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drm/amdgpu: skip writing eeprom when PMFW manages RAS data

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Only update bad page number in legacy eeprom write path.

v2: add null pointer check for con.

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
2025-09-08 20:39:49 +08:00
committed by Alex Deucher
parent 62320fb8d9
commit 541414065c
2 changed files with 22 additions and 1 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
View File

@@ -871,6 +871,18 @@ Out:
return res;
}
int amdgpu_ras_eeprom_update_record_num(struct amdgpu_ras_eeprom_control *control)
{
struct amdgpu_device *adev = to_amdgpu_device(control);
if (!amdgpu_ras_smu_eeprom_supported(adev))
return 0;
control->ras_num_recs_old = control->ras_num_recs;
return amdgpu_ras_smu_get_badpage_count(adev,
&(control->ras_num_recs), 12);
}
/**
* amdgpu_ras_eeprom_append -- append records to the EEPROM RAS table
* @control: pointer to control structure
@@ -889,12 +901,18 @@ int amdgpu_ras_eeprom_append(struct amdgpu_ras_eeprom_control *control,
const u32 num)
{
struct amdgpu_device *adev = to_amdgpu_device(control);
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
int res, i;
uint64_t nps = AMDGPU_NPS1_PARTITION_MODE;
if (!__is_ras_eeprom_supported(adev))
if (!__is_ras_eeprom_supported(adev) || !con)
return 0;
if (amdgpu_ras_smu_eeprom_supported(adev)) {
control->ras_num_bad_pages = con->bad_page_num;
return 0;
}
if (num == 0) {
dev_err(adev->dev, "will not append 0 records\n");
return -EINVAL;

3
drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h
View File

@@ -82,6 +82,7 @@ struct amdgpu_ras_eeprom_control {
/* Number of records in the table.
*/
u32 ras_num_recs;
u32 ras_num_recs_old;
/* the bad page number is ras_num_recs or
* ras_num_recs * umc.retire_unit
@@ -190,6 +191,8 @@ int amdgpu_ras_eeprom_read_idx(struct amdgpu_ras_eeprom_control *control,
struct eeprom_table_record *record, u32 rec_idx,
const u32 num);
int amdgpu_ras_eeprom_update_record_num(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;