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Input: gt1x - Enable async suspend/resume on fb blank

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On rk3588-evb1-lp4-v10:
Before:
[  101.214271][ T1989] PM: suspend exit
[  101.772978][  T412] dw-mipi-dsi2 fde20000.dsi: [drm:dw_mipi_dsi2_encoder_atomic_enable] final DSI-Link bandwidth: 880000 x 4 Kbps
total: 0.558707

After:
[  266.604393][ T1971] PM: suspend exit
[  266.792421][  T410] dw-mipi-dsi2 fde20000.dsi: [drm:dw_mipi_dsi2_encoder_atomic_enable] final DSI-Link bandwidth: 880000 x 4 Kbps
total: 0.188028, save about 0.37s.

Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: I7310b11e2897c79ce8b0c61d8b98760a4f8699f3
This commit is contained in:
Tao Huang
2023-09-20 14:40:14 +08:00
parent b457b68a97
commit f12d67042f
1 changed files with 14 additions and 2 deletions
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drivers/input/touchscreen/gt1x/gt1x.c
+14 -2
View File
@@ -656,6 +656,18 @@ static int gt1x_ts_remove(struct i2c_client *client)
}
#if defined(CONFIG_FB)
#include <linux/async.h>
static void gt1x_resume_async(void *data, async_cookie_t cookie)
{
gt1x_resume();
}
static void gt1x_suspend_async(void *data, async_cookie_t cookie)
{
gt1x_suspend();
}
/* frame buffer notifier block control the suspend/resume procedure */
static struct notifier_block gt1x_fb_notifier;
static int tp_status;
@@ -686,7 +698,7 @@ static int gtp_fb_notifier_callback(struct notifier_block *noti, unsigned long e
if (*blank == FB_BLANK_UNBLANK) {
tp_status = *blank;
GTP_DEBUG("Resume by fb notifier.");
gt1x_resume();
async_schedule(gt1x_resume_async, NULL);
}
}
#endif
@@ -697,7 +709,7 @@ static int gtp_fb_notifier_callback(struct notifier_block *noti, unsigned long e
if (*blank == FB_BLANK_POWERDOWN) {
tp_status = *blank;
GTP_DEBUG("Suspend by fb notifier.");
gt1x_suspend();
async_schedule(gt1x_suspend_async, NULL);
}
}