drm/amdgpu: update golden setting for sienna_cichlid

Update golden setting for sienna_cichlid.
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_v10_0.c

@@ -155,6 +155,11 @@
 #define mmCGTT_SPI_CS_CLK_CTRL			0x507c
 #define mmCGTT_SPI_CS_CLK_CTRL_BASE_IDX         1
 
+#define mmGCUTCL2_CGTT_CLK_CTRL_Sienna_Cichlid		0x16f3
+#define mmGCUTCL2_CGTT_CLK_CTRL_Sienna_Cichlid_BASE_IDX	0
+#define mmGCVM_L2_CGTT_CLK_CTRL_Sienna_Cichlid          0x15db
+#define mmGCVM_L2_CGTT_CLK_CTRL_Sienna_Cichlid_BASE_IDX	0
+
 MODULE_FIRMWARE("amdgpu/navi10_ce.bin");
 MODULE_FIRMWARE("amdgpu/navi10_pfp.bin");
 MODULE_FIRMWARE("amdgpu/navi10_me.bin");
@@ -3144,6 +3149,8 @@ static const struct soc15_reg_golden golden_settings_gc_10_3[] =
 	SOC15_REG_GOLDEN_VALUE(GC, 0, mmDB_DEBUG4, 0xffffffff, 0x00800000),
 	SOC15_REG_GOLDEN_VALUE(GC, 0, mmDB_EXCEPTION_CONTROL, 0x7fff0f1f, 0x00b80000),
 	SOC15_REG_GOLDEN_VALUE(GC, 0, mmGCR_GENERAL_CNTL_Sienna_Cichlid, 0x1ff1ffff, 0x00000500),
+	SOC15_REG_GOLDEN_VALUE(GC, 0, mmGCUTCL2_CGTT_CLK_CTRL_Sienna_Cichlid, 0xff000000, 0xff008080),
+	SOC15_REG_GOLDEN_VALUE(GC, 0, mmGCVM_L2_CGTT_CLK_CTRL_Sienna_Cichlid, 0xff000000, 0xff008080),
 	SOC15_REG_GOLDEN_VALUE(GC, 0, mmGE_PC_CNTL, 0x003fffff, 0x00280400),
 	SOC15_REG_GOLDEN_VALUE(GC, 0, mmGL2A_ADDR_MATCH_MASK, 0xffffffff, 0xffffffcf),
 	SOC15_REG_GOLDEN_VALUE(GC, 0, mmGL2C_ADDR_MATCH_MASK, 0xffffffff, 0xffffffcf),