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path: root/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v6_7.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/umc_v6_7.c540
1 files changed, 540 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c
new file mode 100644
index 000000000000..606892dbea1c
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c
@@ -0,0 +1,540 @@
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "umc_v6_7.h"
+#include "amdgpu_ras.h"
+#include "amdgpu_umc.h"
+#include "amdgpu.h"
+
+#include "umc/umc_6_7_0_offset.h"
+#include "umc/umc_6_7_0_sh_mask.h"
+
+const uint32_t
+ umc_v6_7_channel_idx_tbl_second[UMC_V6_7_UMC_INSTANCE_NUM][UMC_V6_7_CHANNEL_INSTANCE_NUM] = {
+ {28, 20, 24, 16, 12, 4, 8, 0},
+ {6, 30, 2, 26, 22, 14, 18, 10},
+ {19, 11, 15, 7, 3, 27, 31, 23},
+ {9, 1, 5, 29, 25, 17, 21, 13}
+};
+const uint32_t
+ umc_v6_7_channel_idx_tbl_first[UMC_V6_7_UMC_INSTANCE_NUM][UMC_V6_7_CHANNEL_INSTANCE_NUM] = {
+ {19, 11, 15, 7, 3, 27, 31, 23},
+ {9, 1, 5, 29, 25, 17, 21, 13},
+ {28, 20, 24, 16, 12, 4, 8, 0},
+ {6, 30, 2, 26, 22, 14, 18, 10},
+};
+
+static inline uint32_t get_umc_v6_7_reg_offset(struct amdgpu_device *adev,
+ uint32_t umc_inst,
+ uint32_t ch_inst)
+{
+ uint32_t index = umc_inst * adev->umc.channel_inst_num + ch_inst;
+
+ /* adjust umc and channel index offset,
+ * the register address is not linear on each umc instace */
+ umc_inst = index / 4;
+ ch_inst = index % 4;
+
+ return adev->umc.channel_offs * ch_inst + UMC_V6_7_INST_DIST * umc_inst;
+}
+
+static inline uint32_t get_umc_v6_7_channel_index(struct amdgpu_device *adev,
+ uint32_t umc_inst,
+ uint32_t ch_inst)
+{
+ return adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
+}
+
+static void umc_v6_7_query_error_status_helper(struct amdgpu_device *adev,
+ uint64_t mc_umc_status, uint32_t umc_reg_offset)
+{
+ uint32_t mc_umc_addr;
+ uint64_t reg_value;
+
+ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1)
+ dev_info(adev->dev, "Deferred error, no user action is needed.\n");
+
+ if (mc_umc_status)
+ dev_info(adev->dev, "MCA STATUS 0x%llx, umc_reg_offset 0x%x\n", mc_umc_status, umc_reg_offset);
+
+ /* print IPID registers value */
+ mc_umc_addr =
+ SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_IPIDT0);
+ reg_value = RREG64_PCIE((mc_umc_addr + umc_reg_offset) * 4);
+ if (reg_value)
+ dev_info(adev->dev, "MCA IPID 0x%llx, umc_reg_offset 0x%x\n", reg_value, umc_reg_offset);
+
+ /* print SYND registers value */
+ mc_umc_addr =
+ SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_SYNDT0);
+ reg_value = RREG64_PCIE((mc_umc_addr + umc_reg_offset) * 4);
+ if (reg_value)
+ dev_info(adev->dev, "MCA SYND 0x%llx, umc_reg_offset 0x%x\n", reg_value, umc_reg_offset);
+
+ /* print MISC0 registers value */
+ mc_umc_addr =
+ SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_MISC0T0);
+ reg_value = RREG64_PCIE((mc_umc_addr + umc_reg_offset) * 4);
+ if (reg_value)
+ dev_info(adev->dev, "MCA MISC0 0x%llx, umc_reg_offset 0x%x\n", reg_value, umc_reg_offset);
+}
+
+static void umc_v6_7_ecc_info_query_correctable_error_count(struct amdgpu_device *adev,
+ uint32_t umc_inst, uint32_t ch_inst,
+ unsigned long *error_count)
+{
+ uint64_t mc_umc_status;
+ uint32_t eccinfo_table_idx;
+ uint32_t umc_reg_offset;
+ struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+
+ umc_reg_offset = get_umc_v6_7_reg_offset(adev,
+ umc_inst, ch_inst);
+
+ eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
+ /* check for SRAM correctable error
+ MCUMC_STATUS is a 64 bit register */
+ mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
+ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1) {
+ *error_count += 1;
+
+ umc_v6_7_query_error_status_helper(adev, mc_umc_status, umc_reg_offset);
+ }
+}
+
+static void umc_v6_7_ecc_info_querry_uncorrectable_error_count(struct amdgpu_device *adev,
+ uint32_t umc_inst, uint32_t ch_inst,
+ unsigned long *error_count)
+{
+ uint64_t mc_umc_status;
+ uint32_t eccinfo_table_idx;
+ uint32_t umc_reg_offset;
+ struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+
+ umc_reg_offset = get_umc_v6_7_reg_offset(adev,
