Changes between Version 15 and Version 16 of jazz/09-01-14

Timestamp:

Jan 14, 2009, 7:10:01 PM (15 years ago)

Author:

jazz

Comment:

--

jazz/09-01-14

@@ -134 +134 @@
 1015          unsigned long arg)
 
+1018        struct fb_info *info = registered_fb[fbidx];
+
 1046        case FBIOGET_FSCREENINFO:
 1047                return copy_to_user(argp, &info->fix,
 1048                                    sizeof(fix)) ? -EFAULT : 0;
 }}}
-
+ * 從 fb.h 的定義，我們可以確定 mmio_len 是從 info (型態為 fb_info) 結構中抓出 fb_fix_screeninfo 型態的 fix 回傳給使用者。
 {{{
 <linux-2.6.27.7/include/linux/fb.h>
@@ -150 +152 @@
  166        __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
 
+ 808 struct fb_info {
+
+ 811        struct fb_var_screeninfo var;   /* Current var */
+ 812        struct fb_fix_screeninfo fix;   /* Current fix */
 }}}