drm/amdgpu: export mmhub set clockgating into gmc

Signed-off-by: NHuang Rui <ray.huang@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Acked-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

@@ -809,7 +809,9 @@ static int gmc_v9_0_soft_reset(void *handle)
 static int gmc_v9_0_set_clockgating_state(void *handle,
 					enum amd_clockgating_state state)
 {
-	return 0;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return mmhub_v1_0_set_clockgating(adev, state);
 }
 
 static int gmc_v9_0_set_powergating_state(void *handle,

drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

@@ -538,11 +538,9 @@ static void athub_update_medium_grain_light_sleep(struct amdgpu_device *adev,
 		WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL), data);
 }
 
-static int mmhub_v1_0_set_clockgating_state(void *handle,
+int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev,
 			       enum amd_clockgating_state state)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
 	if (amdgpu_sriov_vf(adev))
 		return 0;
 
@@ -565,6 +563,12 @@ static int mmhub_v1_0_set_clockgating_state(void *handle,
 	return 0;
 }
 
+static int mmhub_v1_0_set_clockgating_state(void *handle,
+					    enum amd_clockgating_state state)
+{
+	return 0;
+}
+
 static void mmhub_v1_0_get_clockgating_state(void *handle, u32 *flags)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h

@@ -29,6 +29,8 @@ void mmhub_v1_0_gart_disable(struct amdgpu_device *adev);
 void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
 					 bool value);
 void mmhub_v1_0_init(struct amdgpu_device *adev);
+int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev,
+			       enum amd_clockgating_state state);
 
 extern const struct amd_ip_funcs mmhub_v1_0_ip_funcs;
 extern const struct amdgpu_ip_block_version mmhub_v1_0_ip_block;