From: Likun Gao <[email protected]>

Add sys interface for set/get PCIE info for SMU.
The related operate will do nothing as vega20 do not support it now.

Signed-off-by: Likun Gao <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
Reviewed-by: Kevin Wang <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c     | 8 ++++++--
 drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 6 ++++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index a9e1410..baff3b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1005,7 +1005,9 @@ static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev,
        struct drm_device *ddev = dev_get_drvdata(dev);
        struct amdgpu_device *adev = ddev->dev_private;
 
-       if (adev->powerplay.pp_funcs->print_clock_levels)
+       if (is_support_sw_smu(adev))
+               return smu_print_clk_levels(&adev->smu, PP_PCIE, buf);
+       else if (adev->powerplay.pp_funcs->print_clock_levels)
                return amdgpu_dpm_print_clock_levels(adev, PP_PCIE, buf);
        else
                return snprintf(buf, PAGE_SIZE, "\n");
@@ -1025,7 +1027,9 @@ static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
        if (ret)
                return ret;
 
-       if (adev->powerplay.pp_funcs->force_clock_level)
+       if (is_support_sw_smu(adev))
+               ret = smu_force_clk_levels(&adev->smu, PP_PCIE, mask);
+       else if (adev->powerplay.pp_funcs->force_clock_level)
                ret = amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask);
 
        if (ret)
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c 
b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 14185bc..dff5d83 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -775,6 +775,9 @@ static int vega20_print_clk_levels(struct smu_context *smu,
                                ? "*" : "");
                break;
 
+       case PP_PCIE:
+               break;
+
        case OD_SCLK:
                if 
(od8_settings->od8_settings_array[OD8_SETTING_GFXCLK_FMIN].feature_id &&
                    
od8_settings->od8_settings_array[OD8_SETTING_GFXCLK_FMAX].feature_id) {
@@ -1016,6 +1019,9 @@ static int vega20_force_clk_levels(struct smu_context 
*smu,
 
                break;
 
+       case PP_PCIE:
+               break;
+
        default:
                break;
        }
-- 
2.7.4

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