Commit b925a0cc authored by Weili Qian's avatar Weili Qian Committed by Herbert Xu

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: default avatarWeili Qian <qianweili@huawei.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 4b3ee3ff
......@@ -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)
......
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