diff mbox series

[PULL,1/6] sm501: Update screen on frame buffer address change

Message ID 20180716083809.17115-2-david@gibson.dropbear.id.au
State New
Headers show
Series [PULL,1/6] sm501: Update screen on frame buffer address change | expand

Commit Message

David Gibson July 16, 2018, 8:38 a.m. UTC 
From: BALATON Zoltan <balaton@eik.bme.hu>

When the guest changes the address of the frame buffer we need to
refresh the screen to correctly display the new content. This fixes
display update problems when changing between screens on AmigaOS.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 hw/display/sm501.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 3661a89f60..9ab29d35dd 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -1235,6 +1235,7 @@  static void sm501_disp_ctrl_write(void *opaque, hwaddr addr,
         if (value & 0x8000000) {
             qemu_log_mask(LOG_UNIMP, "Panel external memory not supported\n");
         }
+        s->do_full_update = true;
         break;
     case SM501_DC_PANEL_FB_OFFSET:
         s->dc_panel_fb_offset = value & 0x3FF03FF0;
@@ -1298,6 +1299,7 @@  static void sm501_disp_ctrl_write(void *opaque, hwaddr addr,
         if (value & 0x8000000) {
             qemu_log_mask(LOG_UNIMP, "CRT external memory not supported\n");
         }
+        s->do_full_update = true;
         break;
     case SM501_DC_CRT_FB_OFFSET:
         s->dc_crt_fb_offset = value & 0x3FF03FF0;