+ umc_inst, ch_inst);
+
+ eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
+ /* check the MCUMC_STATUS */
+ mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
+ if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
+ (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1)) {
+ *error_count += 1;
+
+ umc_v6_7_query_error_status_helper(adev, mc_umc_status, umc_reg_offset);
+ }
+}
+
+static void umc_v6_7_ecc_info_query_ras_error_count(struct amdgpu_device *adev,
+ void *ras_error_status)
+{
+ struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
+
+ uint32_t umc_inst = 0;
+ uint32_t ch_inst = 0;
+
+ /*TODO: driver needs to toggle DF Cstate to ensure
+ * safe access of UMC registers. Will add the protection */
+ LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
+ umc_v6_7_ecc_info_query_correctable_error_count(adev,
+ umc_inst, ch_inst,
+ &(err_data->ce_count));
+ umc_v6_7_ecc_info_querry_uncorrectable_error_count(adev,
+ umc_inst, ch_inst,
+ &(err_data->ue_count));
+ }
+}
+
+static void umc_v6_7_ecc_info_query_error_address(struct amdgpu_device *adev,
+ struct ras_err_data *err_data,
+ uint32_t ch_inst,
+ uint32_t umc_inst)
+{
+ uint64_t mc_umc_status, err_addr, soc_pa, retired_page, column;
+ uint32_t channel_index;
+ uint32_t eccinfo_table_idx;
+ struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+
+ eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
+ channel_index =
+ adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
+
+ mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
+
+ if (mc_umc_status == 0)
+ return;
+
+ if (!err_data->err_addr)
+ return;
+
+ /* calculate error address if ue/ce error is detected */
+ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
+ (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1)) {
+
+ err_addr = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_addr;
+ err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
+
+ /* translate umc channel address to soc pa, 3 parts are included */
+ soc_pa = ADDR_OF_8KB_BLOCK(err_addr) |
+ ADDR_OF_256B_BLOCK(channel_index) |
+ OFFSET_IN_256B_BLOCK(err_addr);
+
+ /* The umc channel bits are not original values, they are hashed */
+ SET_CHANNEL_HASH(channel_index, soc_pa);
+
+ /* clear [C4 C3 C2] in soc physical address */
+ soc_pa &= ~(0x7ULL << UMC_V6_7_PA_C2_BIT);
+
+ /* we only save ue error information currently, ce is skipped */
+ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC)
+ == 1) {
+ /* loop for all possibilities of [C4 C3 C2] */
+ for (column = 0; column < UMC_V6_7_NA_MAP_PA_NUM; column++) {
+ retired_page = soc_pa | (column << UMC_V6_7_PA_C2_BIT);
+ dev_info(adev->dev, "Error Address(PA): 0x%llx\n", retired_page);
+ amdgpu_umc_fill_error_record(err_data, err_addr,
+ retired_page, channel_index, umc_inst);
+
+ /* shift R14 bit */
+ retired_page ^= (0x1ULL << UMC_V6_7_PA_R14_BIT);
+ dev_info(adev->dev, "Error Address(PA): 0x%llx\n", retired_page);
+ amdgpu_umc_fill_error_record(err_data, err_addr,
+ retired_page, channel_index, umc_inst);
+ }
+ }
+ }
+}
+
+static void umc_v6_7_ecc_info_query_ras_error_address(struct amdgpu_device *adev,
+ void *ras_error_status)
+{
+ struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
+
+ uint32_t umc_inst = 0;
+ uint32_t ch_inst = 0;
+
+ /*TODO: driver needs to toggle DF Cstate to ensure
+ * safe access of UMC resgisters. Will add the protection
+ * when firmware interface is ready */
+ LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
+ umc_v6_7_ecc_info_query_error_address(adev,
+ err_data,
+ ch_inst,
+ umc_inst);
+ }
+}
+
+static void umc_v6_7_query_correctable_error_count(struct amdgpu_device *adev,
+ uint32_t umc_reg_offset,
+ unsigned long *error_count)
+{
+ uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
+ uint32_t ecc_err_cnt, ecc_err_cnt_addr;
+ uint64_t mc_umc_status;
+ uint32_t mc_umc_status_addr;
+
+ /* UMC 6_1_1 registers */
+ ecc_err_cnt_sel_addr =
+ SOC15_REG_OFFSET(UMC, 0, regUMCCH0_0_EccErrCntSel);
+ ecc_err_cnt_addr =
+ SOC15_REG_OFFSET(UMC, 0, regUMCCH0_0_EccErrCnt);
+ mc_umc_status_addr =
+ SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_STATUST0);
+
+ /* select the lower chip and check the error count */
+ ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4);
+ ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel,
+ EccErrCntCsSel, 0);
+ WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
+
+ ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
+ *error_count +=
+ (REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_EccErrCnt, EccErrCnt) -
+ UMC_V6_7_CE_CNT_INIT);
+
+ /* select the higher chip and check the err counter */
+ ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel,
+ EccErrCntCsSel, 1);
+ WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
+
+ ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
+ *error_count +=
+ (REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_EccErrCnt, EccErrCnt) -
+ UMC_V6_7_CE_CNT_INIT);
+
+ /* check for SRAM correctable error
+ MCUMC_STATUS is a 64 bit register */
+ mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
+ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1) {
+ *error_count += 1;
+
+ umc_v6_7_query_error_status_helper(adev, mc_umc_status, umc_reg_offset);
+ }
+}
+
+static void umc_v6_7_querry_uncorrectable_error_count(struct amdgpu_device *adev,
+ uint32_t umc_reg_offset,
+ unsigned long *error_count)
+{
+ uint64_t mc_umc_status;
+ uint32_t mc_umc_status_addr;
+
+ mc_umc_status_addr =
+ SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_STATUST0);
+
+ /* check the MCUMC_STATUS */
+ mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
+ if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
+ (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1)) {
+ *error_count += 1;
+
+ umc_v6_7_query_error_status_helper(adev, mc_umc_status, umc_reg_offset);
+ }
+}
+
+static void umc_v6_7_reset_error_count_per_channel(struct amdgpu_device *adev,
+ uint32_t umc_reg_offset)
+{
+ uint32_t ecc_err_cnt_addr;
+ uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
+
+ ecc_err_cnt_sel_addr =
+ SOC15_REG_OFFSET(UMC, 0,
+ regUMCCH0_0_EccErrCntSel);
+ ecc_err_cnt_addr =
+ SOC15_REG_OFFSET(UMC, 0,
+ regUMCCH0_0_EccErrCnt);
+
+ /* select the lower chip */
+ ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
+ umc_reg_offset) * 4);
+ ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
+ UMCCH0_0_EccErrCntSel,
+ EccErrCntCsSel, 0);
+ WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
+ ecc_err_cnt_sel);
+
+ /* clear lower chip error count */
+ WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
+ UMC_V6_7_CE_CNT_INIT);
+
+ /* select the higher chip */
+ ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
+ umc_reg_offset) * 4);
+ ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
+ UMCCH0_0_EccErrCntSel,
+ EccErrCntCsSel, 1);
+ WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
+ ecc_err_cnt_sel);
+
+ /* clear higher chip error count */
+ WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
+ UMC_V6_7_CE_CNT_INIT);
+}
+
+static void umc_v6_7_reset_error_count(struct amdgpu_device *adev)
+{
+ uint32_t umc_inst = 0;
+ uint32_t ch_inst = 0;
+ uint32_t umc_reg_offset = 0;
+
+ LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
+ umc_reg_offset = get_umc_v6_7_reg_offset(adev,
+ umc_inst,
+ ch_inst);
+
+ umc_v6_7_reset_error_count_per_channel(adev,
+ umc_reg_offset);
+ }
+}
+
+static void umc_v6_7_query_ras_error_count(struct amdgpu_device *adev,
+ void *ras_error_status)
+{
+ struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
+
+ uint32_t umc_inst = 0;
+ uint32_t ch_inst = 0;
+ uint32_t umc_reg_offset = 0;
+
+ /*TODO: driver needs to toggle DF Cstate to ensure
+ * safe access of UMC registers. Will add the protection */
+ LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
+ umc_reg_offset = get_umc_v6_7_reg_offset(adev,
+ umc_inst,
+ ch_inst);
+ umc_v6_7_query_correctable_error_count(adev,
+ umc_reg_offset,
+ &(err_data->ce_count));
+ umc_v6_7_querry_uncorrectable_error_count(adev,
+ umc_reg_offset,
+ &(err_data->ue_count));
+ }
+
+ umc_v6_7_reset_error_count(adev);
+}
+
+static void umc_v6_7_query_error_address(struct amdgpu_device *adev,
