drm/amdgpu: Add CM_TEST_DEBUG regs for DCN

We'd like to use them for reading DCN debug status.

Signed-off-by: Harry Wentland <[e-mail]>
Acked-by: Alex Deucher <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_1_0_offset.h

···
 #define mmCM0_CM_MEM_PWR_CTRL_BASE_IDX                                                                 2
 #define mmCM0_CM_MEM_PWR_STATUS                                                                        0x0d33
 #define mmCM0_CM_MEM_PWR_STATUS_BASE_IDX                                                               2
+#define mmCM0_CM_TEST_DEBUG_INDEX                                                                      0x0d35
+#define mmCM0_CM_TEST_DEBUG_INDEX_BASE_IDX                                                             2
+#define mmCM0_CM_TEST_DEBUG_DATA                                                                       0x0d36
+#define mmCM0_CM_TEST_DEBUG_DATA_BASE_IDX                                                              2
 
 
 // addressBlock: dce_dc_dpp0_dispdec_dpp_dcperfmon_dc_perfmon_dispdec
···
 #define mmCM1_CM_MEM_PWR_CTRL_BASE_IDX                                                                 2
 #define mmCM1_CM_MEM_PWR_STATUS                                                                        0x0e4e
 #define mmCM1_CM_MEM_PWR_STATUS_BASE_IDX                                                               2
-
+#define mmCM1_CM_TEST_DEBUG_INDEX                                                                      0x0e50
+#define mmCM1_CM_TEST_DEBUG_INDEX_BASE_IDX                                                             2
+#define mmCM1_CM_TEST_DEBUG_DATA                                                                       0x0e51
+#define mmCM1_CM_TEST_DEBUG_DATA_BASE_IDX                                                              2
 
 // addressBlock: dce_dc_dpp1_dispdec_dpp_dcperfmon_dc_perfmon_dispdec
 // base address: 0x399c
···
 #define mmCM2_CM_MEM_PWR_CTRL_BASE_IDX                                                                 2
 #define mmCM2_CM_MEM_PWR_STATUS                                                                        0x0f69
 #define mmCM2_CM_MEM_PWR_STATUS_BASE_IDX                                                               2
-
+#define mmCM2_CM_TEST_DEBUG_INDEX                                                                      0x0f6b
+#define mmCM2_CM_TEST_DEBUG_INDEX_BASE_IDX                                                             2
+#define mmCM2_CM_TEST_DEBUG_DATA                                                                       0x0f6c
+#define mmCM2_CM_TEST_DEBUG_DATA_BASE_IDX                                                              2
 
 // addressBlock: dce_dc_dpp2_dispdec_dpp_dcperfmon_dc_perfmon_dispdec
 // base address: 0x3e08
···
 #define mmCM3_CM_MEM_PWR_CTRL_BASE_IDX                                                                 2
 #define mmCM3_CM_MEM_PWR_STATUS                                                                        0x1084
 #define mmCM3_CM_MEM_PWR_STATUS_BASE_IDX                                                               2
-
+#define mmCM3_CM_TEST_DEBUG_INDEX                                                                      0x1086
+#define mmCM3_CM_TEST_DEBUG_INDEX_BASE_IDX                                                             2
+#define mmCM3_CM_TEST_DEBUG_DATA                                                                       0x1087
+#define mmCM3_CM_TEST_DEBUG_DATA_BASE_IDX                                                              2
 
 // addressBlock: dce_dc_dpp3_dispdec_dpp_dcperfmon_dc_perfmon_dispdec
 // base address: 0x4274

drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_1_0_sh_mask.h

···
 #define CM0_CM_MEM_PWR_STATUS__RGAM_MEM_PWR_STATE__SHIFT                                                      0x2
 #define CM0_CM_MEM_PWR_STATUS__SHARED_MEM_PWR_STATE_MASK                                                      0x00000003L
 #define CM0_CM_MEM_PWR_STATUS__RGAM_MEM_PWR_STATE_MASK                                                        0x0000000CL
+//CM0_CM_TEST_DEBUG_INDEX
+#define CM0_CM_TEST_DEBUG_INDEX__CM_TEST_DEBUG_INDEX__SHIFT                                                   0x0
+#define CM0_CM_TEST_DEBUG_INDEX__CM_TEST_DEBUG_WRITE_EN__SHIFT                                                0x8
+#define CM0_CM_TEST_DEBUG_INDEX__CM_TEST_DEBUG_INDEX_MASK                                                     0x000000FFL
+#define CM0_CM_TEST_DEBUG_INDEX__CM_TEST_DEBUG_WRITE_EN_MASK                                                  0x00000100L
+//CM0_CM_TEST_DEBUG_DATA
+#define CM0_CM_TEST_DEBUG_DATA__CM_TEST_DEBUG_DATA__SHIFT                                                     0x0
+#define CM0_CM_TEST_DEBUG_DATA__CM_TEST_DEBUG_DATA_MASK                                                       0xFFFFFFFFL
 
 
 // addressBlock: dce_dc_dpp0_dispdec_dpp_dcperfmon_dc_perfmon_dispdec