meta-agl-drm-lease/recipes-graphics/weston/weston/0001-compositor-do-not-request-repaint-in-output_enable.patch

   1 From 3b7c9b7458976ea7f1e57796149d4ed4c56d9225 Mon Sep 17 00:00:00 2001
   2 From: Michael Tretter <m.tretter@pengutronix.de>
   3 Date: Thu, 23 Aug 2018 16:58:47 +0200
   4 Subject: [PATCH] compositor: do not request repaint in output_enable
   5
   6 When enabling a weston_output, the compositor damages the entire output,
   7 to ensure that the entire output is redrawn. However, this triggers a
   8 repaint, which might happen before anything is actually drawn. The
   9 result is a black frame before the shell is displayed.
  10
  11 Damage the entire output region, but do not trigger the repaint when
  12 enabling a weston_output.
  13
  14 Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
  15 ---
  16  libweston/compositor.c | 4 +++-
  17  1 file changed, 3 insertions(+), 1 deletion(-)
  18
  19 diff --git a/libweston/compositor.c b/libweston/compositor.c
  20 index 6e965372..34d8483c 100644
  21 --- a/libweston/compositor.c
  22 +++ b/libweston/compositor.c
  23 @@ -6471,7 +6471,9 @@ weston_output_enable(struct weston_output *output)
  24         weston_output_init_zoom(output);
  25
  26         weston_output_init_geometry(output, x, y);
  27 -       weston_output_damage(output);
  28 +       pixman_region32_union(&c->primary_plane.damage,
  29 +                             &c->primary_plane.damage,
  30 +                             &output->region);
  31
  32         wl_list_init(&output->animation_list);
  33         wl_list_init(&output->feedback_list);
  34 --
  35 2.25.1
  36