? diff
Index: i830_driver.c
===================================================================
RCS file: /cvs/xorg/driver/xf86-video-i810/src/i830_driver.c,v
retrieving revision 1.36
diff -u -r1.36 i830_driver.c
--- i830_driver.c	3 Oct 2005 09:39:17 -0000	1.36
+++ i830_driver.c	6 Jan 2006 12:56:58 -0000
@@ -354,10 +354,12 @@
       } while (mode && mode != pScrn->modes);
    }
 
-   if (pI830->vbeInfo)
-      VBEFreeVBEInfo(pI830->vbeInfo);
-   if (pI830->pVbe)
-      vbeFree(pI830->pVbe);
+   if (I830IsPrimary(pScrn)) {
+      if (pI830->vbeInfo)
+         VBEFreeVBEInfo(pI830->vbeInfo);
+      if (pI830->pVbe)
+         vbeFree(pI830->pVbe);
+   }
 
    pVesa = pI830->vesa;
    if (pVesa->monitor)
@@ -1513,6 +1515,9 @@
 
    DPRINTF(PFX, "SaveBIOSMemSize\n");
 
+   if (!I830IsPrimary(pScrn))
+      return FALSE;
+
    pI830->useSWF1 = FALSE;
 
 #if HAVE_GET_PUT_BIOSMEMSIZE
@@ -1572,6 +1577,9 @@
     
     PCITAG tag =pciTag(0,0,0);
 
+    if (!I830IsPrimary(pScrn))
+       return 0;
+
     if(!pI830->PciInfo 
        || !(IS_845G(pI830) || IS_I85X(pI830) || IS_I865G(pI830)))
 	return 0;
@@ -1618,10 +1626,16 @@
 
     if (preinit) {
 	/* reinitialize VBE for new size */
-	VBEFreeVBEInfo(pI830->vbeInfo);
-	vbeFree(pI830->pVbe);
-	pI830->pVbe = VBEInit(NULL, pI830->pEnt->index);
-	pI830->vbeInfo = VBEGetVBEInfo(pI830->pVbe);
+	if (I830IsPrimary(pScrn)) {
+	   VBEFreeVBEInfo(pI830->vbeInfo);
+	   vbeFree(pI830->pVbe);
+	   pI830->pVbe = VBEInit(NULL, pI830->pEnt->index);
+	   pI830->vbeInfo = VBEGetVBEInfo(pI830->pVbe);
+	} else {
+           I830Ptr pI8301 = I830PTR(pI830->entityPrivate->pScrn_1);
+           pI830->pVbe = pI8301->pVbe;
+           pI830->vbeInfo = pI8301->vbeInfo;
+	}
 	
 	/* verify that change was successful */
 	if (pI830->vbeInfo->TotalMemory != (newsize >> 16)){
@@ -1648,8 +1662,11 @@
 
    DPRINTF(PFX, "RestoreBIOSMemSize\n");
 
+   if (!I830IsPrimary(pScrn))
+      return;
+
    if (TweakMemorySize(pScrn, pI830->saveBIOSMemSize,FALSE))
-       return;
+      return;
 
    if (!pI830->overrideBIOSMemSize)
       return;
@@ -1920,7 +1937,7 @@
 {
    vgaHWPtr hwp;
    I830Ptr pI830;
-   MessageType from;
+   MessageType from = X_PROBED;
    rgb defaultWeight = { 0, 0, 0 };
    EntityInfoPtr pEnt;
    I830EntPtr pI830Ent = NULL;					
@@ -1994,6 +2011,30 @@
       return FALSE;
    }
 
+   if (xf86IsEntityShared(pScrn->entityList[0])) {
+      if (xf86IsPrimInitDone(pScrn->entityList[0])) {
+	 pI830->init = 1;
+
+         if (!pI830Ent->pScrn_1) {
+            xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ 		 "Failed to setup second head due to primary head failure.\n");
+	    return FALSE;
+         }
+      } else {
+         xf86SetPrimInitDone(pScrn->entityList[0]);
+	 pI830->init = 0;
+      }
+   }
+
+   if (xf86IsEntityShared(pScrn->entityList[0])) {
+      if (!I830IsPrimary(pScrn)) {
+         pI830Ent->pScrn_2 = pScrn;
+      } else {
+         pI830Ent->pScrn_1 = pScrn;
+         pI830Ent->pScrn_2 = NULL;
+      }
+   }
+
    pScrn->racMemFlags = RAC_FB | RAC_COLORMAP;
    pScrn->monitor = pScrn->confScreen->monitor;
    pScrn->progClock = TRUE;
@@ -2039,9 +2080,14 @@
    I830SetPIOAccess(pI830);
 
