diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_4.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4.c new file mode 100644 index 000000000..6f9895cdd --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4.c @@ -0,0 +1,270 @@ +/* + * Copyright 2020 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 "amdgpu.h" +#include "sdma/sdma_4_4_0_offset.h" +#include "sdma/sdma_4_4_0_sh_mask.h" +#include "soc15.h" +#include "amdgpu_ras.h" + +#define SDMA1_REG_OFFSET 0x600 +#define SDMA2_REG_OFFSET 0x1cda0 +#define SDMA3_REG_OFFSET 0x1d1a0 +#define SDMA4_REG_OFFSET 0x1d5a0 + +/* helper function that allow only use sdma0 register offset + * to calculate register offset for all the sdma instances */ +static uint32_t sdma_v4_4_get_reg_offset(struct amdgpu_device *adev, + uint32_t instance, + uint32_t offset) +{ + uint32_t sdma_base = adev->reg_offset[SDMA0_HWIP][0][0]; + + switch (instance) { + case 0: + return (sdma_base + offset); + case 1: + return (sdma_base + SDMA1_REG_OFFSET + offset); + case 2: + return (sdma_base + SDMA2_REG_OFFSET + offset); + case 3: + return (sdma_base + SDMA3_REG_OFFSET + offset); + case 4: + return (sdma_base + SDMA4_REG_OFFSET + offset); + default: + break; + } + return 0; +} + +static const struct soc15_ras_field_entry sdma_v4_4_ras_fields[] = { + { "SDMA_MBANK_DATA_BUF0_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF0_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF1_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF1_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF2_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF2_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF3_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF3_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF4_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF4_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF5_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF5_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF6_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF6_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF7_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF7_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF8_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF8_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF9_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF9_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF10_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF10_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF11_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF11_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF12_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF12_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF13_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF13_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF14_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF14_SED), + 0, 0, + }, + { "SDMA_MBANK_DATA_BUF15_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF15_SED), + 0, 0, + }, + { "SDMA_UCODE_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_UCODE_BUF_SED), + 0, 0, + }, + { "SDMA_RB_CMD_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_RB_CMD_BUF_SED), + 0, 0, + }, + { "SDMA_IB_CMD_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_IB_CMD_BUF_SED), + 0, 0, + }, + { "SDMA_UTCL1_RD_FIFO_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_UTCL1_RD_FIFO_SED), + 0, 0, + }, + { "SDMA_UTCL1_RDBST_FIFO_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_UTCL1_RDBST_FIFO_SED), + 0, 0, + }, + { "SDMA_DATA_LUT_FIFO_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_DATA_LUT_FIFO_SED), + 0, 0, + }, + { "SDMA_SPLIT_DATA_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_SPLIT_DATA_BUF_SED), + 0, 0, + }, + { "SDMA_MC_WR_ADDR_FIFO_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_MC_WR_ADDR_FIFO_SED), + 0, 0, + }, + { "SDMA_MC_RDRET_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, regSDMA0_EDC_COUNTER2), + SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_MC_WR_ADDR_FIFO_SED), + 0, 0, + }, +}; + +static void sdma_v4_4_get_ras_error_count(struct amdgpu_device *adev, + uint32_t reg_offset, + uint32_t value, + uint32_t instance, + uint32_t *sec_count) +{ + uint32_t i; + uint32_t sec_cnt; + + /* double bits error (multiple bits) error detection is not supported */ + for (i = 0; i < ARRAY_SIZE(sdma_v4_4_ras_fields); i++) { + if (sdma_v4_4_ras_fields[i].reg_offset != reg_offset) + continue; + + /* the SDMA_EDC_COUNTER register in each sdma instance + * shares the same sed shift_mask + * */ + sec_cnt = (value & + sdma_v4_4_ras_fields[i].sec_count_mask) >> + sdma_v4_4_ras_fields[i].sec_count_shift; + if (sec_cnt) { + dev_info(adev->dev, "Detected %s in SDMA%d, SED %d\n", + sdma_v4_4_ras_fields[i].name, + instance, sec_cnt); + *sec_count += sec_cnt; + } + } +} + +static int sdma_v4_4_query_ras_error_count_by_instance(struct amdgpu_device *adev, + uint32_t instance, + void *ras_error_status) +{ + struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; + uint32_t sec_count = 0; + uint32_t reg_value = 0; + uint32_t reg_offset = 0; + + reg_offset = sdma_v4_4_get_reg_offset(adev, instance, regSDMA0_EDC_COUNTER); + reg_value = RREG32(reg_offset); + /* double bit error is not supported */ + if (reg_value) + sdma_v4_4_get_ras_error_count(adev, regSDMA0_EDC_COUNTER, reg_value, + instance, &sec_count); + + reg_offset = sdma_v4_4_get_reg_offset(adev, instance, regSDMA0_EDC_COUNTER2); + reg_value = RREG32(reg_offset); + /* double bit error is not supported */ + if (reg_value) + sdma_v4_4_get_ras_error_count(adev, regSDMA0_EDC_COUNTER2, reg_value, + instance, &sec_count); + + /* + * err_data->ue_count should be initialized to 0 + * before calling into this function + * + * SDMA RAS supports single bit uncorrectable error detection. + * So, increment uncorrectable error count. + */ + err_data->ue_count += sec_count; + + /* + * SDMA RAS does not support correctable errors. + * Set ce count to 0. + */ + err_data->ce_count = 0; + + return 0; +}; + +static void sdma_v4_4_reset_ras_error_count(struct amdgpu_device *adev) +{ + int i; + uint32_t reg_offset; + + /* write 0 to EDC_COUNTER reg to clear sdma edc counters */ + if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) { + for (i = 0; i < adev->sdma.num_instances; i++) { + reg_offset = sdma_v4_4_get_reg_offset(adev, i, regSDMA0_EDC_COUNTER); + WREG32(reg_offset, 0); + reg_offset = sdma_v4_4_get_reg_offset(adev, i, regSDMA0_EDC_COUNTER2); + WREG32(reg_offset, 0); + } + } +} + +static void sdma_v4_4_query_ras_error_count(struct amdgpu_device *adev, void *ras_error_status) +{ + int i = 0; + + for (i = 0; i < adev->sdma.num_instances; i++) { + if (sdma_v4_4_query_ras_error_count_by_instance(adev, i, ras_error_status)) { + dev_err(adev->dev, "Query ras error count failed in SDMA%d\n", i); + return; + } + } + +} + +const struct amdgpu_ras_block_hw_ops sdma_v4_4_ras_hw_ops = { + .query_ras_error_count = sdma_v4_4_query_ras_error_count, + .reset_ras_error_count = sdma_v4_4_reset_ras_error_count, +}; + +struct amdgpu_sdma_ras sdma_v4_4_ras = { + .ras_block = { + .hw_ops = &sdma_v4_4_ras_hw_ops, + }, +}; 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