diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
index bd5b0c1323687397778e3b0de12e344512837f7c..96da4fc9c99896025dc7ff815919d819d407e8e9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
@@ -1871,6 +1871,33 @@ static int cz_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 	}
 }
 
+static int cz_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
+					uint32_t virtual_addr_low,
+					uint32_t virtual_addr_hi,
+					uint32_t mc_addr_low,
+					uint32_t mc_addr_hi,
+					uint32_t size)
+{
+	smum_send_msg_to_smc_with_parameter(hwmgr,
+					PPSMC_MSG_DramAddrHiVirtual,
+					mc_addr_hi);
+	smum_send_msg_to_smc_with_parameter(hwmgr,
+					PPSMC_MSG_DramAddrLoVirtual,
+					mc_addr_low);
+	smum_send_msg_to_smc_with_parameter(hwmgr,
+					PPSMC_MSG_DramAddrHiPhysical,
+					virtual_addr_hi);
+	smum_send_msg_to_smc_with_parameter(hwmgr,
+					PPSMC_MSG_DramAddrLoPhysical,
+					virtual_addr_low);
+
+	smum_send_msg_to_smc_with_parameter(hwmgr,
+					PPSMC_MSG_DramBufferSize,
+					size);
+	return 0;
+}
+
+
 static const struct pp_hwmgr_func cz_hwmgr_funcs = {
 	.backend_init = cz_hwmgr_backend_init,
 	.backend_fini = cz_hwmgr_backend_fini,
@@ -1901,6 +1928,7 @@ static const struct pp_hwmgr_func cz_hwmgr_funcs = {
 	.dynamic_state_management_enable = cz_enable_dpm_tasks,
 	.power_state_set = cz_set_power_state_tasks,
 	.dynamic_state_management_disable = cz_disable_dpm_tasks,
+	.notify_cac_buffer_info = cz_notify_cac_buffer_info,
 };
 
 int cz_init_function_pointers(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 4826b2991b7e271370513743eda86d4a06bbd853..e32f18a9907463d9e186645890f74e5589635fc4 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -4645,6 +4645,47 @@ static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
 	return 0;
 }
 
+static int smu7_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
+					uint32_t virtual_addr_low,
+					uint32_t virtual_addr_hi,
+					uint32_t mc_addr_low,
+					uint32_t mc_addr_hi,
+					uint32_t size)
+{
+	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
+
+	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+					data->soft_regs_start +
+					smum_get_offsetof(hwmgr,
+					SMU_SoftRegisters, DRAM_LOG_ADDR_H),
+					mc_addr_hi);
+
+	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+					data->soft_regs_start +
+					smum_get_offsetof(hwmgr,
+					SMU_SoftRegisters, DRAM_LOG_ADDR_L),
+					mc_addr_low);
+
+	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+					data->soft_regs_start +
+					smum_get_offsetof(hwmgr,
+					SMU_SoftRegisters, DRAM_LOG_PHY_ADDR_H),
+					virtual_addr_hi);
+
+	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+					data->soft_regs_start +
+					smum_get_offsetof(hwmgr,
+					SMU_SoftRegisters, DRAM_LOG_PHY_ADDR_L),
+					virtual_addr_low);
+
+	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+					data->soft_regs_start +
+					smum_get_offsetof(hwmgr,
+					SMU_SoftRegisters, DRAM_LOG_BUFF_SIZE),
+					size);
+	return 0;
+}
+
 static const struct pp_hwmgr_func smu7_hwmgr_funcs = {
 	.backend_init = &smu7_hwmgr_backend_init,
 	.backend_fini = &smu7_hwmgr_backend_fini,
@@ -4696,6 +4737,7 @@ static const struct pp_hwmgr_func smu7_hwmgr_funcs = {
 	.avfs_control = smu7_avfs_control,
 	.disable_smc_firmware_ctf = smu7_thermal_disable_alert,
 	.start_thermal_controller = smu7_start_thermal_controller,
+	.notify_cac_buffer_info = smu7_notify_cac_buffer_info,
 };
 
 uint8_t smu7_get_sleep_divider_id_from_clock(uint32_t clock,
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smumgr.h b/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
index 7c9aba81cd6a246acee264d52b327a0ca221d88e..b1b27b2128f68aec08346dbbfc090eb064357622 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
@@ -75,6 +75,11 @@ enum SMU_MEMBER {
 	VceBootLevel,
 	SamuBootLevel,
 	LowSclkInterruptThreshold,
+	DRAM_LOG_ADDR_H,
+	DRAM_LOG_ADDR_L,
+	DRAM_LOG_PHY_ADDR_H,
+	DRAM_LOG_PHY_ADDR_L,
+	DRAM_LOG_BUFF_SIZE,
 };
 