    /* Initialize VBE record */
-   if ((pI830->pVbe = VBEInit(NULL, pI830->pEnt->index)) == NULL) {
-      xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "VBE initialization failed.\n");
-      return FALSE;
+   if (I830IsPrimary(pScrn)) {
+      if ((pI830->pVbe = VBEInit(NULL, pI830->pEnt->index)) == NULL) {
+         xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "VBE initialization failed.\n");
+         return FALSE;
+      }
+   } else {
+      I830Ptr pI8301 = I830PTR(pI830->entityPrivate->pScrn_1);
+      pI830->pVbe = pI8301->pVbe;
    }
 
    switch (pI830->PciInfo->chipType) {
@@ -2097,7 +2143,12 @@
    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 	      "Integrated Graphics Chipset: Intel(R) %s\n", chipname);
 
-   pI830->vbeInfo = VBEGetVBEInfo(pI830->pVbe);
+   if (I830IsPrimary(pScrn)) {
+      pI830->vbeInfo = VBEGetVBEInfo(pI830->pVbe);
+   } else {
+      I830Ptr pI8301 = I830PTR(pI830->entityPrivate->pScrn_1);
+      pI830->vbeInfo = pI8301->vbeInfo;
+   }
 
    /* Set the Chipset and ChipRev, allowing config file entries to override. */
    if (pI830->pEnt->device->chipset && *pI830->pEnt->device->chipset) {
@@ -2207,23 +2258,6 @@
 	 pI830->FbMapSize = 0x8000000;
    }
 
-
-   if (xf86IsEntityShared(pScrn->entityList[0])) {
-      if (xf86IsPrimInitDone(pScrn->entityList[0])) {
-	 pI830->init = 1;
-
-         if (!pI830Ent->pScrn_1) {
-            xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- 		 "Failed to setup second head due to primary head failure.\n");
-	    return FALSE;
-         }
-
-      } else {
-         xf86SetPrimInitDone(pScrn->entityList[0]);
-	 pI830->init = 0;
-      }
-   }
-
    if (pI830->PciInfo->chipType == PCI_CHIP_E7221_G)
       pI830->availablePipes = 1;
    else
@@ -2597,10 +2631,16 @@
 	    pI830->overrideBIOSMemSize = TRUE;
 	    SetBIOSMemSize(pScrn, pI830->newBIOSMemSize);
 
-	    VBEFreeVBEInfo(pI830->vbeInfo);
-	    vbeFree(pI830->pVbe);
-	    pI830->pVbe = VBEInit(NULL, pI830->pEnt->index);
-	    pI830->vbeInfo = VBEGetVBEInfo(pI830->pVbe);
+	    if (I830IsPrimary(pScrn)) {
+	       VBEFreeVBEInfo(pI830->vbeInfo);
+	       vbeFree(pI830->pVbe);
+	       pI830->pVbe = VBEInit(NULL, pI830->pEnt->index);
+	       pI830->vbeInfo = VBEGetVBEInfo(pI830->pVbe);
+	    } else {
+               I830Ptr pI8301 = I830PTR(pI830->entityPrivate->pScrn_1);
+	       pI830->pVbe = pI8301->pVbe;
+	       pI830->vbeInfo = pI8301->vbeInfo;
+	    }
 
 	    pI830->BIOSMemorySize = KB(pI830->vbeInfo->TotalMemory * 64);
 	    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
@@ -2783,7 +2823,7 @@
 	     "Primary Pipe has been switched from original pipe (%s to %s)\n",
              pI830->origPipe ? "B" : "A", pI830->pipe ? "B" : "A");
    } else {
-      I830Ptr pI8301 = I830PTR(pI830Ent->pScrn_1);
+      I830Ptr pI8301 = I830PTR(pI830->entityPrivate->pScrn_1);
       pI830->operatingDevices = pI8301->operatingDevices;
       pI830->pipe = !pI8301->pipe;
       pI830->MonType1 = pI8301->MonType1;
@@ -2833,17 +2873,12 @@
 
    if (xf86IsEntityShared(pScrn->entityList[0])) {
       if (!IsPrimary(pScrn)) {
-         pI830Ent->pScrn_2 = pScrn;
-
 	 /* This could be made to work with a little more fiddling */
 	 pI830->directRenderingDisabled = TRUE;
 
          xf86DrvMsg(pScrn->scrnIndex, from, "Secondary head is using Pipe %s\n",
 		pI830->pipe ? "B" : "A");
       } else {
-         pI830Ent->pScrn_1 = pScrn;
-         pI830Ent->pScrn_2 = NULL;
-
          xf86DrvMsg(pScrn->scrnIndex, from, "Primary head is using Pipe %s\n",
 		pI830->pipe ? "B" : "A");
       }
@@ -3334,10 +3369,14 @@
       xf86LoaderReqSymLists(I810shadowFBSymbols, NULL);
    }
 
-   VBEFreeVBEInfo(pI830->vbeInfo);
+#if 0
+   if (I830IsPrimary(pScrn)) {
+      VBEFreeVBEInfo(pI830->vbeInfo);
+      vbeFree(pI830->pVbe);
+   }
    pI830->vbeInfo = NULL;
-   vbeFree(pI830->pVbe);
    pI830->pVbe = NULL;
+#endif
 
