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From: Andrzej Zaborowski <balrogg@gmail.com>
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Date: Sat, 13 Dec 2008 23:57:01 +0000
Subject: [Qemu-devel] [6019] Fix PXA2xx framebuffer dirty checking.
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Revision: 6019
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6019
Author:   balrog
Date:     2008-12-13 23:57:01 +0000 (Sat, 13 Dec 2008)

Log Message:
-----------
Fix PXA2xx framebuffer dirty checking.

Modified Paths:
--------------
    trunk/hw/pxa2xx_lcd.c

Modified: trunk/hw/pxa2xx_lcd.c
===================================================================
--- trunk/hw/pxa2xx_lcd.c	2008-12-13 20:49:31 UTC (rev 6018)
+++ trunk/hw/pxa2xx_lcd.c	2008-12-13 23:57:01 UTC (rev 6019)
@@ -752,11 +752,11 @@
     addr = (ram_addr_t) (fb - phys_ram_base);
     start = addr + s->yres * src_width;
     end = addr;
+    x = addr + TARGET_PAGE_SIZE;
     dirty[0] = dirty[1] = cpu_physical_memory_get_dirty(start, VGA_DIRTY_FLAG);
     for (y = 0; y < s->yres; y ++) {
         new_addr = addr + src_width;
-        for (x = addr + TARGET_PAGE_SIZE; x < new_addr;
-                        x += TARGET_PAGE_SIZE) {
+        for (; x < new_addr; x += TARGET_PAGE_SIZE) {
             dirty[1] = cpu_physical_memory_get_dirty(x, VGA_DIRTY_FLAG);
             dirty[0] |= dirty[1];
         }