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drm/amdgpu: add poison creation handler

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Add poison creation handler.

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 2024-03-11 17:02:40 +08:00 committed by Alex Deucher
parent f493dd64ee
commit a734adfbcd
1 changed files with 69 additions and 7 deletions
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76
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@ -2076,6 +2076,17 @@ static void amdgpu_ras_interrupt_poison_creation_handler(struct ras_manager *obj
{
dev_info(obj->adev->dev,
"Poison is created\n");
if (amdgpu_ip_version(obj->adev, UMC_HWIP, 0) >= IP_VERSION(12, 0, 0)) {
struct amdgpu_ras *con = amdgpu_ras_get_context(obj->adev);
amdgpu_ras_put_poison_req(obj->adev,
AMDGPU_RAS_BLOCK__UMC, 0, NULL, NULL, false);
atomic_inc(&con->page_retirement_req_cnt);
wake_up(&con->page_retirement_wq);
}
}
static void amdgpu_ras_interrupt_umc_handler(struct ras_manager *obj,
@ -2727,7 +2738,6 @@ int amdgpu_ras_put_poison_req(struct amdgpu_device *adev,
return 0;
}
#ifdef PRE_DEFINED_FUNCTION
static int amdgpu_ras_get_poison_req(struct amdgpu_device *adev,
struct ras_poison_msg *poison_msg)
{
@ -2735,7 +2745,6 @@ static int amdgpu_ras_get_poison_req(struct amdgpu_device *adev,
return kfifo_get(&con->poison_fifo, poison_msg);
}
#endif
static void amdgpu_ras_ecc_log_init(struct ras_ecc_log_info *ecc_log)
{
@ -2766,10 +2775,54 @@ static void amdgpu_ras_ecc_log_fini(struct ras_ecc_log_info *ecc_log)
mutex_destroy(&ecc_log->lock);
ecc_log->de_updated = false;
}
static int amdgpu_ras_query_ecc_status(struct amdgpu_device *adev,
enum amdgpu_ras_block ras_block, uint32_t timeout_ms)
{
int ret = 0;
struct ras_ecc_log_info *ecc_log;
struct ras_query_if info;
uint32_t timeout = timeout_ms;
struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
memset(&info, 0, sizeof(info));
info.head.block = ras_block;
ecc_log = &ras->umc_ecc_log;
ecc_log->de_updated = false;
do {
ret = amdgpu_ras_query_error_status(adev, &info);
if (ret) {
dev_err(adev->dev, "Failed to query ras error! ret:%d\n", ret);
return ret;
}
if (timeout && !ecc_log->de_updated) {
msleep(1);
timeout--;
}
} while (timeout && !ecc_log->de_updated);
if (timeout_ms && !timeout) {
dev_warn(adev->dev, "Can't find deferred error\n");
return -ETIMEDOUT;
}
return 0;
}
static void amdgpu_ras_poison_creation_handler(struct amdgpu_device *adev,
uint32_t timeout)
{
amdgpu_ras_query_ecc_status(adev, AMDGPU_RAS_BLOCK__UMC, timeout);
}
static int amdgpu_ras_page_retirement_thread(void *param)
{
struct amdgpu_device *adev = (struct amdgpu_device *)param;
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
struct ras_poison_msg poison_msg;
enum amdgpu_ras_block ras_block;
while (!kthread_should_stop()) {
@ -2780,13 +2833,22 @@ static int amdgpu_ras_page_retirement_thread(void *param)
if (kthread_should_stop())
break;
dev_info(adev->dev, "Start processing page retirement. request:%d\n",
atomic_read(&con->page_retirement_req_cnt));
atomic_dec(&con->page_retirement_req_cnt);
amdgpu_umc_bad_page_polling_timeout(adev,
0, MAX_UMC_POISON_POLLING_TIME_ASYNC);
if (!amdgpu_ras_get_poison_req(adev, &poison_msg))
continue;
ras_block = poison_msg.block;
dev_info(adev->dev, "Start processing ras block %s(%d)\n",
ras_block_str(ras_block), ras_block);
if (ras_block == AMDGPU_RAS_BLOCK__UMC)
amdgpu_ras_poison_creation_handler(adev,
MAX_UMC_POISON_POLLING_TIME_ASYNC);
else
amdgpu_umc_bad_page_polling_timeout(adev,
false, MAX_UMC_POISON_POLLING_TIME_ASYNC);
}
return 0;