drm/amdgpu: add mmhub pg init sequence on raven

MMHub Powergating init sequence.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
index bbfacbc..025b88b 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
@@ -32,6 +32,7 @@ void mmhub_v1_0_init(struct amdgpu_device *adev);
 int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev,
 			       enum amd_clockgating_state state);
 void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u32 *flags);
+void mmhub_v1_0_initialize_power_gating(struct amdgpu_device *adev);
 
 extern const struct amd_ip_funcs mmhub_v1_0_ip_funcs;
 extern const struct amdgpu_ip_block_version mmhub_v1_0_ip_block;