drm/amdgpu: enable MGCG and LS for ATHUB 3.0

Enable ATHUB 3.0 MGCG and LS features.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -36,7 +36,7 @@ athub_v3_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
 
 	def = data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL);
 
-	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_MGCG))
 		data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
 	else
 		data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
@@ -53,8 +53,7 @@ athub_v3_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
 
 	def = data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL);
 
-	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
-	    (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_LS))
 		data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
 	else
 		data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;

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

@@ -533,7 +533,9 @@ static int soc21_common_early_init(void *handle)
 			AMD_CG_SUPPORT_GFX_FGCG |
 			AMD_CG_SUPPORT_GFX_PERF_CLK |
 			AMD_CG_SUPPORT_VCN_MGCG |
-			AMD_CG_SUPPORT_JPEG_MGCG;
+			AMD_CG_SUPPORT_JPEG_MGCG |
+			AMD_CG_SUPPORT_ATHUB_MGCG |
+			AMD_CG_SUPPORT_ATHUB_LS;
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_VCN_DPG |
 			AMD_PG_SUPPORT_JPEG |