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drm/amd/powerplay: refine code to support no-dpm case

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With "dpm=0", there will be no DPM enabled. The code
needs to be refined to support this.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2020-01-03 14:18:22 +08:00 committed by Alex Deucher
parent ce0d0ec339
commit 29a4596064
3 changed files with 20 additions and 1 deletions
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5
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
View File

@ -927,9 +927,12 @@ static int pp_dpm_set_mp1_state(void *handle, enum pp_mp1_state mp1_state)
{
struct pp_hwmgr *hwmgr = handle;
if (!hwmgr || !hwmgr->pm_en)
if (!hwmgr)
return -EINVAL;
if (!hwmgr->pm_en)
return 0;
if (hwmgr->hwmgr_func->set_mp1_state)
return hwmgr->hwmgr_func->set_mp1_state(hwmgr, mp1_state);

6
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -1363,6 +1363,9 @@ static int smu_hw_fini(void *handle)
smu_powergate_jpeg(&adev->smu, true);
}
if (!smu->pm_enabled)
return 0;
if (!amdgpu_sriov_vf(adev)){
ret = smu_stop_thermal_control(smu);
if (ret) {
@ -1435,6 +1438,9 @@ static int smu_suspend(void *handle)
struct smu_context *smu = &adev->smu;
bool baco_feature_is_enabled = false;
if (!smu->pm_enabled)
return 0;
if(!smu->is_apu)
baco_feature_is_enabled = smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT);

10
drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
View File

@ -2176,8 +2176,12 @@ static const struct i2c_algorithm arcturus_i2c_eeprom_i2c_algo = {
static int arcturus_i2c_eeprom_control_init(struct i2c_adapter *control)
{
struct amdgpu_device *adev = to_amdgpu_device(control);
struct smu_context *smu = &adev->smu;
int res;
if (!smu->pm_enabled)
return -EOPNOTSUPP;
control->owner = THIS_MODULE;
control->class = I2C_CLASS_SPD;
control->dev.parent = &adev->pdev->dev;
@ -2193,6 +2197,12 @@ static int arcturus_i2c_eeprom_control_init(struct i2c_adapter *control)
static void arcturus_i2c_eeprom_control_fini(struct i2c_adapter *control)
{
struct amdgpu_device *adev = to_amdgpu_device(control);
struct smu_context *smu = &adev->smu;
if (!smu->pm_enabled)
return;
i2c_del_adapter(control);
}