diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c index 461dfd22bc1c..7848a426c95b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c @@ -386,6 +386,46 @@ static uint32_t __correct_eeprom_dest_address(uint32_t curr_address) return curr_address; } +int amdgpu_ras_eeprom_check_err_threshold( + struct amdgpu_ras_eeprom_control *control, + bool *exceed_err_limit) +{ + struct amdgpu_device *adev = to_amdgpu_device(control); + unsigned char buff[EEPROM_ADDRESS_SIZE + + EEPROM_TABLE_HEADER_SIZE] = { 0 }; + struct amdgpu_ras_eeprom_table_header *hdr = &control->tbl_hdr; + struct i2c_msg msg = { + .addr = control->i2c_address, + .flags = I2C_M_RD, + .len = EEPROM_ADDRESS_SIZE + EEPROM_TABLE_HEADER_SIZE, + .buf = buff, + }; + int ret; + + *exceed_err_limit = false; + + /* read EEPROM table header */ + mutex_lock(&control->tbl_mutex); + ret = i2c_transfer(&adev->pm.smu_i2c, &msg, 1); + if (ret < 1) { + dev_err(adev->dev, "Failed to read EEPROM table header.\n"); + goto err; + } + + __decode_table_header_from_buff(hdr, &buff[2]); + + if (hdr->header == EEPROM_TABLE_HDR_BAD) { + dev_warn(adev->dev, "This GPU is in BAD status."); + dev_warn(adev->dev, "Please retire it or setting one bigger " + "threshold value when reloading driver.\n"); + *exceed_err_limit = true; + } + +err: + mutex_unlock(&control->tbl_mutex); + return 0; +} + int amdgpu_ras_eeprom_process_recods(struct amdgpu_ras_eeprom_control *control, struct eeprom_table_record *records, bool write, |