debian/changelog

+xserver-xorg-video-vesa (1:2.4.0-2) unstable; urgency=medium
+
+  * Cherry-pick a commit to fix default bpp selection. (LP: #1818879)
+
+ -- Timo Aaltonen <tjaalton@debian.org>  Fri, 08 Mar 2019 10:46:08 +0200
+
 xserver-xorg-video-vesa (1:2.4.0-1) unstable; urgency=medium
 
   [ Sven Joachim ]

src/vesa.c

@@ -683,12 +683,14 @@ VESAPreInit(ScrnInfoPtr pScrn, int flags)
 				    V_MODETYPE_VBE);
 
     /* Preferred order for default depth selection. */
-    if (depths & V_DEPTH_24)
+    if (depths & V_DEPTH_24 && (flags24 & Support32bppFb))
 	defaultDepth = 24;
     else if (depths & V_DEPTH_16)
 	defaultDepth = 16;
     else if (depths & V_DEPTH_15)
 	defaultDepth = 15;
+    else if (depths & V_DEPTH_24)
+        defaultDepth = 24; /* ew though */
     else if (depths & V_DEPTH_8)
 	defaultDepth = 8;
     else if (depths & V_DEPTH_4)