drm/amdgpu: add Clock and Power Gating support for gc 10.3.6

Add below supports:
GFX Coarse Grain Clock Gating(CGCG)
GFX Coarse grain light sleep/deep sleep(CGLS)
GFX Medium Grain Clock Gating(MGCG)
GFX Medium Grain light sleep/deep sleep(MGLS)
GFX Fine Grain Clock Gating(FGCG)
RLC MGLS
CP  MGLS
MMHUB Clock Gating
SDMA Clock Gating
HDP Clock Gating
ATHUB Clock Gating
IH Clock Gating
GFX Power Gating
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -909,8 +909,24 @@ static int nv_common_early_init(void *handle)
 		adev->external_rev_id = adev->rev_id + 0x82;
 		break;
 	case IP_VERSION(10, 3, 6):
-		adev->cg_flags = 0;
-		adev->pg_flags = 0;
+		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
+			AMD_CG_SUPPORT_GFX_MGLS |
+			AMD_CG_SUPPORT_GFX_CGCG |
+			AMD_CG_SUPPORT_GFX_CGLS |
+			AMD_CG_SUPPORT_GFX_3D_CGCG |
+			AMD_CG_SUPPORT_GFX_3D_CGLS |
+			AMD_CG_SUPPORT_GFX_RLC_LS |
+			AMD_CG_SUPPORT_GFX_CP_LS |
+			AMD_CG_SUPPORT_GFX_FGCG |
+			AMD_CG_SUPPORT_MC_MGCG |
+			AMD_CG_SUPPORT_MC_LS |
+			AMD_CG_SUPPORT_SDMA_LS |
+			AMD_CG_SUPPORT_HDP_MGCG |
+			AMD_CG_SUPPORT_HDP_LS |
+			AMD_CG_SUPPORT_ATHUB_MGCG |
+			AMD_CG_SUPPORT_ATHUB_LS |
+			AMD_CG_SUPPORT_IH_CG;
+		adev->pg_flags = AMD_PG_SUPPORT_GFX_PG;
 		adev->external_rev_id = adev->rev_id + 0x01;
 		break;
 	case IP_VERSION(10, 3, 7):