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authorGerd Hoffmann <kraxel@redhat.com>2017-04-21 11:16:29 +0200
committerGerd Hoffmann <kraxel@redhat.com>2017-04-24 10:12:28 +0200
commit553bcce5ac405b27c8bc2a34d49f1f9aa226476f (patch)
tree64de92e5e45b5af293a54d5c5afe96b5e4ac7304 /hw/display
parent167e9c7982b0bd6da2de9623c91cdee3a1754899 (diff)
exynos: make display updates thread safe
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20170421091632.30900-7-kraxel@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/display')
-rw-r--r--hw/display/exynos4210_fimd.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/hw/display/exynos4210_fimd.c b/hw/display/exynos4210_fimd.c
index e5be713406..fd0b2bec65 100644
--- a/hw/display/exynos4210_fimd.c
+++ b/hw/display/exynos4210_fimd.c
@@ -1263,6 +1263,7 @@ static void exynos4210_fimd_update(void *opaque)
Exynos4210fimdState *s = (Exynos4210fimdState *)opaque;
DisplaySurface *surface;
Exynos4210fimdWindow *w;
+ DirtyBitmapSnapshot *snap;
int i, line;
hwaddr fb_line_addr, inc_size;
int scrn_height;
@@ -1291,10 +1292,12 @@ static void exynos4210_fimd_update(void *opaque)
memory_region_sync_dirty_bitmap(w->mem_section.mr);
host_fb_addr = w->host_fb_addr;
fb_line_addr = w->mem_section.offset_within_region;
+ snap = memory_region_snapshot_and_clear_dirty(w->mem_section.mr,
+ fb_line_addr, inc_size * scrn_height, DIRTY_MEMORY_VGA);
for (line = 0; line < scrn_height; line++) {
- is_dirty = memory_region_get_dirty(w->mem_section.mr,
- fb_line_addr, scrn_width, DIRTY_MEMORY_VGA);
+ is_dirty = memory_region_snapshot_get_dirty(w->mem_section.mr,
+ snap, fb_line_addr, scrn_width);
if (s->invalidate || is_dirty) {
if (first_line == -1) {
@@ -1309,9 +1312,7 @@ static void exynos4210_fimd_update(void *opaque)
fb_line_addr += inc_size;
is_dirty = false;
}
- memory_region_reset_dirty(w->mem_section.mr,
- w->mem_section.offset_within_region,
- w->fb_len, DIRTY_MEMORY_VGA);
+ g_free(snap);
blend = true;
}
}