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

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

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-07-31 10:34:36 +08:00 committed by Alex Deucher
parent 7aa3f675d1
commit 4abc1765d2
3 changed files with 45 additions and 2 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View File

@ -655,8 +655,12 @@ 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 &&
adev->powerplay.pp_funcs->switch_power_profile)
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,
!idle);

36
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -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);

3
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -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);