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msm: ipa3: Decrement the IPA clock in delayed workqueue

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While handling the suspend interrupt due aggregation timeout
possible to IEOB interrupt will be delayed. To handle this
scenario adding changes to decrement clock in delays work queue.

Change-Id: I4b9afebf5a9582f6c94aa5a9cd2eb0904b7171b8
Signed-off-by: Ashok Vuyyuru <avuyyuru@codeaurora.org>
This commit is contained in:
Ashok Vuyyuru 2021-02-23 01:19:15 +05:30
parent db9f7f48ee
commit c38f66cafd
3 changed files with 26 additions and 1 deletions
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18
drivers/platform/msm/ipa/ipa_v3/ipa.c
View File

@ -131,6 +131,8 @@ static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work);
static DECLARE_DELAYED_WORK(ipa_dec_clients_disable_clks_on_wq_work,
ipa_dec_clients_disable_clks_on_wq);
static DECLARE_DELAYED_WORK(ipa_dec_clients_disable_clks_on_suspend_irq_wq_work,
ipa_dec_clients_disable_clks_on_wq);
static void ipa_inc_clients_enable_clks_on_wq(struct work_struct *work);
static DECLARE_WORK(ipa_inc_clients_enable_clks_on_wq_work,
ipa_inc_clients_enable_clks_on_wq);
@ -5573,6 +5575,22 @@ void ipa3_dec_client_disable_clks_no_block(
&ipa_dec_clients_disable_clks_on_wq_work, 0);
}
/**
* ipa3_dec_client_disable_clks_delay_wq() - Decrease active clients counter
* in delayed workqueue.
*
* Return codes:
* None
*/
void ipa3_dec_client_disable_clks_delay_wq(
struct ipa_active_client_logging_info *id, unsigned long delay)
{
ipa3_active_clients_log_dec(id, true);
if (!queue_delayed_work(ipa3_ctx->power_mgmt_wq,
&ipa_dec_clients_disable_clks_on_suspend_irq_wq_work, delay))
IPAERR("Scheduling delayed work failed\n");
}
/**
* ipa3_inc_acquire_wakelock() - Increase active clients counter, and
* acquire wakelock if necessary

2
drivers/platform/msm/ipa/ipa_v3/ipa_i.h
View File

@ -2854,6 +2854,8 @@ int ipa3_inc_client_enable_clks_no_block(struct ipa_active_client_logging_info
*id);
void ipa3_dec_client_disable_clks_no_block(
struct ipa_active_client_logging_info *id);
void ipa3_dec_client_disable_clks_delay_wq(
struct ipa_active_client_logging_info *id, unsigned long delay);
void ipa3_active_clients_log_dec(struct ipa_active_client_logging_info *id,
bool int_ctx);
void ipa3_active_clients_log_inc(struct ipa_active_client_logging_info *id,

7
drivers/platform/msm/ipa/ipa_v3/ipa_interrupts.c
View File

@ -9,6 +9,7 @@
#define INTERRUPT_WORKQUEUE_NAME "ipa_interrupt_wq"
#define DIS_SUSPEND_INTERRUPT_TIMEOUT 5
#define IPA_IRQ_NUM_MAX 32
#define IPA_AGG_BUSY_TIMEOUT (msecs_to_jiffies(5))
struct ipa3_interrupt_info {
ipa_irq_handler_t handler;
@ -322,10 +323,14 @@ static void ipa3_process_interrupts(bool isr_context)
static void ipa3_interrupt_defer(struct work_struct *work)
{
struct ipa_active_client_logging_info log_info;
IPADBG("processing interrupts in wq\n");
IPA_ACTIVE_CLIENTS_INC_SIMPLE();
ipa3_process_interrupts(false);
IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
IPA_ACTIVE_CLIENTS_PREP_SIMPLE(log_info);
/* Delay the devote process to have time to get gsi ieob irq */
ipa3_dec_client_disable_clks_delay_wq(&log_info, IPA_AGG_BUSY_TIMEOUT);
IPADBG("Done\n");
}