drm/amdgpu: enable GFX IP v11.5.0 CG and PG support

Add CG support for GFX/MC/HDP/ATHUB/IH/BIF.
Add PG support for GFX.
Signed-off-by: Li Ma <li.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/athub_v3_0.c

@@ -103,6 +103,7 @@ int athub_v3_0_set_clockgating(struct amdgpu_device *adev,
 	case IP_VERSION(3, 0, 0):
 	case IP_VERSION(3, 0, 1):
 	case IP_VERSION(3, 0, 2):
+	case IP_VERSION(3, 3, 0):
 		athub_v3_0_update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE);
 		athub_v3_0_update_medium_grain_light_sleep(adev,

drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c

@@ -5027,6 +5027,7 @@ static void gfx_v11_cntl_power_gating(struct amdgpu_device *adev, bool enable)
 		switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 		case IP_VERSION(11, 0, 1):
 		case IP_VERSION(11, 0, 4):
+		case IP_VERSION(11, 5, 0):
 			WREG32_SOC15(GC, 0, regRLC_PG_DELAY_3, RLC_PG_DELAY_3_DEFAULT_GC_11_0_1);
 			break;
 		default:
@@ -5061,6 +5062,7 @@ static int gfx_v11_0_set_powergating_state(void *handle,
 		break;
 	case IP_VERSION(11, 0, 1):
 	case IP_VERSION(11, 0, 4):
+	case IP_VERSION(11, 5, 0):
 		if (!enable)
 			amdgpu_gfx_off_ctrl(adev, false);
 
@@ -5091,6 +5093,7 @@ static int gfx_v11_0_set_clockgating_state(void *handle,
 	case IP_VERSION(11, 0, 2):
 	case IP_VERSION(11, 0, 3):
 	case IP_VERSION(11, 0, 4):
+	case IP_VERSION(11, 5, 0):
 	        gfx_v11_0_update_gfx_clock_gating(adev,
 	                        state ==  AMD_CG_STATE_GATE);
 	        break;

drivers/gpu/drm/amd/amdgpu/soc21.c

@@ -689,11 +689,27 @@ static int soc21_common_early_init(void *handle)
 			AMD_PG_SUPPORT_JPEG;
 		adev->external_rev_id = adev->rev_id + 0x80;
 		break;
-
-
 	case IP_VERSION(11, 5, 0):
 		adev->cg_flags = AMD_CG_SUPPORT_VCN_MGCG |
-			AMD_CG_SUPPORT_JPEG_MGCG;
+			AMD_CG_SUPPORT_JPEG_MGCG |
+			AMD_CG_SUPPORT_GFX_CGCG |
+			AMD_CG_SUPPORT_GFX_CGLS |
+			AMD_CG_SUPPORT_GFX_MGCG |
+			AMD_CG_SUPPORT_GFX_FGCG |
+			AMD_CG_SUPPORT_REPEATER_FGCG |
+			AMD_CG_SUPPORT_GFX_PERF_CLK	|
+			AMD_CG_SUPPORT_GFX_3D_CGCG |
+			AMD_CG_SUPPORT_GFX_3D_CGLS	|
+			AMD_CG_SUPPORT_MC_MGCG |
+			AMD_CG_SUPPORT_MC_LS |
+			AMD_CG_SUPPORT_HDP_LS |
+			AMD_CG_SUPPORT_HDP_DS |
+			AMD_CG_SUPPORT_HDP_SD |
+			AMD_CG_SUPPORT_ATHUB_MGCG |
+			AMD_CG_SUPPORT_ATHUB_LS |
+			AMD_CG_SUPPORT_IH_CG |
+			AMD_CG_SUPPORT_BIF_MGCG |
+			AMD_CG_SUPPORT_BIF_LS;
 		adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG |
 			AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_JPEG |