drm/amdgpu: enable gfx cgcg&cgls for gfx v12_0_0

Enable GFX CGCG and CGLS for gfx version 12.0.0.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c

@@ -3857,6 +3857,7 @@ static int gfx_v12_0_set_clockgating_state(void *handle,
 		return 0;
 
 	switch (adev->ip_versions[GC_HWIP][0]) {
+	case IP_VERSION(12, 0, 0):
 	case IP_VERSION(12, 0, 1):
 		gfx_v12_0_update_gfx_clock_gating(adev,
 						  state == AMD_CG_STATE_GATE);

drivers/gpu/drm/amd/amdgpu/soc24.c

@@ -397,7 +397,8 @@ static int soc24_common_early_init(void *handle)
 
 	switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 	case IP_VERSION(12, 0, 0):
-		adev->cg_flags = 0;
+		adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG |
+			AMD_CG_SUPPORT_GFX_CGLS;
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_JPEG;
 		adev->external_rev_id = adev->rev_id + 0x40;