---

yaml --- r: 83569 b: refs/heads/master c: b1230ee h: refs/heads/master i: 83567: 7ec3302 v: v3
git-mirror · Feb 6, 2008 · 5ce4c9a · 5ce4c9a
1 parent aacf2d0
commit 5ce4c9a
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dfcffa467b4112fa6f1631c9d6bf7759c3bbe75a
+refs/heads/master: b1230ee50a9903a987feaad767fb71e2fd173894
diff --git a/trunk/drivers/video/sm501fb.c b/trunk/drivers/video/sm501fb.c
@@ -1276,6 +1276,7 @@ static int sm501fb_start(struct sm501fb_info *info,
 {
 	struct resource	*res;
 	struct device *dev;
+	int k;
 	int ret;
 
 	info->dev = dev = &pdev->dev;
@@ -1337,6 +1338,13 @@ static int sm501fb_start(struct sm501fb_info *info,
 
 	info->fbmem_len = (res->end - res->start)+1;
 
+	/* clear framebuffer memory - avoids garbage data on unused fb */
+	memset(info->fbmem, 0, info->fbmem_len);
+
+	/* clear palette ram - undefined at power on */
+	for (k = 0; k < (256 * 3); k++)
+		writel(0, info->regs + SM501_DC_PANEL_PALETTE + (k * 4));
+
 	/* enable display controller */
 	sm501_unit_power(dev->parent, SM501_GATE_DISPLAY, 1);