[CG14]: Fix NULL sbus_dev handling and colormap setup.

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/video/cg14.c

@@ -255,6 +255,9 @@ static int cg14_setcolreg(unsigned regno,
 	if (regno >= 256)
 		return 1;
 
+	red >>= 8;
+	green >>= 8;
+	blue >>= 8;
 	val = (red | (green << 8) | (blue << 16));
 
 	spin_lock_irqsave(&par->lock, flags);
@@ -322,7 +325,8 @@ static int cg14_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 			break;
 
 		case MDI_16_PIX:
-			cur_mode |= 0x20;
+			cur_mode |= (CG14_MCR_PIXMODE_16 <<
+				     CG14_MCR_PIXMODE_SHIFT);
 			break;
 
 		case MDI_8_PIX:
@@ -341,7 +345,7 @@ static int cg14_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 
 	default:
 		ret = sbusfb_ioctl_helper(cmd, arg, info,
-					  FBTYPE_MDICOLOR, 24, par->fbsize);
+					  FBTYPE_MDICOLOR, 8, par->fbsize);
 		break;
 	};
 
@@ -355,11 +359,16 @@ static int cg14_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 static void cg14_init_fix(struct fb_info *info, int linebytes)
 {
 	struct cg14_par *par = (struct cg14_par *)info->par;
+	const char *name;
+
+	name = "cgfourteen";
+	if (par->sdev)
+		name = par->sdev->prom_name;
 
-	strlcpy(info->fix.id, par->sdev->prom_name, sizeof(info->fix.id));
+	strlcpy(info->fix.id, name, sizeof(info->fix.id));
 
 	info->fix.type = FB_TYPE_PACKED_PIXELS;
-	info->fix.visual = FB_VISUAL_TRUECOLOR;
+	info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
 
 	info->fix.line_length = linebytes;
 
@@ -484,8 +493,11 @@ static void cg14_init_one(struct sbus_dev *sdev, int node, int parent_node)
 	spin_lock_init(&all->par.lock);
 
 	sbusfb_fill_var(&all->info.var, node, 8);
+	all->info.var.red.length = 8;
+	all->info.var.green.length = 8;
+	all->info.var.blue.length = 8;
 
-	linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
+	linebytes = prom_getintdefault(node, "linebytes",
 				       all->info.var.xres);
 	all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
 
@@ -561,6 +573,7 @@ static void cg14_init_one(struct sbus_dev *sdev, int node, int parent_node)
 		kfree(all);
 		return;
 	}
+	fb_set_cmap(&all->info.cmap, &all->info);
 
 	cg14_init_fix(&all->info, linebytes);
 
@@ -573,8 +586,8 @@ static void cg14_init_one(struct sbus_dev *sdev, int node, int parent_node)
 
 	list_add(&all->list, &cg14_list);
 
-	printk("cg14: cgfourteen at %lx:%lx\n",
-	       all->par.physbase, all->par.iospace);
+	printk("cg14: cgfourteen at %lx:%lx, %dMB\n",
+	       all->par.iospace, all->par.physbase, all->par.ramsize >> 20);
 
 }