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cg3: remove TARGET_PAGE_SIZE rounding on dirty page detection

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This was an artifact from very early versions of the code from before the
memory API and is no longer needed.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Mark Cave-Ayland 2017-04-05 09:02:46 +01:00
parent da92ada855
commit 66e2f304a3
1 changed files with 2 additions and 4 deletions
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6
hw/display/cg3.c
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@ -26,7 +26,6 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
#include "qemu/error-report.h"
#include "ui/console.h"
#include "hw/sysbus.h"
@ -114,7 +113,7 @@ static void cg3_update_display(void *opaque)
for (y = 0; y < height; y++) {
int update = s->full_update;
page = (y * width) & TARGET_PAGE_MASK;
page = y * width;
update |= memory_region_get_dirty(&s->vram_mem, page, page + width,
DIRTY_MEMORY_VGA);
if (update) {
@ -148,8 +147,7 @@ static void cg3_update_display(void *opaque)
}
if (page_max >= page_min) {
memory_region_reset_dirty(&s->vram_mem,
page_min, page_max - page_min + TARGET_PAGE_SIZE,
DIRTY_MEMORY_VGA);
page_min, page_max - page_min, DIRTY_MEMORY_VGA);
}
/* vsync interrupt? */
if (s->regs[0] & CG3_CR_ENABLE_INTS) {