Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-serial

[pandora-kernel.git] / drivers / video / console / softcursor.c

diff --git a/drivers/video/console/softcursor.c b/drivers/video/console/softcursor.c
index 557c563..7d07d83 100644 (file)
--- a/drivers/video/console/softcursor.c
+++ b/drivers/video/console/softcursor.c
@@ -20,11 +20,12 @@
 
 int soft_cursor(struct fb_info *info, struct fb_cursor *cursor)
 {
+       struct fbcon_ops *ops = info->fbcon_par;
        unsigned int scan_align = info->pixmap.scan_align - 1;
        unsigned int buf_align = info->pixmap.buf_align - 1;
        unsigned int i, size, dsize, s_pitch, d_pitch;
        struct fb_image *image;
-       u8 *dst, *src;
+       u8 *dst;
 
        if (info->state != FBINFO_STATE_RUNNING)
                return 0;
@@ -32,11 +33,19 @@ int soft_cursor(struct fb_info *info, struct fb_cursor *cursor)
        s_pitch = (cursor->image.width + 7) >> 3;
        dsize = s_pitch * cursor->image.height;
 
-       src = kmalloc(dsize + sizeof(struct fb_image), GFP_ATOMIC);
-       if (!src)
-               return -ENOMEM;
+       if (dsize + sizeof(struct fb_image) != ops->cursor_size) {
+               if (ops->cursor_src != NULL)
+                       kfree(ops->cursor_src);
+               ops->cursor_size = dsize + sizeof(struct fb_image);
 
-       image = (struct fb_image *) (src + dsize);
+               ops->cursor_src = kmalloc(ops->cursor_size, GFP_ATOMIC);
+               if (!ops->cursor_src) {
+                       ops->cursor_size = 0;
+                       return -ENOMEM;
+               }
+       }
+
+       image = (struct fb_image *) (ops->cursor_src + dsize);
        *image = cursor->image;
        d_pitch = (s_pitch + scan_align) & ~scan_align;
 
@@ -48,21 +57,23 @@ int soft_cursor(struct fb_info *info, struct fb_cursor *cursor)
                switch (cursor->rop) {
                case ROP_XOR:
                        for (i = 0; i < dsize; i++)
-                               src[i] = image->data[i] ^ cursor->mask[i];
+                               ops->cursor_src[i] = image->data[i] ^
+                                       cursor->mask[i];
                        break;
                case ROP_COPY:
                default:
                        for (i = 0; i < dsize; i++)
-                               src[i] = image->data[i] & cursor->mask[i];
+                               ops->cursor_src[i] = image->data[i] &
+                                       cursor->mask[i];
                        break;
                }
        } else
-               memcpy(src, image->data, dsize);
+               memcpy(ops->cursor_src, image->data, dsize);
 
-       fb_pad_aligned_buffer(dst, d_pitch, src, s_pitch, image->height);
+       fb_pad_aligned_buffer(dst, d_pitch, ops->cursor_src, s_pitch,
+                             image->height);
        image->data = dst;
        info->fbops->fb_imageblit(info, image);
-       kfree(src);
        return 0;
 }