drm/amdgpu/dpm: add an implementation for get_vce_clock_state (v2)

Used by the non-powerplay dpm code.

v2: update to the new API

Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
index b23f643..c3367d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
@@ -3273,6 +3273,7 @@ static const struct amdgpu_dpm_funcs kv_dpm_funcs = {
 	.force_performance_level = &kv_dpm_force_performance_level,
 	.powergate_uvd = &kv_dpm_powergate_uvd,
 	.enable_bapm = &kv_dpm_enable_bapm,
+	.get_vce_clock_state = amdgpu_get_vce_clock_state,
 };
 
 static void kv_dpm_set_dpm_funcs(struct amdgpu_device *adev)