diff options
| author | Evan Quan <evan.quan@amd.com> | 2020-01-03 14:18:22 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-01-07 12:01:40 -0500 |
| commit | 29a45960647b243af5f2aa73fd7a822ef3db33eb (patch) | |
| tree | 148e5a7cdc653661d0b5f1bd4575501c62ed58ea /drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | |
| parent | ce0d0ec3390c5cf997e4ca43bd2047fa41e77bf1 (diff) | |
drm/amd/powerplay: refine code to support no-dpm case
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>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/arcturus_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index 064b5201a8a7..1c15c6fbe3b9 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -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); } |