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>
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 18c84b8..ecb82bb 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -1557,6 +1557,8 @@
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 @@
clk_disable(sfb->lcd_clk);
clk_disable(sfb->bus_clk);
+
+ pm_runtime_put_sync(sfb->dev);
+
return 0;
}
@@ -1582,6 +1587,8 @@
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 @@
s3c_fb_set_par(win->fbinfo);
}
+ pm_runtime_put_sync(sfb->dev);
+
return 0;
}
#endif