cogl-1.22.0-initial-output.patch

From 188752158701e3a406e7fd5850b3eaf9c4798cd7 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Fri, 13 Nov 2015 13:35:05 -0500
Subject: winsys-egl-kms: bypass initial output setup if kms fd passed in

if mutter is handling the output setup, then we shouldn't do it,
too.

https://bugzilla.gnome.org/show_bug.cgi?id=758073
---
 cogl/winsys/cogl-winsys-egl-kms.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/cogl/winsys/cogl-winsys-egl-kms.c b/cogl/winsys/cogl-winsys-egl-kms.c
index b460907..6d7049d 100644
--- a/cogl/winsys/cogl-winsys-egl-kms.c
+++ b/cogl/winsys/cogl-winsys-egl-kms.c
@@ -663,6 +663,14 @@ _cogl_winsys_egl_display_setup (CoglDisplay *display,
       return FALSE;
     }
 
+  /* Force a full modeset / drmModeSetCrtc on
+   * the first swap buffers call.
+   */
+  kms_display->pending_set_crtc = TRUE;
+
+  if (kms_renderer->opened_fd < 0)
+    return TRUE;
+
   output0 = find_output (0,
                          kms_renderer->fd,
                          resources,
@@ -736,10 +744,6 @@ _cogl_winsys_egl_display_setup (CoglDisplay *display,
   kms_display->width = output0->mode.hdisplay;
   kms_display->height = output0->mode.vdisplay;
 
-  /* We defer setting the crtc modes until the first swap_buffers request of a
-   * CoglOnscreen framebuffer. */
-  kms_display->pending_set_crtc = TRUE;
-
   return TRUE;
 }
 
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