android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "usb: dwc3: msm: allow enter perf mode in 100ms"

Browse Source
This commit is contained in:
qctecmdr 2023-06-14 11:34:07 -07:00 committed by Gerrit - the friendly Code Review server
commit c9240db91e
1 changed files with 24 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/usb/dwc3/dwc3-msm-core.c
View File

@ -490,8 +490,14 @@ struct extcon_nb {
#define WAIT_FOR_LPM 3
#define CONN_DONE 4
#define PM_QOS_SAMPLE_SEC 2
#define PM_QOS_THRESHOLD 400
/* reduce interval which allow device enter perf mode quickly for KPI test */
#define PM_QOS_DEFAULT_SAMPLE_MS 100
/* better choose high speed data which will cover super speed, ignore low/full */
#define PM_QOS_DEFAULT_SAMPLE_THRESHOLD 200
/* below setting will be used after device enters perf mode */
#define PM_QOS_PERF_SAMPLE_MS 2000
#define PM_QOS_PERF_SAMPLE_THRESHOLD 400
struct dwc3_msm {
struct device *dev;
@ -6426,18 +6432,27 @@ static void msm_dwc3_perf_vote_work(struct work_struct *w)
perf_vote_work.work);
struct irq_desc *irq_desc = irq_to_desc(mdwc->core_irq);
unsigned int new = irq_desc->tot_count;
unsigned int count = new - mdwc->irq_cnt;
unsigned int threshold = PM_QOS_DEFAULT_SAMPLE_THRESHOLD;
unsigned long delay = PM_QOS_DEFAULT_SAMPLE_MS;
bool in_perf_mode = false;
if (new - mdwc->irq_cnt >= PM_QOS_THRESHOLD)
if (mdwc->perf_mode)
threshold = PM_QOS_PERF_SAMPLE_THRESHOLD;
if (count >= threshold)
in_perf_mode = true;
pr_debug("%s: in_perf_mode:%u, interrupts in last sample:%u\n",
__func__, in_perf_mode, new - mdwc->irq_cnt);
__func__, in_perf_mode, count);
mdwc->irq_cnt = new;
msm_dwc3_perf_vote_update(mdwc, in_perf_mode);
schedule_delayed_work(&mdwc->perf_vote_work,
msecs_to_jiffies(1000 * PM_QOS_SAMPLE_SEC));
if (in_perf_mode)
delay = PM_QOS_PERF_SAMPLE_MS;
schedule_delayed_work(&mdwc->perf_vote_work, msecs_to_jiffies(delay));
}
static void msm_dwc3_perf_vote_enable(struct dwc3_msm *mdwc, bool enable)
@ -6448,12 +6463,12 @@ static void msm_dwc3_perf_vote_enable(struct dwc3_msm *mdwc, bool enable)
/* make sure when enable work, save a valid start irq count */
mdwc->irq_cnt = irq_desc->tot_count;
/* start default mode intially */
mdwc->perf_mode = false;
cpu_latency_qos_add_request(&mdwc->pm_qos_req_dma,
PM_QOS_DEFAULT_VALUE);
/* start in perf mode for better performance initially for host/device mode */
msm_dwc3_perf_vote_update(mdwc, true);
schedule_delayed_work(&mdwc->perf_vote_work,
msecs_to_jiffies(1000 * PM_QOS_SAMPLE_SEC));
msecs_to_jiffies(PM_QOS_DEFAULT_SAMPLE_MS));
} else {
cancel_delayed_work_sync(&mdwc->perf_vote_work);
msm_dwc3_perf_vote_update(mdwc, false);