Commit 53e0f1e6 authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: add dpm helper function for DF Cstate control 



The helper function hides software smu and legacy powerplay
implementation for DF Cstate control.

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 995da6cc

drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c

+17 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h

+3 −0
Original line number Diff line number Diff line
@@ -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

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