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drm/amd/powerplay: create pp_od_clk_voltage device file under OD support

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Since pp_od_clk_voltage device file is for OD related sysfs operations.

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 2019-01-07 18:56:14 +08:00 committed by Alex Deucher
parent 8139d493da
commit 0624e145fb
1 changed files with 14 additions and 8 deletions
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22
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
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@ -2008,6 +2008,7 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
{
struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
int ret;
if (adev->pm.sysfs_initialized)
@ -2091,12 +2092,14 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
"pp_power_profile_mode\n");
return ret;
}
ret = device_create_file(adev->dev,
&dev_attr_pp_od_clk_voltage);
if (ret) {
DRM_ERROR("failed to create device file "
"pp_od_clk_voltage\n");
return ret;
if (hwmgr->od_enabled) {
ret = device_create_file(adev->dev,
&dev_attr_pp_od_clk_voltage);
if (ret) {
DRM_ERROR("failed to create device file "
"pp_od_clk_voltage\n");
return ret;
}
}
ret = device_create_file(adev->dev,
&dev_attr_gpu_busy_percent);
@ -2118,6 +2121,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
{
struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
if (adev->pm.dpm_enabled == 0)
return;
@ -2138,8 +2143,9 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
device_remove_file(adev->dev, &dev_attr_pp_mclk_od);
device_remove_file(adev->dev,
&dev_attr_pp_power_profile_mode);
device_remove_file(adev->dev,
&dev_attr_pp_od_clk_voltage);
if (hwmgr->od_enabled)
device_remove_file(adev->dev,
&dev_attr_pp_od_clk_voltage);
device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
}