Before uninstalling gpu driver, flush all cached ras
bad pages to eeprom.
Signed-off-by: YiPeng Chai <YiPeng.Chai@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 26098b03447b..1b6f5b26957b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -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 200
+
enum amdgpu_ras_retire_page_reservation {
AMDGPU_RAS_RETIRE_PAGE_RESERVED,
AMDGPU_RAS_RETIRE_PAGE_PENDING,
@@ -3176,11 +3178,26 @@ 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;
+ int 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);
+
+ 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, 0);
+ } while (ret && max_flush_timeout--);
+
if (con->page_retirement_thread)
kthread_stop(con->page_retirement_thread);
--
2.34.1
