Thread (13 messages) flat view 13 messages, 3 authors, 2012-01-09

RE: [PATCH 6/6] video: s3c-fb: Don't keep device runtime active when

From: Jingoo Han <hidden>
Date: 2011-12-28 23:55:17
Also in: lkml

-----Original Message-----
From: Mark Brown [mailto:broonie@opensource.wolfsonmicro.com]
Sent: Tuesday, December 27, 2011 11:16 PM
To: Jingoo Han; Florian Tobias Schandinat
Cc: linux-fbdev@vger.kernel.org; linux-kernel@vger.kernel.org; Mark Brown
Subject: [PATCH 6/6] video: s3c-fb: Don't keep device runtime active when open

Allow the controller to be runtime suspended when the screen is blanked
by not taking a runtime reference while the device is open. This allows
greater system wide power savings when used with a standard application
layer and ensures that the screen does not blank unless requested.

Signed-off-by: Mark Brown <redacted>
		Acked-by: Jingoo Han [off-list ref]
quoted hunk ↗ jump to hunk
---
 drivers/video/s3c-fb.c |   22 ----------------------
 1 files changed, 0 insertions(+), 22 deletions(-)
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 84cf631..0c63b69 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -1070,30 +1070,8 @@ static int s3c_fb_ioctl(struct fb_info *info, unsigned int cmd,
 	return ret;
 }

-static int s3c_fb_open(struct fb_info *info, int user)
-{
-	struct s3c_fb_win *win = info->par;
-	struct s3c_fb *sfb = win->parent;
-
-	pm_runtime_get_sync(sfb->dev);
-
-	return 0;
-}
-
-static int s3c_fb_release(struct fb_info *info, int user)
-{
-	struct s3c_fb_win *win = info->par;
-	struct s3c_fb *sfb = win->parent;
-
-	pm_runtime_put_sync(sfb->dev);
-
-	return 0;
-}
-
 static struct fb_ops s3c_fb_ops = {
 	.owner		= THIS_MODULE,
-	.fb_open	= s3c_fb_open,
-	.fb_release	= s3c_fb_release,
 	.fb_check_var	= s3c_fb_check_var,
 	.fb_set_par	= s3c_fb_set_par,
 	.fb_blank	= s3c_fb_blank,
--
1.7.7.3
  
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