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[Qemu-commits] [COMMIT 180f0ad] Synch to VGA
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT 180f0ad] Synch to VGA |
Date: |
Mon, 27 Apr 2009 21:12:27 -0000 |
From: Blue Swirl <address@hidden>
diff --git a/hw/tcx.c b/hw/tcx.c
index f0e8f2f..99e65a0 100644
--- a/hw/tcx.c
+++ b/hw/tcx.c
@@ -197,7 +197,7 @@ static void tcx_update_display(void *opaque)
return;
page = ts->vram_offset;
y_start = -1;
- page_min = 0xffffffff;
+ page_min = -1;
page_max = 0;
d = ds_get_data(ts->ds);
s = ts->vram;
@@ -257,7 +257,7 @@ static void tcx_update_display(void *opaque)
ts->width, y - y_start);
}
/* reset modified pages */
- if (page_min <= page_max) {
+ if (page_max >= page_min) {
cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
VGA_DIRTY_FLAG);
}
@@ -277,7 +277,7 @@ static void tcx24_update_display(void *opaque)
page24 = ts->vram24_offset;
cpage = ts->cplane_offset;
y_start = -1;
- page_min = 0xffffffff;
+ page_min = -1;
page_max = 0;
d = ds_get_data(ts->ds);
s = ts->vram;
@@ -334,7 +334,7 @@ static void tcx24_update_display(void *opaque)
ts->width, y - y_start);
}
/* reset modified pages */
- if (page_min <= page_max) {
+ if (page_max >= page_min) {
reset_dirty(ts, page_min, page_max, page24, cpage);
}
}
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