[PATCH 3/5] Fix https://bugzilla.novell.com/show_bug.cgi?id=474071.

[Johannes Obermayr]

From: Stefan Dirsch <sndirsch at novell.com>

---
 src/radeon_driver.c |   18 +++++++++++++++---
 1 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index 2cfe36a..18f7a57 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -222,6 +222,7 @@ struct RADEONInt10Save {
 	uint32_t MEM_CNTL;
 	uint32_t MEMSIZE;
 	uint32_t MPP_TB_CONFIG;
+        unsigned char MISC_OUT;
 };
 
 static Bool RADEONMapMMIO(ScrnInfoPtr pScrn);
@@ -277,14 +278,17 @@ RADEONPreInt10Save(ScrnInfoPtr pScrn, void **pPtr)
     RADEONInfoPtr  info   = RADEONPTR(pScrn);
     unsigned char *RADEONMMIO = info->MMIO;
     uint32_t       CardTmp;
-    static struct  RADEONInt10Save SaveStruct = { 0, 0, 0 };
+    static struct  RADEONInt10Save SaveStruct = { 0, 0, 0, 0 };
 
     if (!IS_AVIVO_VARIANT) {
+	OUTREG(0,RADEON_MEM_CNTL);
 	/* Save the values and zap MEM_CNTL */
 	SaveStruct.MEM_CNTL = INREG(RADEON_MEM_CNTL);
 	SaveStruct.MEMSIZE = INREG(RADEON_CONFIG_MEMSIZE);
 	SaveStruct.MPP_TB_CONFIG = INREG(RADEON_MPP_TB_CONFIG);
-
+#if !defined(__powerpc__) && !defined(__sparc__)
+	SaveStruct.MISC_OUT = inb(pScrn->domainIOBase + RADEON_GENMO_RD);
+#endif
 	/*
 	 * Zap MEM_CNTL and set MPP_TB_CONFIG<31:24> to 4
 	 */
@@ -346,6 +350,14 @@ RADEONPostInt10Check(ScrnInfoPtr pScrn, void *ptr)
 	CardTmp |= (pSave->MPP_TB_CONFIG & 0xff000000u);
 	OUTREG(RADEON_MPP_TB_CONFIG, CardTmp);
     }
+#if !defined(__powerpc__) && !defined(__sparc__)
+    if (CardTmp != pSave->MISC_OUT) {
+         xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+		    "Restoring MiscOut (%x), setting to %x\n",
+		    CardTmp, pSave->MEM_CNTL);
+	 outb(pScrn->domainIOBase + RADEON_GENMO_WT, pSave->MISC_OUT);
+    }
+#endif
 }
 
 /* Allocate our private RADEONInfoRec */
@@ -3053,7 +3065,7 @@ Bool RADEONPreInit(ScrnInfoPtr pScrn, int flags)
 	goto fail1;
     }
 
-#if !defined(__alpha__)
+#if !defined(__alpha__) && !defined (__ia64__)
     if (
 #ifndef XSERVER_LIBPCIACCESS
 	xf86GetPciDomain(info->PciTag) ||
-- 
1.7.7