[Qemu-devel] [PATCH 2/2][RESEND] tc6393xb: add support for invalidate display callback

[Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>]

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 hw/tc6393xb.c |   17 ++++++++++++++---
 1 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/hw/tc6393xb.c b/hw/tc6393xb.c
index ed49e94..14847a9 100644
--- a/hw/tc6393xb.c
+++ b/hw/tc6393xb.c
@@ -126,7 +126,8 @@ struct TC6393xbState {
     uint32_t scr_width, scr_height; /* in pixels */
     qemu_irq l3v;
     unsigned blank : 1,
-             blanked : 1;
+             blanked : 1,
+             invalidated : 1;
 };
 
 qemu_irq *tc6393xb_gpio_in_get(TC6393xbState *s)
@@ -483,7 +484,9 @@ static void tc6393xb_update_display(void *opaque)
         s->blanked = s->blank;
         full_update = 1;
     }
-    if (s->scr_width != ds_get_width(s->ds) || s->scr_height != ds_get_height(s->ds)) {
+    if (s->scr_width != ds_get_width(s->ds) ||
+            s->scr_height != ds_get_height(s->ds) ||
+            s->invalidated) {
         qemu_console_resize(s->ds, s->scr_width, s->scr_height);
         full_update = 1;
     }
@@ -491,6 +494,14 @@ static void tc6393xb_update_display(void *opaque)
         tc6393xb_draw_blank(s, full_update);
     else
         tc6393xb_draw_graphic(s, full_update);
+
+    s->invalidated = 0;
+}
+
+static void tc6393xb_invalidate_display(void *opaque)
+{
+    TC6393xbState *s = opaque;
+    s->invalidated = 1;
 }
 
 
@@ -598,7 +609,7 @@ TC6393xbState *tc6393xb_init(uint32_t base, qemu_irq irq)
     s->scr_width = 480;
     s->scr_height = 640;
     s->ds = graphic_console_init(tc6393xb_update_display,
-            NULL, /* invalidate */
+            tc6393xb_invalidate_display, /* invalidate */
             NULL, /* screen_dump */
             NULL, /* text_update */
             s);
-- 
1.7.2.3