From e11135776ee1f77cf4bcb59f3ad395f4a01d03af Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Wed, 21 May 2025 14:56:52 +0200
Subject: [PATCH] (!1997) xfree86: fbman: drop FreeBoxesUpdateCallback

Nobody fills it anymore, so not needed at all anymore.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
 hw/xfree86/common/xf86fbman.c | 30 +-----------------------------
 hw/xfree86/common/xf86fbman.h |  1 -
 2 files changed, 1 insertion(+), 30 deletions(-)

diff --git a/hw/xfree86/common/xf86fbman.c b/hw/xfree86/common/xf86fbman.c
index b5be75062..00ce224d8 100644
--- a/hw/xfree86/common/xf86fbman.c
+++ b/hw/xfree86/common/xf86fbman.c
@@ -260,23 +260,9 @@ typedef struct {
     int NumUsedAreas;
     FBLinearLinkPtr LinearAreas;
     CloseScreenProcPtr CloseScreen;
-    int NumCallbacks;
-    FreeBoxCallbackProcPtr *FreeBoxesUpdateCallback;
     DevUnion *devPrivates;
 } FBManager, *FBManagerPtr;
 
-static void
-SendCallFreeBoxCallbacks(FBManagerPtr offman)
-{
-    int i = offman->NumCallbacks;
-
-    while (i--) {
-        (*offman->FreeBoxesUpdateCallback[i]) (offman->pScreen,
-                                               offman->FreeBoxes,
-                                               offman->devPrivates[i].ptr);
-    }
-}
-
 static FBAreaPtr
 AllocateArea(FBManagerPtr offman,
              int w, int h,
@@ -375,14 +361,10 @@ localAllocateOffscreenArea(ScreenPtr pScreen,
                            RemoveAreaCallbackProcPtr removeCB, void *privData)
 {
     FBManagerPtr offman;
-    FBAreaPtr area = NULL;
 
     offman = (FBManagerPtr) dixLookupPrivate(&pScreen->devPrivates,
                                              xf86FBScreenKey);
-    if ((area = AllocateArea(offman, w, h, gran, moveCB, removeCB, privData)))
-        SendCallFreeBoxCallbacks(offman);
-
-    return area;
+    return AllocateArea(offman, w, h, gran, moveCB, removeCB, privData);
 }
 
 static void
@@ -419,8 +401,6 @@ localFreeOffscreenArea(FBAreaPtr area)
 
     free(pLink);
     offman->NumUsedAreas--;
-
-    SendCallFreeBoxCallbacks(offman);
 }
 
 static Bool
@@ -471,8 +451,6 @@ localResizeOffscreenArea(FBAreaPtr resize, int w, int h)
         RegionUninit(&FreedReg);
         RegionUninit(&NewReg);
 
-        SendCallFreeBoxCallbacks(offman);
-
         return TRUE;
     }
 
@@ -530,8 +508,6 @@ localResizeOffscreenArea(FBAreaPtr resize, int w, int h)
 
     RegionUninit(&FreedReg);
 
-    SendCallFreeBoxCallbacks(offman);
-
     return TRUE;
 }
 
@@ -698,7 +674,6 @@ localPurgeUnlockedOffscreenAreas(ScreenPtr pScreen)
 
     if (anyUsed) {
         RegionValidate(offman->FreeBoxes, &anyUsed);
-        SendCallFreeBoxCallbacks(offman);
     }
 
     return TRUE;
@@ -1109,7 +1084,6 @@ xf86FBCloseScreen(ScreenPtr pScreen)
     RegionDestroy(offman->InitialBoxes);
     RegionDestroy(offman->FreeBoxes);
 
-    free(offman->FreeBoxesUpdateCallback);
     free(offman->devPrivates);
     free(offman);
     dixSetPrivate(&pScreen->devPrivates, xf86FBScreenKey, NULL);
@@ -1187,8 +1161,6 @@ xf86InitFBManagerRegion(ScreenPtr pScreen, RegionPtr FullRegion)
     offman->UsedAreas = NULL;
     offman->LinearAreas = NULL;
     offman->NumUsedAreas = 0;
-    offman->NumCallbacks = 0;
-    offman->FreeBoxesUpdateCallback = NULL;
     offman->devPrivates = NULL;
 
     return TRUE;
diff --git a/hw/xfree86/common/xf86fbman.h b/hw/xfree86/common/xf86fbman.h
index ed5c8bcd7..30e5a455d 100644
--- a/hw/xfree86/common/xf86fbman.h
+++ b/hw/xfree86/common/xf86fbman.h
@@ -60,7 +60,6 @@ typedef struct _FBLinear {
     DevUnion devPrivate;
 } FBLinear, *FBLinearPtr;
 
-typedef void (*FreeBoxCallbackProcPtr) (ScreenPtr, RegionPtr, void *);
 typedef void (*MoveAreaCallbackProcPtr) (FBAreaPtr, FBAreaPtr);
 typedef void (*RemoveAreaCallbackProcPtr) (FBAreaPtr);