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video: s3c-fb: add runtime_get/put to suspend/resume

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This patch adds runtime_get/put to suspend/resume, which should be
necessary to prevent the problem to access the fimd register
without block power on.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Jingoo Han 2012-04-04 15:57:44 +09:00 committed by Florian Tobias Schandinat
parent 366ee7c228
commit 4e0dd49d2c
1 changed files with 9 additions and 0 deletions
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9
drivers/video/s3c-fb.c
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@ -1557,6 +1557,8 @@ static int s3c_fb_suspend(struct device *dev)
struct s3c_fb_win *win;
int win_no;
pm_runtime_get_sync(sfb->dev);
for (win_no = S3C_FB_MAX_WIN - 1; win_no >= 0; win_no--) {
win = sfb->windows[win_no];
if (!win)
@ -1570,6 +1572,9 @@ static int s3c_fb_suspend(struct device *dev)
clk_disable(sfb->lcd_clk);
clk_disable(sfb->bus_clk);
pm_runtime_put_sync(sfb->dev);
return 0;
}
@ -1582,6 +1587,8 @@ static int s3c_fb_resume(struct device *dev)
int win_no;
u32 reg;
pm_runtime_get_sync(sfb->dev);
clk_enable(sfb->bus_clk);
if (!sfb->variant.has_clksel)
@ -1628,6 +1635,8 @@ static int s3c_fb_resume(struct device *dev)
s3c_fb_set_par(win->fbinfo);
}
pm_runtime_put_sync(sfb->dev);
return 0;
}
#endif