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soc: rockchip: system_monitor: Add fb notifier

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Change-Id: I8c3f2f145bb0c99d5aa8c28422606a6af1a82b09
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2019-04-03 11:58:59 +08:00
committed by Tao Huang
parent 72b246bef0
commit 267d231cec
2 changed files with 39 additions and 38 deletions
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38
drivers/devfreq/rockchip_dmc.c
View File

@@ -25,7 +25,6 @@
#include <linux/devfreq.h>
#include <linux/devfreq_cooling.h>
#include <linux/devfreq-event.h>
#include <linux/fb.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
@@ -1116,7 +1115,6 @@ struct rockchip_dmcfreq {
struct dram_timing *timing;
struct regulator *vdd_center;
struct notifier_block status_nb;
struct notifier_block fb_nb;
struct list_head video_info_list;
struct freq_map_table *vop_bw_tbl;
struct work_struct boost_work;
@@ -2830,37 +2828,6 @@ next:
return NOTIFY_OK;
}
static int rockchip_dmcfreq_fb_notifier(struct notifier_block *nb,
unsigned long action, void *ptr)
{
struct fb_event *event = ptr;
switch (action) {
case FB_EARLY_EVENT_BLANK:
switch (*((int *)event->data)) {
case FB_BLANK_UNBLANK:
rockchip_clear_system_status(SYS_STATUS_SUSPEND);
break;
default:
break;
}
break;
case FB_EVENT_BLANK:
switch (*((int *)event->data)) {
case FB_BLANK_POWERDOWN:
rockchip_set_system_status(SYS_STATUS_SUSPEND);
break;
default:
break;
}
break;
default:
break;
}
return NOTIFY_OK;
}
static ssize_t rockchip_dmcfreq_status_show(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -3411,11 +3378,6 @@ static void rockchip_dmcfreq_register_notifier(struct rockchip_dmcfreq *dmcfreq)
if (ret)
dev_err(dmcfreq->dev, "failed to register system_status nb\n");
dmcfreq->fb_nb.notifier_call = rockchip_dmcfreq_fb_notifier;
ret = fb_register_client(&dmcfreq->fb_nb);
if (ret)
dev_err(dmcfreq->dev, "failed to register fb nb\n");
dmc_mdevp.data = dmcfreq->devfreq;
dmcfreq->mdev_info = rockchip_system_monitor_register(dmcfreq->dev,
&dmc_mdevp);

39
drivers/soc/rockchip/rockchip_system_monitor.c
View File

@@ -8,6 +8,7 @@
#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/device.h>
#include <linux/fb.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
@@ -1368,6 +1369,41 @@ static struct notifier_block rockchip_monitor_reboot_nb = {
.notifier_call = rockchip_monitor_reboot_notifier,
};
static int rockchip_monitor_fb_notifier(struct notifier_block *nb,
unsigned long action, void *ptr)
{
struct fb_event *event = ptr;
switch (action) {
case FB_EARLY_EVENT_BLANK:
switch (*((int *)event->data)) {
case FB_BLANK_UNBLANK:
rockchip_clear_system_status(SYS_STATUS_SUSPEND);
break;
default:
break;
}
break;
case FB_EVENT_BLANK:
switch (*((int *)event->data)) {
case FB_BLANK_POWERDOWN:
rockchip_set_system_status(SYS_STATUS_SUSPEND);
break;
default:
break;
}
break;
default:
break;
}
return NOTIFY_OK;
}
static struct notifier_block rockchip_monitor_fb_nb = {
.notifier_call = rockchip_monitor_fb_notifier,
};
static int rockchip_system_monitor_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -1408,6 +1444,9 @@ static int rockchip_system_monitor_probe(struct platform_device *pdev)
register_reboot_notifier(&rockchip_monitor_reboot_nb);
if (fb_register_client(&rockchip_monitor_fb_nb))
dev_err(dev, "failed to register fb nb\n");
dev_info(dev, "system monitor probe\n");
return 0;