fbdev: fb_do_show_logo() updates

fb_do_show_logo() updates:
  - Use width and height of the passed image instead of the global variable
    fb_logo
  - Explicitly pass the number of logos to draw
Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: NGeoff Levand <geoffrey.levand@am.sony.com>
Acked-By: NJames Simmons <jsimmons@infradead.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/video/fbmem.c

@@ -376,37 +376,33 @@ static void fb_rotate_logo(struct fb_info *info, u8 *dst,
 }
 
 static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
-			    int rotate)
+			    int rotate, unsigned int num)
 {
-	int x;
+	unsigned int x;
 
 	if (rotate == FB_ROTATE_UR) {
-		for (x = 0; x < num_online_cpus() &&
-			     x * (fb_logo.logo->width + 8) <=
-			     info->var.xres - fb_logo.logo->width; x++) {
+		for (x = 0;
+		     x < num && image->dx + image->width <= info->var.xres;
+		     x++) {
 			info->fbops->fb_imageblit(info, image);
-			image->dx += fb_logo.logo->width + 8;
+			image->dx += image->width + 8;
 		}
 	} else if (rotate == FB_ROTATE_UD) {
-		for (x = 0; x < num_online_cpus() &&
-			     x * (fb_logo.logo->width + 8) <=
-			     info->var.xres - fb_logo.logo->width; x++) {
+		for (x = 0; x < num && image->dx >= 0; x++) {
 			info->fbops->fb_imageblit(info, image);
-			image->dx -= fb_logo.logo->width + 8;
+			image->dx -= image->width + 8;
 		}
 	} else if (rotate == FB_ROTATE_CW) {
-		for (x = 0; x < num_online_cpus() &&
-			     x * (fb_logo.logo->width + 8) <=
-			     info->var.yres - fb_logo.logo->width; x++) {
+		for (x = 0;
+		     x < num && image->dy + image->height <= info->var.yres;
+		     x++) {
 			info->fbops->fb_imageblit(info, image);
-			image->dy += fb_logo.logo->width + 8;
+			image->dy += image->height + 8;
 		}
 	} else if (rotate == FB_ROTATE_CCW) {
-		for (x = 0; x < num_online_cpus() &&
-			     x * (fb_logo.logo->width + 8) <=
-			     info->var.yres - fb_logo.logo->width; x++) {
+		for (x = 0; x < num && image->dy >= 0; x++) {
 			info->fbops->fb_imageblit(info, image);
-			image->dy -= fb_logo.logo->width + 8;
+			image->dy -= image->height + 8;
 		}
 	}
 }
@@ -532,7 +528,7 @@ int fb_show_logo(struct fb_info *info, int rotate)
 			fb_rotate_logo(info, logo_rotate, &image, rotate);
 	}
 
-	fb_do_show_logo(info, &image, rotate);
+	fb_do_show_logo(info, &image, rotate, num_online_cpus());
 
 	kfree(palette);
 	if (saved_pseudo_palette != NULL)