Add variable to record the deferred error number read by driver. Signed-off-by: YiPeng Chai <YiPeng.Chai@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 62 ++++++++++++++++++------- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h | 3 +- drivers/gpu/drm/amd/amdgpu/umc_v12_0.c | 4 +- 3 files changed, 48 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 86cb97d2155b..f674e34037b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -120,7 +120,7 @@ const char *get_ras_block_str(struct ras_common_if *ras_block) /* typical ECC bad page rate is 1 bad page per 100MB VRAM */ #define RAS_BAD_PAGE_COVER (100 * 1024 * 1024ULL) -#define MAX_UMC_POISON_POLLING_TIME_ASYNC 100 //ms +#define MAX_UMC_POISON_POLLING_TIME_ASYNC 300 //ms #define AMDGPU_RAS_RETIRE_PAGE_INTERVAL 100 //ms @@ -2804,7 +2804,8 @@ static void amdgpu_ras_ecc_log_init(struct ras_ecc_log_info *ecc_log) memset(&ecc_log->ecc_key, 0xad, sizeof(ecc_log->ecc_key)); INIT_RADIX_TREE(&ecc_log->de_page_tree, GFP_KERNEL); - ecc_log->de_updated = false; + ecc_log->de_queried_count = 0; + ecc_log->prev_de_queried_count = 0; } static void amdgpu_ras_ecc_log_fini(struct ras_ecc_log_info *ecc_log) @@ -2823,7 +2824,8 @@ static void amdgpu_ras_ecc_log_fini(struct ras_ecc_log_info *ecc_log) mutex_unlock(&ecc_log->lock); mutex_destroy(&ecc_log->lock); - ecc_log->de_updated = false; + ecc_log->de_queried_count = 0; + ecc_log->prev_de_queried_count = 0; } #endif @@ -2856,40 +2858,64 @@ static void amdgpu_ras_do_page_retirement(struct work_struct *work) mutex_unlock(&con->umc_ecc_log.lock); } -static void amdgpu_ras_poison_creation_handler(struct amdgpu_device *adev, - uint32_t timeout_ms) +static int amdgpu_ras_poison_creation_handler(struct amdgpu_device *adev, + uint32_t poison_creation_count) { int ret = 0; struct ras_ecc_log_info *ecc_log; struct ras_query_if info; - uint32_t timeout = timeout_ms; + uint32_t timeout = 0; struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); + uint64_t de_queried_count; + uint32_t new_detect_count, total_detect_count; + uint32_t need_query_count = poison_creation_count; + bool query_data_timeout = false; memset(&info, 0, sizeof(info)); info.head.block = AMDGPU_RAS_BLOCK__UMC; ecc_log = &ras->umc_ecc_log; - ecc_log->de_updated = false; + total_detect_count = 0; 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; + if (ret) + return ret; + + de_queried_count = ecc_log->de_queried_count; + if (de_queried_count > ecc_log->prev_de_queried_count) { + new_detect_count = de_queried_count - ecc_log->prev_de_queried_count; + ecc_log->prev_de_queried_count = de_queried_count; + timeout = 0; + } else { + new_detect_count = 0; } - if (timeout && !ecc_log->de_updated) { - msleep(1); - timeout--; + if (new_detect_count) { + total_detect_count += new_detect_count; + } else { + if (!timeout && need_query_count) + timeout = MAX_UMC_POISON_POLLING_TIME_ASYNC; + + if (timeout) { + if (!--timeout) { + query_data_timeout = true; + break; + } + msleep(1); + } } - } while (timeout && !ecc_log->de_updated); + } while (total_detect_count < need_query_count); - if (timeout_ms && !timeout) { - dev_warn(adev->dev, "Can't find deferred error\n"); - return; + if (query_data_timeout) { + dev_warn(adev->dev, "Can't find deferred error! count: %u\n", + (need_query_count - total_detect_count)); + return -ENOENT; } - if (!ret) + if (total_detect_count) schedule_delayed_work(&ras->page_retirement_dwork, 0); + + return 0; } static int amdgpu_ras_poison_consumption_handler(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h index 83437fef9df5..748bbac666e6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h @@ -469,7 +469,8 @@ struct ras_ecc_log_info { struct mutex lock; siphash_key_t ecc_key; struct radix_tree_root de_page_tree; - bool de_updated; + uint64_t de_queried_count; + uint64_t prev_de_queried_count; }; struct amdgpu_ras { diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c index 6d6350f220b0..0faa21d8a7b4 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c @@ -557,7 +557,7 @@ static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev, ret = amdgpu_umc_logs_ecc_err(adev, &con->umc_ecc_log.de_page_tree, ecc_err); if (ret) { if (ret == -EEXIST) - con->umc_ecc_log.de_updated = true; + con->umc_ecc_log.de_queried_count++; else dev_err(adev->dev, "Fail to log ecc error! ret:%d\n", ret); @@ -566,7 +566,7 @@ static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev, return ret; } - con->umc_ecc_log.de_updated = true; + con->umc_ecc_log.de_queried_count++; return 0; } -- 2.34.1