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drm/amdgpu: split ras_eeprom_init into init and check functions

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Init function is for ras table header read and check function is
responsible for the validation of the header. Call them in different
stages.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tao Zhou
2024-11-28 18:30:36 +08:00
committed by Alex Deucher
parent ea5d493498
commit 1f06e7f344
3 changed files with 33 additions and 4 deletions
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15
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
View File

@@ -3015,9 +3015,20 @@ static int amdgpu_ras_load_bad_pages(struct amdgpu_device *adev)
control->rec_type = AMDGPU_RAS_EEPROM_REC_MCA;
}
ret = amdgpu_ras_eeprom_check(control);
if (ret)
goto out;
/* HW not usable */
if (amdgpu_ras_is_rma(adev)) {
ret = -EHWPOISON;
goto out;
}
ret = amdgpu_ras_add_bad_pages(adev, bps, control->ras_num_recs, true);
}
out:
kfree(bps);
return ret;
}
@@ -3408,10 +3419,6 @@ int amdgpu_ras_init_badpage_info(struct amdgpu_device *adev)
if (ret)
return ret;
/* HW not usable */
if (amdgpu_ras_is_rma(adev))
return -EHWPOISON;
if (!adev->umc.ras || !adev->umc.ras->convert_ras_err_addr)
control->rec_type = AMDGPU_RAS_EEPROM_REC_PA;

20
drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
View File

@@ -1382,6 +1382,26 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control)
}
control->ras_fri = RAS_OFFSET_TO_INDEX(control, hdr->first_rec_offset);
return res < 0 ? res : 0;
}
int amdgpu_ras_eeprom_check(struct amdgpu_ras_eeprom_control *control)
{
struct amdgpu_device *adev = to_amdgpu_device(control);
struct amdgpu_ras_eeprom_table_header *hdr = &control->tbl_hdr;
struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
int res;
if (!__is_ras_eeprom_supported(adev))
return 0;
/* Verify i2c adapter is initialized */
if (!adev->pm.ras_eeprom_i2c_bus || !adev->pm.ras_eeprom_i2c_bus->algo)
return -ENOENT;
if (!__get_eeprom_i2c_addr(adev, control))
return -EINVAL;
if (hdr->header == RAS_TABLE_HDR_VAL) {
DRM_DEBUG_DRIVER("Found existing EEPROM table with %d records",
control->ras_num_recs);

2
drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h
View File

@@ -159,6 +159,8 @@ uint32_t amdgpu_ras_eeprom_max_record_count(struct amdgpu_ras_eeprom_control *co
void amdgpu_ras_debugfs_set_ret_size(struct amdgpu_ras_eeprom_control *control);
int amdgpu_ras_eeprom_check(struct amdgpu_ras_eeprom_control *control);
extern const struct file_operations amdgpu_ras_debugfs_eeprom_size_ops;
extern const struct file_operations amdgpu_ras_debugfs_eeprom_table_ops;