diff options
| author | Weili Qian <qianweili@huawei.com> | 2023-07-14 19:41:37 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-07-22 13:59:39 +1200 |
| commit | b925a0cc87a1b950bc87ebf869e6d2dff0839e5f (patch) | |
| tree | 6214ffd51a742682c5c40a3c3f729faeff95686f /drivers/crypto/hisilicon | |
| parent | 4b3ee3ff2dd66b45dd5ec374a95af06eb26d35ac (diff) | |
crypto: hisilicon/qm - increase device doorbell timeout
When both the accelerator device and SMMU are busy,
the processing time of the doorbell may be prolonged.
As a result, the doorbell may timeout, especially in the sva
scenario. Therefore, the doorbell timeout is increased.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon')
| -rw-r--r-- | drivers/crypto/hisilicon/qm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index fdff87c09aaf..a99fd589445c 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -88,6 +88,8 @@ #define QM_DB_PRIORITY_SHIFT_V1 48 #define QM_PAGE_SIZE 0x0034 #define QM_QP_DB_INTERVAL 0x10000 +#define QM_DB_TIMEOUT_CFG 0x100074 +#define QM_DB_TIMEOUT_SET 0x1fffff #define QM_MEM_START_INIT 0x100040 #define QM_MEM_INIT_DONE 0x100044 @@ -5381,6 +5383,8 @@ int hisi_qm_init(struct hisi_qm *qm) goto err_pci_init; if (qm->fun_type == QM_HW_PF) { + /* Set the doorbell timeout to QM_DB_TIMEOUT_CFG ns. */ + writel(QM_DB_TIMEOUT_SET, qm->io_base + QM_DB_TIMEOUT_CFG); qm_disable_clock_gate(qm); ret = qm_dev_mem_reset(qm); if (ret) { @@ -5548,6 +5552,8 @@ static int qm_rebuild_for_resume(struct hisi_qm *qm) qm_cmd_init(qm); hisi_qm_dev_err_init(qm); + /* Set the doorbell timeout to QM_DB_TIMEOUT_CFG ns. */ + writel(QM_DB_TIMEOUT_SET, qm->io_base + QM_DB_TIMEOUT_CFG); qm_disable_clock_gate(qm); ret = qm_dev_mem_reset(qm); if (ret) |