--- driverkit/libDriver/ppc/IONDRVFramebuffer.m	2018/04/24 17:37:51	1.1.1.1
+++ driverkit/libDriver/ppc/IONDRVFramebuffer.m	2018/04/24 17:39:53	1.1.1.2
@@ -95,11 +95,10 @@ extern IODisplayInfo	bootDisplayInfo;
     char *	name;
 
     if( NDRVForDevice( device)) {
+        // temporary for in-kernel acceleration
         name = [device nodeName];
         if( 0 == strncmp("ATY,", name, strlen("ATY,")))
             newClass = [IOATINDRV class];
-        else if( 0 == strncmp("IMS,tt3d", name, strlen("IMS,tt3d")))
-            newClass = [IOIX3DNDRV class];
     } else
 	newClass = [IOOFFramebuffer class];
 
@@ -1115,7 +1114,8 @@ enum { kTheDisplayMode	= 10 };
 
 //////////////////////////////////////////////////////////////////////////////////////////
 
-// ATI patches. getStartupMode doesn't.
+// ATI patches. Acceleration to be removed when user level blitting is in.
+// Real problem : getStartupMode doesn't.
 
 @implementation IOATINDRV
 
@@ -1138,68 +1138,7 @@ enum { kTheDisplayMode	= 10 };
 
 @end
 
-// ix3D patches
 
-@implementation IOIX3DNDRV
-
-enum {
-	kPantherOff_Regs		= 0x06000000L,
-        kPantherOff_SSTATUS		= 0x000000ECL,
-};
-
-void regwNoswap( volatile UInt8 * io, UInt32 regindex, UInt32 regdata) {
-
-    *((UInt32 *)(io + regindex)) = (regdata);
-    __asm__ volatile("eieio");
-}
-
-void
-ix3dInterruptHandler( void * interrupt, void * istate, IOIX3DNDRV * vars )
-{
-    regwNoswap(vars->panther, kPantherOff_SSTATUS, 0x30 );
-
-    IOEnableInterrupt( interrupt);
-}
-
-- (BOOL) getHandler:(IOInterruptHandler *)handler
-              level:(unsigned int *)ipl
-	   argument:(unsigned int *) arg
-       forInterrupt:(unsigned int) localInterrupt
-{
-    *handler = (IOInterruptHandler) ix3dInterruptHandler;
-    *ipl = 30;
-    *arg = (unsigned int)self;
-
-    return( YES);
-}
-
-- (IOReturn)
-    setDisplayMode:(IOFBDisplayModeID)modeID depth:(IOFBIndex)depthIndex page:(IOFBIndex)pageIndex
-{
-    IOReturn			err;
-
-    [self disableInterrupt:0];
-    err = [super setDisplayMode:modeID depth:depthIndex page:pageIndex];
-    [self enableInterrupt:0];
-    return( err);
-}
-
-- (IOReturn) open
-{
-    IOReturn			err;
-    IOFBConfiguration		config;
-
-    err = [super open];
-    if( err == noErr) {
-        [self getConfiguration:&config];
-        panther = (volatile UInt8 *)(((UInt32)config.mappedFramebuffer) & 0xffff0000)
-			+ kPantherOff_Regs;
-	[self enableInterrupt:0];
-    }
-    return( err);
-}
-
-@end