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video/rockchip: rga: add pm_runtime funtion

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Change-Id: I73e6dbb13a366664c4e530f7e35d42feefef765c
Signed-off-by: Putin Lee <putin.li@rock-chips.com>
This commit is contained in:
Putin Lee
2017-11-21 21:37:10 +08:00
committed by Tao Huang
parent 4961c3cae0
commit 593f4a7059
1 changed files with 20 additions and 0 deletions
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20
drivers/video/rockchip/rga/rga_drv.c
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@@ -43,6 +43,8 @@
#include <linux/fb.h>
#include <linux/wakelock.h>
#include <linux/dma-buf.h>
#include <linux/pm_runtime.h>
#include <linux/version.h>
#if defined(CONFIG_ION_ROCKCHIP)
#include <linux/rockchip_ion.h>
#endif
@@ -282,6 +284,11 @@ static void rga_power_on(void)
clk_prepare_enable(drvdata->aclk_rga);
clk_prepare_enable(drvdata->hclk_rga);
//clk_prepare_enable(drvdata->pd_rga);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
pm_runtime_get_sync(drvdata->dev);
#endif
wake_lock(&drvdata->wake_lock);
rga_service.enable = true;
}
@@ -303,6 +310,11 @@ static void rga_power_off(void)
rga_dump();
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
pm_runtime_put(drvdata->dev);
#endif
//clk_disable_unprepare(drvdata->pd_rga);
clk_disable_unprepare(drvdata->aclk_rga);
clk_disable_unprepare(drvdata->hclk_rga);
@@ -1425,6 +1437,10 @@ static int rga_drv_probe(struct platform_device *pdev)
goto err_misc_register;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
pm_runtime_enable(&pdev->dev);
#endif
pr_info("Driver loaded succesfully\n");
return 0;
@@ -1455,6 +1471,10 @@ static int rga_drv_remove(struct platform_device *pdev)
devm_clk_put(&pdev->dev, data->aclk_rga);
devm_clk_put(&pdev->dev, data->hclk_rga);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
pm_runtime_disable(&pdev->dev);
#endif
//kfree(data);
return 0;
}