    /* Use the VBE mode restore workaround by default. */
    pI830->vbeRestoreWorkaround = TRUE;
@@ -4458,7 +4497,6 @@
    vgaHWPtr hwp;
    I830Ptr pI830;
    VisualPtr visual;
-   I830EntPtr pI830Ent = NULL;
    I830Ptr pI8301 = NULL;
    int width, height, displayWidth;
    unsigned char *fbbase;
@@ -4471,9 +4509,6 @@
    hwp = VGAHWPTR(pScrn);
 
    if (xf86IsEntityShared(pScrn->entityList[0])) {
-      pI830Ent = pI830->entityPrivate;
-      pI8301 = I830PTR(pI830Ent->pScrn_1);
-
       /* PreInit failed on the second head, so make sure we turn it off */
       if (IsPrimary(pScrn) && !pI830->entityPrivate->pScrn_2) {
          if (pI830->pipe == 0) {
@@ -4509,31 +4544,41 @@
          pI830->entityPrivate->XvInUse = -1;
    }
 
-   if (xf86IsEntityShared(pScrn->entityList[0])) {
-	/* Make our second head point to the first heads structures */
-	if (!IsPrimary(pScrn)) {
-	   pI830->LpRing = pI8301->LpRing;
-	   pI830->CursorMem = pI8301->CursorMem;
-	   pI830->CursorMemARGB = pI8301->CursorMemARGB;
-	   pI830->OverlayMem = pI8301->OverlayMem;
-           pI830->overlayOn = pI8301->overlayOn;
-	}
+   /* Make our second head point to the first heads structures */
+   if (!I830IsPrimary(pScrn)) {
+      pI8301 = I830PTR(pI830->entityPrivate->pScrn_1);
+      pI830->LpRing = pI8301->LpRing;
+      pI830->CursorMem = pI8301->CursorMem;
+      pI830->CursorMemARGB = pI8301->CursorMemARGB;
+      pI830->OverlayMem = pI8301->OverlayMem;
+      pI830->overlayOn = pI8301->overlayOn;
+      pI830->used3D = pI8301->used3D;
    }
 
    /*
     * If we're changing the BIOS's view of the video memory size, do that
     * first, then re-initialise the VBE information.
     */
-   if (pI830->pVbe)
-      vbeFree(pI830->pVbe);
-   pI830->pVbe = VBEInit(NULL, pI830->pEnt->index);
-   if (!TweakMemorySize(pScrn, pI830->newBIOSMemSize,FALSE))
-       SetBIOSMemSize(pScrn, pI830->newBIOSMemSize);
+   if (I830IsPrimary(pScrn)) {
+      if (pI830->pVbe)
+         vbeFree(pI830->pVbe);
+      pI830->pVbe = VBEInit(NULL, pI830->pEnt->index);
+   } else {
+      pI830->pVbe = pI8301->pVbe;
+   }
+   if (I830IsPrimary(pScrn)) {
+      if (!TweakMemorySize(pScrn, pI830->newBIOSMemSize,FALSE))
+         SetBIOSMemSize(pScrn, pI830->newBIOSMemSize);
+   }
    if (!pI830->pVbe)
       return FALSE;
-   if (pI830->vbeInfo)
-      VBEFreeVBEInfo(pI830->vbeInfo);
-   pI830->vbeInfo = VBEGetVBEInfo(pI830->pVbe);
+   if (I830IsPrimary(pScrn)) {
+      if (pI830->vbeInfo)
+         VBEFreeVBEInfo(pI830->vbeInfo);
+      pI830->vbeInfo = VBEGetVBEInfo(pI830->pVbe);
+   } else {
+      pI830->vbeInfo = pI8301->vbeInfo;
+   }
 
    miClearVisualTypes();
    if (!miSetVisualTypes(pScrn->depth,
@@ -4674,7 +4719,6 @@
    if (IsPrimary(pScrn)) {
       pScrn->fbOffset = pI830->FrontBuffer.Start;
    } else {
-      I830Ptr pI8301 = I830PTR(pI830Ent->pScrn_1);
       pScrn->fbOffset = pI8301->FrontBuffer2.Start;
    }
 
@@ -5276,8 +5320,10 @@
          return FALSE;
 
    CheckInheritedState(pScrn);
-   if (!TweakMemorySize(pScrn, pI830->newBIOSMemSize,FALSE))
-       SetBIOSMemSize(pScrn, pI830->newBIOSMemSize);
+   if (I830IsPrimary(pScrn)) {
+      if (!TweakMemorySize(pScrn, pI830->newBIOSMemSize,FALSE))
+         SetBIOSMemSize(pScrn, pI830->newBIOSMemSize);
+   }
 
    ResetState(pScrn, FALSE);
    SetHWOperatingState(pScrn);