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gpu: add delay early_suspend for Camera App

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This commit is contained in:
杜坤明
2011-04-20 12:12:37 +08:00
parent a214405302
commit 3f827c4528
2 changed files with 47 additions and 3 deletions
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8
drivers/staging/rk29/vivante/hal/inc/gc_hal_options.h
View File

@@ -274,5 +274,13 @@
*/
#define gcdENABLE_MEM_CACHE 2
/*
gcdENABLE_DELAY_EARLY_SUSPEND
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<20><><EFBFBD><EFBFBD>gpu_early_suspend<6E><64><EFBFBD><EFBFBD>ִ<EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD>û<EFBFBD><C3BB>̵߳<DFB3><CCB5><EFBFBD><EFBFBD>黹<EFBFBD><E9BBB9><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD>
*/
#define gcdENABLE_DELAY_EARLY_SUSPEND 0
#endif /* __gc_hal_options_h_ */

42
drivers/staging/rk29/vivante/hal/os/linux/kernel/gc_hal_kernel_driver.c
View File

@@ -26,6 +26,7 @@
#include <linux/slab.h>
#include <linux/earlysuspend.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
#include "gc_hal_kernel_linux.h"
#include "gc_hal_driver.h"
@@ -150,6 +151,22 @@ void gputimer_callback(unsigned long arg)
}
#endif
#if gcdENABLE_DELAY_EARLY_SUSPEND
struct delayed_work suspend_work;
void real_suspend(struct work_struct *work)
{
gceSTATUS status;
status = gckHARDWARE_SetPowerManagementState(galDevice->kernel->hardware, gcvPOWER_OFF);
if (gcmIS_ERROR(status))
{
printk("%s fail!\n", __func__);
return;
}
}
#endif
int drv_open(struct inode *inode, struct file* filp)
{
gcsHAL_PRIVATE_DATA_PTR private;
@@ -753,6 +770,9 @@ module_exit(drv_exit);
#if CONFIG_HAS_EARLYSUSPEND
static void gpu_early_suspend(struct early_suspend *h)
{
#if gcdENABLE_DELAY_EARLY_SUSPEND
schedule_delayed_work(&suspend_work, 5*HZ);
#else
gceSTATUS status;
status = gckHARDWARE_SetPowerManagementState(galDevice->kernel->hardware, gcvPOWER_OFF);
@@ -762,12 +782,16 @@ static void gpu_early_suspend(struct early_suspend *h)
printk("%s fail!\n", __func__);
return;
}
#endif
}
static void gpu_early_resume(struct early_suspend *h)
{
gceSTATUS status;
#if gcdENABLE_DELAY_EARLY_SUSPEND
cancel_delayed_work_sync(&suspend_work);
#endif
status = gckHARDWARE_SetPowerManagementState(galDevice->kernel->hardware, gcvPOWER_ON);
if (gcmIS_ERROR(status))
@@ -822,6 +846,10 @@ static int __devinit gpu_probe(struct platform_device *pdev)
register_early_suspend(&gpu_early_suspend_info);
#endif
#if gcdENABLE_DELAY_EARLY_SUSPEND
INIT_DELAYED_WORK(&suspend_work, real_suspend);
#endif
ret = drv_init();
if(!ret) {
platform_set_drvdata(pdev,galDevice);
@@ -835,8 +863,10 @@ gpu_probe_fail:
static int __devinit gpu_remove(struct platform_device *pdev)
{
#if gcdENABLE_DELAY_EARLY_SUSPEND
cancel_delayed_work_sync(&suspend_work);
#endif
drv_exit();
return 0;
}
@@ -844,7 +874,10 @@ static int __devinit gpu_suspend(struct platform_device *dev, pm_message_t state
{
gceSTATUS status;
gckGALDEVICE device;
#if gcdENABLE_DELAY_EARLY_SUSPEND
cancel_delayed_work_sync(&suspend_work);
#endif
device = platform_get_drvdata(dev);
status = gckHARDWARE_SetPowerManagementState(device->kernel->hardware, gcvPOWER_OFF);
@@ -878,6 +911,9 @@ static int __devinit gpu_resume(struct platform_device *dev)
static void __devinit gpu_shutdown(struct platform_device *dev)
{
#if gcdENABLE_DELAY_EARLY_SUSPEND
cancel_delayed_work_sync(&suspend_work);
#endif
drv_exit();
}