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qcacmn: Ring IPA TX doorbell with HW HP value

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Ring IPA TX doorbell with HW HP value to avoid out-of-sync
scenarios between WLAN and IPA after IPA pipes are disabled
and then re-enabled.

CRs-Fixed: 3479426
Change-Id: Ia88c0228759e241722fe31fd1a252e70484684e9
This commit is contained in:
Jia Ding
2023-10-16 11:15:19 +08:00
committed by Ravindra Konda
parent e0e57bd21b
commit 813e5ff2ec
3 changed files with 61 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
dp/wifi3.0/dp_ipa.c
View File

@@ -1059,6 +1059,23 @@ static void dp_ipa_tx_comp_ring_init_hp(struct dp_soc *soc,
res->tx_alt_comp_doorbell_vaddr);
}
static void
dp_ipa_tx_comp_ring_update_hp_addr(struct dp_soc *soc,
struct dp_ipa_resources *res)
{
hal_ring_handle_t wbm_srng;
/* Ring doorbell to WBM2IPA ring with current HW HP value */
wbm_srng = soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
hal_srng_dst_update_hp_addr(soc->hal_soc, wbm_srng);
if (!res->tx_alt_comp_doorbell_paddr)
return;
wbm_srng = soc->tx_comp_ring[IPA_TX_ALT_COMP_RING_IDX].hal_srng;
hal_srng_dst_update_hp_addr(soc->hal_soc, wbm_srng);
}
static void dp_ipa_set_tx_doorbell_paddr(struct dp_soc *soc,
struct dp_ipa_resources *ipa_res)
{
@@ -1255,6 +1272,17 @@ static inline void dp_ipa_tx_comp_ring_init_hp(struct dp_soc *soc,
res->tx_comp_doorbell_vaddr);
}
static void
dp_ipa_tx_comp_ring_update_hp_addr(struct dp_soc *soc,
struct dp_ipa_resources *res)
{
hal_ring_handle_t wbm_srng;
/* Ring doorbell to WBM2IPA ring with current HW HP value */
wbm_srng = soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
hal_srng_dst_update_hp_addr(soc->hal_soc, wbm_srng);
}
static void dp_ipa_set_tx_doorbell_paddr(struct dp_soc *soc,
struct dp_ipa_resources *ipa_res)
{
@@ -3500,6 +3528,8 @@ QDF_STATUS dp_ipa_enable_pipes(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
if (soc->ipa_first_tx_db_access) {
dp_ipa_tx_comp_ring_init_hp(soc, ipa_res);
soc->ipa_first_tx_db_access = false;
} else {
dp_ipa_tx_comp_ring_update_hp_addr(soc, ipa_res);
}
return QDF_STATUS_SUCCESS;

10
hal/wifi3.0/hal_api.h
View File

@@ -1302,6 +1302,16 @@ void hal_srng_dst_init_hp(struct hal_soc_handle *hal_soc,
struct hal_srng *srng,
uint32_t *vaddr);
/**
* hal_srng_dst_update_hp_addr() - Update hp_addr with current HW HP value
* @hal_soc: hal_soc handle
* @hal_ring_hdl: Opaque HAL SRNG pointer
*
* Return: None
*/
void hal_srng_dst_update_hp_addr(struct hal_soc_handle *hal_soc,
hal_ring_handle_t hal_ring_hdl);
/**
* hal_srng_cleanup() - Deinitialize HW SRNG ring.
* @hal_soc: Opaque HAL SOC handle

21
hal/wifi3.0/hal_srng.c
View File

@@ -1465,6 +1465,27 @@ void hal_srng_dst_init_hp(struct hal_soc_handle *hal_soc,
qdf_export_symbol(hal_srng_dst_init_hp);
void hal_srng_dst_update_hp_addr(struct hal_soc_handle *hal_soc,
hal_ring_handle_t hal_ring_hdl)
{
struct hal_srng *srng = (struct hal_srng *)hal_ring_hdl;
int32_t hw_hp;
int32_t hw_tp;
if (!srng)
return;
if (srng->u.dst_ring.hp_addr) {
hal_get_hw_hptp(hal_soc, hal_ring_hdl, &hw_hp, &hw_tp,
WBM2SW_RELEASE);
*srng->u.dst_ring.hp_addr = hw_hp;
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
"hw_hp=%d", hw_hp);
}
}
qdf_export_symbol(hal_srng_dst_update_hp_addr);
/**
* hal_srng_hw_init - Private function to initialize SRNG HW
* @hal: HAL SOC handle