From: Eric Huang <jinhuieric.hu...@amd.com>
This extends OD (OverDrive) support to the non-Powerplay code paths.
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 24 +++++++++++++++---------
2 files changed, 17 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 49ba233..6c5ec32 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1562,6 +1562,8 @@ struct amdgpu_dpm_funcs {
int (*get_fan_speed_percent)(struct amdgpu_device *adev, u32 *speed);
int (*force_clock_level)(struct amdgpu_device *adev, enum pp_clock_type
type, uint32_t mask);
int (*print_clock_levels)(struct amdgpu_device *adev, enum
pp_clock_type type, char *buf);
+ int (*get_sclk_od)(struct amdgpu_device *adev);
+ int (*set_sclk_od)(struct amdgpu_device *adev, uint32_t value);
};
struct amdgpu_dpm {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 7b78856..ebb99fd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -493,6 +493,8 @@ static ssize_t amdgpu_get_pp_sclk_od(struct device *dev,
if (adev->pp_enabled)
value = amdgpu_dpm_get_sclk_od(adev);
+ else if (adev->pm.funcs->get_sclk_od)
+ value = adev->pm.funcs->get_sclk_od(adev);
return snprintf(buf, PAGE_SIZE, "%d\n", value);
}
@@ -514,10 +516,14 @@ static ssize_t amdgpu_set_pp_sclk_od(struct device *dev,
goto fail;
}
- if (adev->pp_enabled)
+ if (adev->pp_enabled) {
amdgpu_dpm_set_sclk_od(adev, (uint32_t)value);
-
- amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_READJUST_POWER_STATE, NULL,
NULL);
+ amdgpu_dpm_dispatch_task(adev,
AMD_PP_EVENT_READJUST_POWER_STATE, NULL, NULL);
+ } else if (adev->pm.funcs->set_sclk_od) {
+ adev->pm.funcs->set_sclk_od(adev, (uint32_t)value);
+ adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
+ amdgpu_pm_compute_clocks(adev);
+ }
fail:
return count;
@@ -1165,11 +1171,6 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
DRM_ERROR("failed to create device file pp_table\n");
return ret;
}
- ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od);
- if (ret) {
- DRM_ERROR("failed to create device file pp_sclk_od\n");
- return ret;
- }
}
ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk);
@@ -1187,6 +1188,11 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
DRM_ERROR("failed to create device file pp_dpm_pcie\n");
return ret;
}
+ ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od);
+ if (ret) {
+ DRM_ERROR("failed to create device file pp_sclk_od\n");
+ return ret;
+ }
ret = amdgpu_debugfs_pm_init(adev);
if (ret) {
@@ -1210,11 +1216,11 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
device_remove_file(adev->dev, &dev_attr_pp_cur_state);
device_remove_file(adev->dev, &dev_attr_pp_force_state);
device_remove_file(adev->dev, &dev_attr_pp_table);
- device_remove_file(adev->dev, &dev_attr_pp_sclk_od);
}
device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk);
device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk);
device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie);
+ device_remove_file(adev->dev, &dev_attr_pp_sclk_od);
}
void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
--
2.5.5
