xserver/hw/kdrive/ati ati.c,1.17,1.18

[Keith Packard]

Committed by: keithp

Update of /cvs/xserver/xserver/hw/kdrive/ati
In directory pdx:/tmp/cvs-serv21241

Modified Files:
	ati.c 
Log Message:
Check for mmio before restoring crtc/crtc2 pitch registers

Index: ati.c
===================================================================
RCS file: /cvs/xserver/xserver/hw/kdrive/ati/ati.c,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -d -r1.17 -r1.18
--- ati.c	22 Jul 2004 18:17:59 -0000	1.17
+++ ati.c	24 Jul 2004 17:02:49 -0000	1.18
@@ -612,8 +612,11 @@
 	ATICardInfo *atic = card->driver;
 	char *mmio = atic->reg_base;
 
-	MMIO_OUT32(mmio, ATI_REG_CRTC_PITCH, atic->crtc_pitch);
-	MMIO_OUT32(mmio, ATI_REG_CRTC2_PITCH, atic->crtc2_pitch);
+	if (mmio)
+	{
+		MMIO_OUT32(mmio, ATI_REG_CRTC_PITCH, atic->crtc_pitch);
+		MMIO_OUT32(mmio, ATI_REG_CRTC2_PITCH, atic->crtc2_pitch);
+	}
 	ATIUnmapReg(card, atic);
 
 	atic->backend_funcs.restore(card);