From: Dave Airlie <airlied@redhat.com>
Date: Mon, 17 Aug 2009 00:20:47 +0000 (+1000)
Subject: drm/radeon/kms: memset the allocated framebuffer before using it.
X-Git-Tag: accepted/tizen/common/20141203.182822~14967^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bf8e828b00a5b6a0fea16f452be578c060d57d64;p=platform%2Fkernel%2Flinux-arm64.git

drm/radeon/kms: memset the allocated framebuffer before using it.

This gets rid of some ugliness, we shuold probably find a way
for the GPU to zero this.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 3206c0a..ec383ed 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -574,6 +574,8 @@ int radeonfb_create(struct radeon_device *rdev,
 		goto out_unref;
 	}
 
+	memset_io(fbptr, 0, aligned_size);
+
 	strcpy(info->fix.id, "radeondrmfb");
 	info->fix.type = FB_TYPE_PACKED_PIXELS;
 	info->fix.visual = FB_VISUAL_TRUECOLOR;