 
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smc.c
index 0017b9e62404015df20f49ee3603779ca3f5a03e..4d672cd15785d1d1422f3fbef6c236c491e0949d 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smc.c
@@ -2266,6 +2266,16 @@ static uint32_t ci_get_offsetof(uint32_t type, uint32_t member)
 			return offsetof(SMU7_SoftRegisters, PreVBlankGap);
 		case VBlankTimeout:
 			return offsetof(SMU7_SoftRegisters, VBlankTimeout);
+		case DRAM_LOG_ADDR_H:
+			return offsetof(SMU7_SoftRegisters, DRAM_LOG_ADDR_H);
+		case DRAM_LOG_ADDR_L:
+			return offsetof(SMU7_SoftRegisters, DRAM_LOG_ADDR_L);
+		case DRAM_LOG_PHY_ADDR_H:
+			return offsetof(SMU7_SoftRegisters, DRAM_LOG_PHY_ADDR_H);
+		case DRAM_LOG_PHY_ADDR_L:
+			return offsetof(SMU7_SoftRegisters, DRAM_LOG_PHY_ADDR_L);
+		case DRAM_LOG_BUFF_SIZE:
+			return offsetof(SMU7_SoftRegisters, DRAM_LOG_BUFF_SIZE);
 		}
 	case SMU_Discrete_DpmTable:
 		switch (member) {
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
index b1a66b5ada4ac2ac5511b539dcf08c3559462fe2..e130b77e35c50780a1836c342153c5298ad53741 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smc.c
@@ -2199,6 +2199,16 @@ uint32_t fiji_get_offsetof(uint32_t type, uint32_t member)
 			return offsetof(SMU73_SoftRegisters, VBlankTimeout);
 		case UcodeLoadStatus:
 			return offsetof(SMU73_SoftRegisters, UcodeLoadStatus);
+		case DRAM_LOG_ADDR_H:
+			return offsetof(SMU73_SoftRegisters, DRAM_LOG_ADDR_H);
+		case DRAM_LOG_ADDR_L:
+			return offsetof(SMU73_SoftRegisters, DRAM_LOG_ADDR_L);
+		case DRAM_LOG_PHY_ADDR_H:
+			return offsetof(SMU73_SoftRegisters, DRAM_LOG_PHY_ADDR_H);
+		case DRAM_LOG_PHY_ADDR_L:
+			return offsetof(SMU73_SoftRegisters, DRAM_LOG_PHY_ADDR_L);
+		case DRAM_LOG_BUFF_SIZE:
+			return offsetof(SMU73_SoftRegisters, DRAM_LOG_BUFF_SIZE);
 		}
 	case SMU_Discrete_DpmTable:
 		switch (member) {
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
index efb0fc03327414bfa12a6d99c9a90b88e73627fd..da0c93b73c49e79b196412a37084cec44aa8e375 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
@@ -2125,6 +2125,16 @@ uint32_t iceland_get_offsetof(uint32_t type, uint32_t member)
 			return offsetof(SMU71_SoftRegisters, VBlankTimeout);
 		case UcodeLoadStatus:
 			return offsetof(SMU71_SoftRegisters, UcodeLoadStatus);
+		case DRAM_LOG_ADDR_H:
+			return offsetof(SMU71_SoftRegisters, DRAM_LOG_ADDR_H);
+		case DRAM_LOG_ADDR_L:
+			return offsetof(SMU71_SoftRegisters, DRAM_LOG_ADDR_L);
+		case DRAM_LOG_PHY_ADDR_H:
+			return offsetof(SMU71_SoftRegisters, DRAM_LOG_PHY_ADDR_H);
+		case DRAM_LOG_PHY_ADDR_L:
+			return offsetof(SMU71_SoftRegisters, DRAM_LOG_PHY_ADDR_L);
+		case DRAM_LOG_BUFF_SIZE:
+			return offsetof(SMU71_SoftRegisters, DRAM_LOG_BUFF_SIZE);
 		}
 	case SMU_Discrete_DpmTable:
 		switch (member) {
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
index c92ea38d2e15eab24bcd5bc87b38462c1459d76f..113cadbb722efb373b3ac37547940b92aec6fdc3 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smc.c
@@ -2190,6 +2190,16 @@ uint32_t polaris10_get_offsetof(uint32_t type, uint32_t member)
 			return offsetof(SMU74_SoftRegisters, VBlankTimeout);
 		case UcodeLoadStatus:
 			return offsetof(SMU74_SoftRegisters, UcodeLoadStatus);
+		case DRAM_LOG_ADDR_H:
+			return offsetof(SMU74_SoftRegisters, DRAM_LOG_ADDR_H);
+		case DRAM_LOG_ADDR_L:
+			return offsetof(SMU74_SoftRegisters, DRAM_LOG_ADDR_L);
+		case DRAM_LOG_PHY_ADDR_H:
+			return offsetof(SMU74_SoftRegisters, DRAM_LOG_PHY_ADDR_H);
+		case DRAM_LOG_PHY_ADDR_L:
+			return offsetof(SMU74_SoftRegisters, DRAM_LOG_PHY_ADDR_L);
+		case DRAM_LOG_BUFF_SIZE:
+			return offsetof(SMU74_SoftRegisters, DRAM_LOG_BUFF_SIZE);
 		}
 	case SMU_Discrete_DpmTable:
 		switch (member) {
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
index 1f720ccdaf999f98c87a1f89487c0d5d80ce562f..6675a85b482bea4c9b6e10fe45d151899b7e3d42 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smc.c
@@ -2668,6 +2668,16 @@ uint32_t tonga_get_offsetof(uint32_t type, uint32_t member)
 			return offsetof(SMU72_SoftRegisters, VBlankTimeout);
 		case UcodeLoadStatus:
 			return offsetof(SMU72_SoftRegisters, UcodeLoadStatus);
+		case DRAM_LOG_ADDR_H:
+			return offsetof(SMU72_SoftRegisters, DRAM_LOG_ADDR_H);
+		case DRAM_LOG_ADDR_L:
+			return offsetof(SMU72_SoftRegisters, DRAM_LOG_ADDR_L);
+		case DRAM_LOG_PHY_ADDR_H:
+			return offsetof(SMU72_SoftRegisters, DRAM_LOG_PHY_ADDR_H);
+		case DRAM_LOG_PHY_ADDR_L:
+			return offsetof(SMU72_SoftRegisters, DRAM_LOG_PHY_ADDR_L);
+		case DRAM_LOG_BUFF_SIZE:
+			return offsetof(SMU72_SoftRegisters, DRAM_LOG_BUFF_SIZE);
 		}
 	case SMU_Discrete_DpmTable:
 		switch (member) {