diff options
| author | YiPeng Chai <YiPeng.Chai@amd.com> | 2024-07-11 16:14:22 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-07-23 17:32:14 -0400 |
| commit | 56631dee2932dbc203f0abd1011aa9d3d621e206 (patch) | |
| tree | ab94d0073118a06a66545705e6e63b3f093ae3b4 /drivers/gpu/drm/amd/amdgpu/umc_v12_0.c | |
| parent | 27cdf8c3cae2ad1dbfe1a32ff999c98349366862 (diff) | |
drm/amdgpu: optimize logging deferred error info
1. Use pa_pfn as the radix-tree key index to log
deferred error info.
2. Use local array to store a row of bad pages.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v12_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/umc_v12_0.c | 65 |
1 files changed, 31 insertions, 34 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c index 54d9f0a44f18..0e6c3ce3ea8f 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c @@ -524,9 +524,9 @@ static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev, struct amdgpu_ras *con = amdgpu_ras_get_context(adev); uint16_t hwid, mcatype; uint64_t page_pfn[UMC_V12_0_BAD_PAGE_NUM_PER_CHANNEL]; - uint64_t err_addr, hash_val = 0, pa_addr = 0; + uint64_t err_addr, pa_addr = 0; struct ras_ecc_err *ecc_err; - int count, ret; + int count, ret, i; hwid = REG_GET_FIELD(ipid, MCMP1_IPIDT0, HardwareID); mcatype = REG_GET_FIELD(ipid, MCMP1_IPIDT0, McaType); @@ -559,39 +559,18 @@ static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev, if (ret) return ret; - memset(page_pfn, 0, sizeof(page_pfn)); - count = umc_v12_0_lookup_bad_pages_in_a_row(adev, - pa_addr, - page_pfn, ARRAY_SIZE(page_pfn)); - if (count <= 0) { - dev_warn(adev->dev, "Fail to convert error address! count:%d\n", count); - return 0; - } - - ret = amdgpu_umc_build_pages_hash(adev, - page_pfn, count, &hash_val); - if (ret) { - dev_err(adev->dev, "Fail to build error pages hash\n"); - return ret; - } - ecc_err = kzalloc(sizeof(*ecc_err), GFP_KERNEL); if (!ecc_err) return -ENOMEM; - ecc_err->err_pages.pfn = kcalloc(count, sizeof(*ecc_err->err_pages.pfn), GFP_KERNEL); - if (!ecc_err->err_pages.pfn) { - kfree(ecc_err); - return -ENOMEM; - } - - memcpy(ecc_err->err_pages.pfn, page_pfn, count * sizeof(*ecc_err->err_pages.pfn)); - ecc_err->err_pages.count = count; - - ecc_err->hash_index = hash_val; ecc_err->status = status; ecc_err->ipid = ipid; ecc_err->addr = addr; + ecc_err->pa_pfn = UMC_V12_ADDR_MASK_BAD_COLS(pa_addr) >> AMDGPU_GPU_PAGE_SHIFT; + + /* If converted pa_pfn is 0, use pa C4 pfn. */ + if (!ecc_err->pa_pfn) + ecc_err->pa_pfn = BIT_ULL(UMC_V12_0_PA_C4_BIT) >> AMDGPU_GPU_PAGE_SHIFT; ret = amdgpu_umc_logs_ecc_err(adev, &con->umc_ecc_log.de_page_tree, ecc_err); if (ret) { @@ -600,13 +579,25 @@ static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev, else dev_err(adev->dev, "Fail to log ecc error! ret:%d\n", ret); - kfree(ecc_err->err_pages.pfn); kfree(ecc_err); return ret; } con->umc_ecc_log.de_queried_count++; + memset(page_pfn, 0, sizeof(page_pfn)); + count = umc_v12_0_lookup_bad_pages_in_a_row(adev, + pa_addr, + page_pfn, ARRAY_SIZE(page_pfn)); + if (count <= 0) { + dev_warn(adev->dev, "Fail to convert error address! count:%d\n", count); + return 0; + } + + /* Reserve memory */ + for (i = 0; i < count; i++) + amdgpu_ras_reserve_page(adev, page_pfn[i]); + /* The problem case is as follows: * 1. GPU A triggers a gpu ras reset, and GPU A drives * GPU B to also perform a gpu ras reset. @@ -631,16 +622,21 @@ static int umc_v12_0_fill_error_record(struct amdgpu_device *adev, struct ras_ecc_err *ecc_err, void *ras_error_status) { struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; - uint32_t i = 0; - int ret = 0; + uint64_t page_pfn[UMC_V12_0_BAD_PAGE_NUM_PER_CHANNEL]; + int ret, i, count; if (!err_data || !ecc_err) return -EINVAL; - for (i = 0; i < ecc_err->err_pages.count; i++) { + memset(page_pfn, 0, sizeof(page_pfn)); + count = umc_v12_0_lookup_bad_pages_in_a_row(adev, + ecc_err->pa_pfn << AMDGPU_GPU_PAGE_SHIFT, + page_pfn, ARRAY_SIZE(page_pfn)); + + for (i = 0; i < count; i++) { ret = amdgpu_umc_fill_error_record(err_data, ecc_err->addr, - ecc_err->err_pages.pfn[i] << AMDGPU_GPU_PAGE_SHIFT, + page_pfn[i] << AMDGPU_GPU_PAGE_SHIFT, MCA_IPID_2_UMC_CH(ecc_err->ipid), MCA_IPID_2_UMC_INST(ecc_err->ipid)); if (ret) @@ -674,7 +670,8 @@ static void umc_v12_0_query_ras_ecc_err_addr(struct amdgpu_device *adev, dev_err(adev->dev, "Fail to fill umc error record, ret:%d\n", ret); break; } - radix_tree_tag_clear(ecc_tree, entries[i]->hash_index, UMC_ECC_NEW_DETECTED_TAG); + radix_tree_tag_clear(ecc_tree, + entries[i]->pa_pfn, UMC_ECC_NEW_DETECTED_TAG); } mutex_unlock(&con->umc_ecc_log.lock); } |