diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v8_7.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/umc_v8_7.c | 173 |
1 files changed, 149 insertions, 24 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v8_7.c b/drivers/gpu/drm/amd/amdgpu/umc_v8_7.c index af59a35788e3..de85a998ef99 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v8_7.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v8_7.c @@ -40,13 +40,144 @@ const uint32_t {9, 0}, {15, 6} }; -static inline uint32_t get_umc_8_reg_offset(struct amdgpu_device *adev, +static inline uint32_t get_umc_v8_7_reg_offset(struct amdgpu_device *adev, uint32_t umc_inst, uint32_t ch_inst) { return adev->umc.channel_offs*ch_inst + UMC_8_INST_DIST*umc_inst; } +static inline uint32_t get_umc_v8_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_v8_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; + struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); + + 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; +} + +static void umc_v8_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; + struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); + + 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; +} + +static void umc_v8_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_v8_7_ecc_info_query_correctable_error_count(adev, + umc_inst, ch_inst, + &(err_data->ce_count)); + umc_v8_7_ecc_info_querry_uncorrectable_error_count(adev, + umc_inst, ch_inst, + &(err_data->ue_count)); + } +} + +static void umc_v8_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, retired_page; + 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 */ + retired_page = ADDR_OF_4KB_BLOCK(err_addr) | + ADDR_OF_256B_BLOCK(channel_index) | + OFFSET_IN_256B_BLOCK(err_addr); + + /* we only save ue error information currently, ce is skipped */ + if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) + == 1) + amdgpu_umc_fill_error_record(err_data, err_addr, + retired_page, channel_index, umc_inst); + } +} + +static void umc_v8_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_v8_7_ecc_info_query_error_address(adev, + err_data, + ch_inst, + umc_inst); + } +} + static void umc_v8_7_clear_error_count_per_channel(struct amdgpu_device *adev, uint32_t umc_reg_offset) { @@ -92,7 +223,7 @@ static void umc_v8_7_clear_error_count(struct amdgpu_device *adev) uint32_t umc_reg_offset = 0; LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { - umc_reg_offset = get_umc_8_reg_offset(adev, + umc_reg_offset = get_umc_v8_7_reg_offset(adev, umc_inst, ch_inst); @@ -178,7 +309,7 @@ static void umc_v8_7_query_ras_error_count(struct amdgpu_device *adev, uint32_t umc_reg_offset = 0; LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { - umc_reg_offset = get_umc_8_reg_offset(adev, + umc_reg_offset = get_umc_v8_7_reg_offset(adev, umc_inst, ch_inst); @@ -201,7 +332,6 @@ static void umc_v8_7_query_error_address(struct amdgpu_device *adev, { uint32_t lsb, mc_umc_status_addr; uint64_t mc_umc_status, err_addr, retired_page, mc_umc_addrt0; - struct eeprom_table_record *err_rec; uint32_t channel_index = adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst]; mc_umc_status_addr = @@ -220,8 +350,6 @@ static void umc_v8_7_query_error_address(struct amdgpu_device *adev, return; } - err_rec = &err_data->err_addr[err_data->err_addr_cnt]; - /* 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 || @@ -240,18 +368,9 @@ static void umc_v8_7_query_error_address(struct amdgpu_device *adev, /* we only save ue error information currently, ce is skipped */ if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) - == 1) { - err_rec->address = err_addr; - /* page frame address is saved */ - err_rec->retired_page = retired_page >> AMDGPU_GPU_PAGE_SHIFT; - err_rec->ts = (uint64_t)ktime_get_real_seconds(); - err_rec->err_type = AMDGPU_RAS_EEPROM_ERR_NON_RECOVERABLE; - err_rec->cu = 0; - err_rec->mem_channel = channel_index; - err_rec->mcumc_id = umc_inst; - - err_data->err_addr_cnt++; - } + == 1) + amdgpu_umc_fill_error_record(err_data, err_addr, + retired_page, channel_index, umc_inst); } /* clear umc status */ @@ -268,7 +387,7 @@ static void umc_v8_7_query_ras_error_address(struct amdgpu_device *adev, uint32_t umc_reg_offset = 0; LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { - umc_reg_offset = get_umc_8_reg_offset(adev, + umc_reg_offset = get_umc_v8_7_reg_offset(adev, umc_inst, ch_inst); @@ -316,7 +435,7 @@ static void umc_v8_7_err_cnt_init(struct amdgpu_device *adev) uint32_t umc_reg_offset = 0; LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { - umc_reg_offset = get_umc_8_reg_offset(adev, + umc_reg_offset = get_umc_v8_7_reg_offset(adev, umc_inst, ch_inst); @@ -324,10 +443,16 @@ static void umc_v8_7_err_cnt_init(struct amdgpu_device *adev) } } -const struct amdgpu_umc_ras_funcs umc_v8_7_ras_funcs = { - .err_cnt_init = umc_v8_7_err_cnt_init, - .ras_late_init = amdgpu_umc_ras_late_init, - .ras_fini = amdgpu_umc_ras_fini, +const struct amdgpu_ras_block_hw_ops umc_v8_7_ras_hw_ops = { .query_ras_error_count = umc_v8_7_query_ras_error_count, .query_ras_error_address = umc_v8_7_query_ras_error_address, }; + +struct amdgpu_umc_ras umc_v8_7_ras = { + .ras_block = { + .hw_ops = &umc_v8_7_ras_hw_ops, + }, + .err_cnt_init = umc_v8_7_err_cnt_init, + .ecc_info_query_ras_error_count = umc_v8_7_ecc_info_query_ras_error_count, + .ecc_info_query_ras_error_address = umc_v8_7_ecc_info_query_ras_error_address, +}; |