video: s3c-fb: add runtime_get/put to suspend/resume
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>
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@ -1557,6 +1557,8 @@ static int s3c_fb_suspend(struct device *dev)
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struct s3c_fb_win *win;
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int win_no;
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pm_runtime_get_sync(sfb->dev);
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for (win_no = S3C_FB_MAX_WIN - 1; win_no >= 0; win_no--) {
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win = sfb->windows[win_no];
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if (!win)
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@ -1570,6 +1572,9 @@ static int s3c_fb_suspend(struct device *dev)
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clk_disable(sfb->lcd_clk);
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clk_disable(sfb->bus_clk);
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pm_runtime_put_sync(sfb->dev);
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return 0;
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}
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@ -1582,6 +1587,8 @@ static int s3c_fb_resume(struct device *dev)
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int win_no;
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u32 reg;
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pm_runtime_get_sync(sfb->dev);
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clk_enable(sfb->bus_clk);
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if (!sfb->variant.has_clksel)
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@ -1628,6 +1635,8 @@ static int s3c_fb_resume(struct device *dev)
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s3c_fb_set_par(win->fbinfo);
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}
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pm_runtime_put_sync(sfb->dev);
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return 0;
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}
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#endif
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