The helper function hides software smu and legacy powerplay
implementation for DF Cstate control.
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | 17 +++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h | 3 +++
2 files changed, 20 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
index a2e8c3dfb4f1..ba1bb95a3cf9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
@@ -1171,3 +1171,20 @@ int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev,
return ret;
}
+
+int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
+ uint32_t cstate)
+{
+ int ret = 0;
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+ void *pp_handle = adev->powerplay.pp_handle;
+ struct smu_context *smu = &adev->smu;
+
+ if (is_support_sw_smu(adev))
+ ret = smu_set_df_cstate(smu, cstate);
+ else if (pp_funcs &&
+ pp_funcs->set_df_cstate)
+ ret = pp_funcs->set_df_cstate(pp_handle, cstate);
+
+ return ret;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
index 902ca6c00cca..168579492a55 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
@@ -533,4 +533,7 @@ int amdgpu_dpm_baco_exit(struct amdgpu_device *adev);
int amdgpu_dpm_baco_enter(struct amdgpu_device *adev);
+int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
+ uint32_t cstate);
+
#endif
--
2.17.1
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