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

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

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2020-02-24 14:19:56 +08:00 committed by Alex Deucher
parent 995da6cc4c
commit 53e0f1e6be
2 changed files with 20 additions and 0 deletions
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17
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
View File

@ -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;
}

3
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
View File

@ -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