Commit 553bcce5 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

exynos: make display updates thread safe 



Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Message-id: 20170421091632.30900-7-kraxel@redhat.com
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 167e9c79

hw/display/exynos4210_fimd.c

+6 −5
Original line number Diff line number Diff line
@@ -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;

        }

    }