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msm: ipa: Add wrb_mod_threshold to AQC evt scratch

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Add AQC head_ptr_wrb_mod_threshold to gsi event scratch
and configure according to required value.

Change-Id: Ie1234d76b20fe9e17d5a0a295f748a5876ef4ddd
Signed-off-by: Amir Levy <alevy@codeaurora.org>
This commit is contained in:
Amir Levy
2021-04-29 08:50:32 +03:00
parent e0364fbb38
commit 3a5b18e7be
2 changed files with 19 additions and 8 deletions
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10
drivers/platform/msm/gsi/gsi.h
View File

@@ -1195,12 +1195,14 @@ struct __packed gsi_rtk_evt_scratch {
/**
* gsi_aqc_evt_scratch - AQC protocol SW config area of
* event scratch
* @reserved1: reserve bit.
* @reserved2: reserve bit.
* @head_ptr_wrb_mod_threshold: head pointer write-back moderation threshold
* @reserved1-3: reserve bit.
*/
struct __packed gsi_aqc_evt_scratch {
uint32_t reserved1;
uint32_t reserved2;
uint8_t head_ptr_wrb_mod_threshold;
uint8_t reserved1;
uint16_t reserved2;
uint32_t reserved3;
};
/**

17
drivers/platform/msm/ipa/ipa_v3/ipa_eth_i.c
View File

@@ -11,7 +11,11 @@
#define IPA_ETH_RTK_MODC (128)
#define IPA_ETH_AQC_MODT (32)
#define IPA_ETH_AQC_MODC (128)
/*
* MODC factors are the number of percents from ring len (i.e 10 is 10% of len)
*/
#define IPA_ETH_AQC_MODC_FACTOR (10)
#define AQC_WRB_MODC_FACTOR (10)
#define IPA_ETH_AGGR_PKT_LIMIT 1
@@ -605,14 +609,16 @@ static int ipa_eth_setup_aqc_gsi_channel(
gsi_evt_ring_props.intr = GSI_INTR_MSI;
gsi_evt_ring_props.re_size = GSI_EVT_RING_RE_SIZE_16B;
gsi_evt_ring_props.int_modt = IPA_ETH_AQC_MODT;
gsi_evt_ring_props.int_modc = IPA_ETH_AQC_MODC;
len = pipe->info.transfer_ring_size;
/* len / RE_SIZE == len in counts (convert from bytes) */
gsi_evt_ring_props.int_modc = len * IPA_ETH_AQC_MODC_FACTOR /
(100 * GSI_EVT_RING_RE_SIZE_16B);
gsi_evt_ring_props.exclusive = true;
gsi_evt_ring_props.err_cb = ipa_eth_gsi_evt_ring_err_cb;
gsi_evt_ring_props.user_data = NULL;
gsi_evt_ring_props.msi_addr =
bar_addr +
pipe->info.client_info.aqc.dest_tail_ptr_offs;
len = pipe->info.transfer_ring_size;
gsi_evt_ring_props.ring_len = len;
gsi_evt_ring_props.ring_base_addr =
(u64)pipe->info.transfer_ring_base;
@@ -668,7 +674,10 @@ static int ipa_eth_setup_aqc_gsi_channel(
/* write event scratch */
memset(&evt_scratch, 0, sizeof(evt_scratch));
/* nothing is needed for AQC event scratch */
if (pipe->dir == IPA_ETH_PIPE_DIR_TX)
/* len / RE_SIZE == len in counts (convert from bytes) */
evt_scratch.aqc.head_ptr_wrb_mod_threshold =
len * AQC_WRB_MODC_FACTOR / (100 * GSI_EVT_RING_RE_SIZE_16B);
/* write ch scratch */
memset(&ch_scratch, 0, sizeof(ch_scratch));