optimize screendump for the common non-switch case
switch console only if needed, also pass down whenever the console was
switched or not because a displaysurface redraw is only needed in case
the console was switched.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/omap_lcdc.c b/hw/omap_lcdc.c
index f265306..f172093 100644
--- a/hw/omap_lcdc.c
+++ b/hw/omap_lcdc.c
@@ -264,9 +264,12 @@
return 0;
}
-static void omap_screen_dump(void *opaque, const char *filename) {
+static void omap_screen_dump(void *opaque, const char *filename, bool cswitch)
+{
struct omap_lcd_panel_s *omap_lcd = opaque;
- omap_update_display(opaque);
+ if (cswitch) {
+ omap_update_display(opaque);
+ }
if (omap_lcd && ds_get_data(omap_lcd->state))
ppm_save(filename, ds_get_data(omap_lcd->state),
omap_lcd->width, omap_lcd->height,
