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| author | davidycchen <davidycchen@google.com> | 2022-02-21 14:54:01 +0800 |
|---|---|---|
| committer | Yen-Chao Chen <davidycchen@google.com> | 2022-02-21 07:01:06 +0000 |
| commit | a2a6d77276ead3abb9200d417906641cf2dbb0af (patch) | |
| tree | 8d43ddcdf19784ae9c86bb8bbf5f0c857b8bcf0f | |
| parent | ad52eb1eff09a5123daa1a20ad69885ee1f97221 (diff) | |
| download | synaptics_touch-a2a6d77276ead3abb9200d417906641cf2dbb0af.tar.gz | |
synaptics: add cpu_latency_qos request during irq
Bug: 199104314
Signed-off-by: davidycchen <davidycchen@google.com>
Change-Id: I05cccd8202e81b6ff71f11f763046a39c1514ea0
| -rw-r--r-- | syna_tcm2.c | 8 | ||||
| -rw-r--r-- | syna_tcm2.h | 4 |
2 files changed, 12 insertions, 0 deletions
diff --git a/syna_tcm2.c b/syna_tcm2.c index dc76ddd..9a8159d 100644 --- a/syna_tcm2.c +++ b/syna_tcm2.c @@ -1136,6 +1136,8 @@ static irqreturn_t syna_dev_interrupt_thread(int irq, void *data) struct syna_hw_attn_data *attn = &tcm->hw_if->bdata_attn; struct tcm_dev *tcm_dev = tcm->tcm_dev; + cpu_latency_qos_update_request(&tcm->pm_qos_req, 100 /* usec */); + /* It is possible that interrupts were disabled while the handler is * executing, before acquiring the mutex. If so, simply return. */ @@ -1271,6 +1273,7 @@ static irqreturn_t syna_dev_interrupt_thread(int irq, void *data) exit: syna_set_bus_ref(tcm, SYNA_BUS_REF_IRQ, false); + cpu_latency_qos_update_request(&tcm->pm_qos_req, PM_QOS_DEFAULT_VALUE); return IRQ_HANDLED; } @@ -2423,6 +2426,8 @@ static int syna_dev_probe(struct platform_device *pdev) init_completion(&tcm->bus_resumed); complete_all(&tcm->bus_resumed); + cpu_latency_qos_add_request(&tcm->pm_qos_req, PM_QOS_DEFAULT_VALUE); + #if IS_ENABLED(CONFIG_TOUCHSCREEN_TBN) if (register_tbn(&tcm->tbn_register_mask)) { retval = -ENODEV; @@ -2584,6 +2589,8 @@ err_connect: if (tcm->tbn_register_mask) unregister_tbn(&tcm->tbn_register_mask); #endif + cpu_latency_qos_remove_request(&tcm->pm_qos_req); + if (tcm->event_wq) destroy_workqueue(tcm->event_wq); err_alloc_workqueue: @@ -2624,6 +2631,7 @@ static int syna_dev_remove(struct platform_device *pdev) if (tcm->tbn_register_mask) unregister_tbn(&tcm->tbn_register_mask); #endif + cpu_latency_qos_remove_request(&tcm->pm_qos_req); if (tcm->raw_data_buffer) kfree(tcm->raw_data_buffer); diff --git a/syna_tcm2.h b/syna_tcm2.h index 703c65c..0edfb8b 100644 --- a/syna_tcm2.h +++ b/syna_tcm2.h @@ -57,6 +57,8 @@ #include <heatmap.h> #endif +#include <linux/pm_qos.h> + #define PLATFORM_DRIVER_NAME "synaptics_tcm" #define TOUCH_INPUT_NAME "synaptics_tcm_touch" @@ -464,6 +466,8 @@ struct syna_tcm { u32 tbn_register_mask; #endif + struct pm_qos_request pm_qos_req; + /* fifo to pass the data to userspace */ unsigned int fifo_remaining_frame; struct list_head frame_fifo_queue; |