diff line number Diff line
@@ -1677,6 +1677,42 @@ int smu_handle_task(struct smu_context *smu, 
	return ret;

}



int smu_switch_power_profile(struct smu_context *smu,

			     enum PP_SMC_POWER_PROFILE type,

			     bool en)

{

	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);

	long workload;

	uint32_t index;



	if (!smu->pm_enabled)

		return -EINVAL;



	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))

		return -EINVAL;



	mutex_lock(&smu->mutex);



	if (!en) {

		smu->workload_mask &= ~(1 << smu->workload_prority[type]);

		index = fls(smu->workload_mask);

		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;

		workload = smu->workload_setting[index];

	} else {

		smu->workload_mask |= (1 << smu->workload_prority[type]);

		index = fls(smu->workload_mask);

		index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;

		workload = smu->workload_setting[index];

	}



	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL)

		smu_set_power_profile_mode(smu, &workload, 0);



	mutex_unlock(&smu->mutex);



	return 0;

}



enum amd_dpm_forced_level smu_get_performance_level(struct smu_context *smu)

{

	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

+3 −0
Original line number Diff line number Diff line
@@ -787,6 +787,9 @@ extern int smu_dpm_set_power_gate(struct smu_context *smu,uint32_t block_type, b 
extern int smu_handle_task(struct smu_context *smu,

			   enum amd_dpm_forced_level level,

			   enum amd_pp_task task_id);

int smu_switch_power_profile(struct smu_context *smu,

			     enum PP_SMC_POWER_PROFILE type,

			     bool en);

int smu_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t *smu_version);

int smu_get_dpm_freq_by_index(struct smu_context *smu, enum smu_clk_type clk_type,

			      uint16_t level, uint32_t *value);