From 2036851125226065891f13583ade3ce559e7bd37 Mon Sep 17 00:00:00 2001
From: Matthias Hopf <mhopf@suse.de>
Date: Mon, 10 Mar 2008 19:29:07 +0100
Subject: [PATCH] Return randr interface version in xf86CrtcScreenInit()

Necessary to allow drivers to be run-time backwards compatible when using the
modes/ functions w/o providing their own copy.
---
 hw/xfree86/modes/xf86Crtc.c | 13 +++++++++++--
 hw/xfree86/modes/xf86Crtc.h |  4 ++++
 randr/randrstr.h            |  2 ++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
index 0bef5b42f..39e84e641 100644
--- a/hw/xfree86/modes/xf86Crtc.c
+++ b/hw/xfree86/modes/xf86Crtc.c
@@ -694,7 +694,12 @@ xf86CrtcCloseScreen (int index, ScreenPtr screen)
 /*
  * Called at ScreenInit time to set up
  */
-_X_EXPORT Bool
+_X_EXPORT
+#ifdef RANDR_13_INTERFACE
+int
+#else
+Bool
+#endif
 xf86CrtcScreenInit (ScreenPtr screen)
 {
     ScrnInfoPtr		scrn = xf86Screens[screen->myNum];
@@ -727,7 +732,11 @@ xf86CrtcScreenInit (ScreenPtr screen)
     config->CloseScreen = screen->CloseScreen;
     screen->CloseScreen = xf86CrtcCloseScreen;
     
+#ifdef RANDR_13_INTERFACE
+    return RANDR_INTERFACE_VERSION;
+#else
     return TRUE;
+#endif
 }
 
 static DisplayModePtr
@@ -2228,7 +2237,7 @@ xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation)
 	}
     }
     xf86DisableUnusedFunctions(pScrn);
-#if RANDR_12_INTERFACE
+#ifdef RANDR_12_INTERFACE
     xf86RandR12TellChanged (pScrn->pScreen);
 #endif
     return ok;
diff --git a/hw/xfree86/modes/xf86Crtc.h b/hw/xfree86/modes/xf86Crtc.h
index b87a32548..a542e7f39 100644
--- a/hw/xfree86/modes/xf86Crtc.h
+++ b/hw/xfree86/modes/xf86Crtc.h
@@ -692,7 +692,11 @@ xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY);
 void
 xf86SetScrnInfoModes (ScrnInfoPtr pScrn);
 
+#ifdef RANDR_13_INTERFACE
+int
+#else
 Bool
+#endif
 xf86CrtcScreenInit (ScreenPtr pScreen);
 
 Bool
diff --git a/randr/randrstr.h b/randr/randrstr.h
index 3b48f5c2b..4d7c9ccfc 100644
--- a/randr/randrstr.h
+++ b/randr/randrstr.h
@@ -56,6 +56,8 @@
 #define RANDR_12_INTERFACE 1
 #define RANDR_13_INTERFACE 1 /* requires RANDR_12_INTERFACE */
 
+#define RANDR_INTERFACE_VERSION 0x0103
+
 typedef XID	RRMode;
 typedef XID	RROutput;
 typedef XID	RRCrtc;