1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index e1d6085bc347..8c39e4d5b08f 100644
--- a/drivers/video/sm501fb.c
+++ b/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);