+ struct ras_err_data *err_data,
+ uint32_t umc_reg_offset,
+ uint32_t ch_inst,
+ uint32_t umc_inst)
+{
+ uint32_t mc_umc_status_addr;
+ uint32_t channel_index;
+ uint64_t mc_umc_status, mc_umc_addrt0;
+ uint64_t err_addr, soc_pa, retired_page, column;
+
+ mc_umc_status_addr =
+ SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_STATUST0);
+ mc_umc_addrt0 =
+ SOC15_REG_OFFSET(UMC, 0, regMCA_UMC_UMC0_MCUMC_ADDRT0);
+
+ mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
+
+ if (mc_umc_status == 0)
+ return;
+
+ if (!err_data->err_addr) {
+ /* clear umc status */
+ WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
+ return;
+ }
+
+ channel_index =
+ adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
+
+ /* calculate error address if ue/ce error is detected */
+ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
+ (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1)) {
+
+ err_addr = RREG64_PCIE((mc_umc_addrt0 + umc_reg_offset) * 4);
+ err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
+
+ /* translate umc channel address to soc pa, 3 parts are included */
+ soc_pa = ADDR_OF_8KB_BLOCK(err_addr) |
+ ADDR_OF_256B_BLOCK(channel_index) |
+ OFFSET_IN_256B_BLOCK(err_addr);
+
+ /* The umc channel bits are not original values, they are hashed */
+ SET_CHANNEL_HASH(channel_index, soc_pa);
+
+ /* clear [C4 C3 C2] in soc physical address */
+ soc_pa &= ~(0x7ULL << UMC_V6_7_PA_C2_BIT);
+
+ /* we only save ue error information currently, ce is skipped */
+ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC)
+ == 1) {
+ /* loop for all possibilities of [C4 C3 C2] */
+ for (column = 0; column < UMC_V6_7_NA_MAP_PA_NUM; column++) {
+ retired_page = soc_pa | (column << UMC_V6_7_PA_C2_BIT);
+ dev_info(adev->dev, "Error Address(PA): 0x%llx\n", retired_page);
+ amdgpu_umc_fill_error_record(err_data, err_addr,
+ retired_page, channel_index, umc_inst);
+
+ /* shift R14 bit */
+ retired_page ^= (0x1ULL << UMC_V6_7_PA_R14_BIT);
+ dev_info(adev->dev, "Error Address(PA): 0x%llx\n", retired_page);
+ amdgpu_umc_fill_error_record(err_data, err_addr,
+ retired_page, channel_index, umc_inst);
+ }
+ }
+ }
+
+ /* clear umc status */
+ WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
+}
+
+static void umc_v6_7_query_ras_error_address(struct amdgpu_device *adev,
+ void *ras_error_status)
+{
+ struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
+
+ uint32_t umc_inst = 0;
+ uint32_t ch_inst = 0;
+ uint32_t umc_reg_offset = 0;
+
+ /*TODO: driver needs to toggle DF Cstate to ensure
+ * safe access of UMC resgisters. Will add the protection
+ * when firmware interface is ready */
+ LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
+ umc_reg_offset = get_umc_v6_7_reg_offset(adev,
+ umc_inst,
+ ch_inst);
+ umc_v6_7_query_error_address(adev,
+ err_data,
+ umc_reg_offset,
+ ch_inst,
+ umc_inst);
+ }
+}
+
+static uint32_t umc_v6_7_query_ras_poison_mode_per_channel(
+ struct amdgpu_device *adev,
+ uint32_t umc_reg_offset)
+{
+ uint32_t ecc_ctrl_addr, ecc_ctrl;
+
+ ecc_ctrl_addr =
+ SOC15_REG_OFFSET(UMC, 0, regUMCCH0_0_EccCtrl);
+ ecc_ctrl = RREG32_PCIE((ecc_ctrl_addr +
+ umc_reg_offset) * 4);
+
+ return REG_GET_FIELD(ecc_ctrl, UMCCH0_0_EccCtrl, UCFatalEn);
+}
+
+static bool umc_v6_7_query_ras_poison_mode(struct amdgpu_device *adev)
+{
+ uint32_t umc_reg_offset = 0;
+
+ /* Enabling fatal error in umc instance0 channel0 will be
+ * considered as fatal error mode
+ */
+ umc_reg_offset = get_umc_v6_7_reg_offset(adev, 0, 0);
+ return !umc_v6_7_query_ras_poison_mode_per_channel(adev, umc_reg_offset);
+}
+
+const struct amdgpu_ras_block_hw_ops umc_v6_7_ras_hw_ops = {
+ .query_ras_error_count = umc_v6_7_query_ras_error_count,
+ .query_ras_error_address = umc_v6_7_query_ras_error_address,
+};
+
+struct amdgpu_umc_ras umc_v6_7_ras = {
+ .ras_block = {
+ .hw_ops = &umc_v6_7_ras_hw_ops,
+ },
+ .query_ras_poison_mode = umc_v6_7_query_ras_poison_mode,
+ .ecc_info_query_ras_error_count = umc_v6_7_ecc_info_query_ras_error_count,
+ .ecc_info_query_ras_error_address = umc_v6_7_ecc_info_query_ras_error_address,
+};