drm/amd/powerplay: implement sysfs of pp_force_state for sw-smu

the SMU v11 doesn’t support pp_force_state so far, so we didn’t implement
it.

Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 569f7be..896dcac 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -429,6 +429,8 @@ static ssize_t amdgpu_set_pp_force_state(struct device *dev,
 
        if (strlen(buf) == 1)
                adev->pp_force_state_enabled = false;
+       else if (is_support_sw_smu(adev))
+               adev->pp_force_state_enabled = false;
        else if (adev->powerplay.pp_funcs->dispatch_tasks &&
                        adev->powerplay.pp_funcs->get_pp_num_states) {
                struct pp_states_info data;