From 553bcce5ac405b27c8bc2a34d49f1f9aa226476f Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Fri, 21 Apr 2017 11:16:29 +0200 Subject: exynos: make display updates thread safe Signed-off-by: Gerd Hoffmann Message-id: 20170421091632.30900-7-kraxel@redhat.com Signed-off-by: Gerd Hoffmann --- hw/display/exynos4210_fimd.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'hw/display') 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; } } -- cgit v1.2.1