linux-kernel - [PATCH 2/2] hyperv-fb: add blanking support

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Date:	Wed,  2 Oct 2013 13:55:11 +0200
From:	Gerd Hoffmann <kraxel@...hat.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	Gerd Hoffmann <kraxel@...hat.com>,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	devel@...uxdriverproject.org (open list:Hyper-V CORE AND...),
	linux-fbdev@...r.kernel.org (open list:FRAMEBUFFER LAYER),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/2] hyperv-fb: add blanking support

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 drivers/video/hyperv_fb.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/video/hyperv_fb.c b/drivers/video/hyperv_fb.c
index 8d456dc..130708f 100644
--- a/drivers/video/hyperv_fb.c
+++ b/drivers/video/hyperv_fb.c
@@ -575,6 +575,10 @@ static int hvfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 	return 0;
 }
 
+static int hvfb_blank(int blank, struct fb_info *info)
+{
+	return 1;	/* get fb_blank to set the colormap to all black */
+}
 
 static struct fb_ops hvfb_ops = {
 	.owner = THIS_MODULE,
@@ -584,6 +588,7 @@ static struct fb_ops hvfb_ops = {
 	.fb_fillrect = cfb_fillrect,
 	.fb_copyarea = cfb_copyarea,
 	.fb_imageblit = cfb_imageblit,
+	.fb_blank = hvfb_blank,
 };
 
 
-- 
1.8.3.1

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