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exynos: make display updates thread safe

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170421091632.30900-7-kraxel@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2017-04-21 11:16:29 +02:00
parent 167e9c7982
commit 553bcce5ac
1 changed files with 6 additions and 5 deletions
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11
hw/display/exynos4210_fimd.c
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@ -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;
}
}