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drm/amdgpu: flush all cached ras bad pages to eeprom

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Before uninstalling gpu driver, flush all cached ras
bad pages to eeprom.

v2:
  Put the same code into a function and reuse the function.

Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
YiPeng Chai 2024-07-02 18:16:52 +08:00 committed by Alex Deucher
parent c39385710c
commit c04706914d
1 changed files with 29 additions and 6 deletions
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35
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@ -124,6 +124,8 @@ const char *get_ras_block_str(struct ras_common_if *ras_block)
#define AMDGPU_RAS_RETIRE_PAGE_INTERVAL 100 //ms
#define MAX_FLUSH_RETIRE_DWORK_TIMES 100
enum amdgpu_ras_retire_page_reservation {
AMDGPU_RAS_RETIRE_PAGE_RESERVED,
AMDGPU_RAS_RETIRE_PAGE_PENDING,
@ -2907,6 +2909,23 @@ static void amdgpu_ras_ecc_log_fini(struct ras_ecc_log_info *ecc_log)
ecc_log->prev_de_queried_count = 0;
}
static bool amdgpu_ras_schedule_retirement_dwork(struct amdgpu_ras *con,
uint32_t delayed_ms)
{
int ret;
mutex_lock(&con->umc_ecc_log.lock);
ret = radix_tree_tagged(&con->umc_ecc_log.de_page_tree,
UMC_ECC_NEW_DETECTED_TAG);
mutex_unlock(&con->umc_ecc_log.lock);
if (ret)
schedule_delayed_work(&con->page_retirement_dwork,
msecs_to_jiffies(delayed_ms));
return ret ? true : false;
}
static void amdgpu_ras_do_page_retirement(struct work_struct *work)
{
struct amdgpu_ras *con = container_of(work, struct amdgpu_ras,
@ -2928,12 +2947,8 @@ static void amdgpu_ras_do_page_retirement(struct work_struct *work)
if (err_cnt && con->is_rma)
amdgpu_ras_reset_gpu(adev);
mutex_lock(&con->umc_ecc_log.lock);
if (radix_tree_tagged(&con->umc_ecc_log.de_page_tree,
UMC_ECC_NEW_DETECTED_TAG))
schedule_delayed_work(&con->page_retirement_dwork,
msecs_to_jiffies(AMDGPU_RAS_RETIRE_PAGE_INTERVAL));
mutex_unlock(&con->umc_ecc_log.lock);
amdgpu_ras_schedule_retirement_dwork(con,
AMDGPU_RAS_RETIRE_PAGE_INTERVAL);
}
static int amdgpu_ras_poison_creation_handler(struct amdgpu_device *adev,
@ -3237,11 +3252,19 @@ static int amdgpu_ras_recovery_fini(struct amdgpu_device *adev)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
struct ras_err_handler_data *data = con->eh_data;
int max_flush_timeout = MAX_FLUSH_RETIRE_DWORK_TIMES;
bool ret;
/* recovery_init failed to init it, fini is useless */
if (!data)
return 0;
/* Save all cached bad pages to eeprom */
do {
flush_delayed_work(&con->page_retirement_dwork);
ret = amdgpu_ras_schedule_retirement_dwork(con, 0);
} while (ret && max_flush_timeout--);
if (con->page_retirement_thread)
kthread_stop(con->page_retirement_thread);