From 08a45118b53129f3b9c30004404b906c7d7690be Mon Sep 17 00:00:00 2001
From: Alex Deucher <agd5f@yahoo.com>
Date: Sun, 19 Dec 2004 19:29:10 +0000
Subject: - Make dualhead ram allocation cleaner and related messages clearer

---
 src/radeon.h        |  1 +
 src/radeon_driver.c | 42 +++++++++++++++++++++++++-----------------
 2 files changed, 26 insertions(+), 17 deletions(-)

diff --git a/src/radeon.h b/src/radeon.h
index 4c3c720f..48be2122 100644
--- a/src/radeon.h
+++ b/src/radeon.h
@@ -315,6 +315,7 @@ typedef struct {
     Bool              IsIGP;            /* IGP chips */
     Bool              HasSingleDAC;     /* only TVDAC on chip */
     Bool              IsSecondary;      /* Second Screen                     */
+    Bool	      IsPrimary;        /* Primary Screen */
     Bool              IsSwitching;      /* Flag for switching mode           */
     Bool              OverlayOnCRTC2;
     Bool              PanelOff;         /* Force panel (LCD/DFP) off         */
diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index f7b8ddcb..fffcfa8e 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -2545,21 +2545,6 @@ static Bool RADEONPreInitConfig(ScrnInfoPtr pScrn)
     /* Some production boards of m6 will return 0 if it's 8 MB */
     if (pScrn->videoRam == 0) pScrn->videoRam = 8192;
 
-    if (info->IsSecondary) {
-	/* FIXME: For now, split FB into two equal sections. This should
-	 * be able to be adjusted by user with a config option. */
-        RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
-	RADEONInfoPtr  info1;
-
-	pScrn->videoRam /= 2;
-	pRADEONEnt->pPrimaryScrn->videoRam = pScrn->videoRam;
-
-	info1 = RADEONPTR(pRADEONEnt->pPrimaryScrn);
-	info1->FbMapSize  = pScrn->videoRam * 1024;
-	info->LinearAddr += pScrn->videoRam * 1024;
-	info1->MergedFB = FALSE;
-    }
-
     info->R300CGWorkaround =
 	(info->ChipFamily == CHIP_FAMILY_R300 &&
 	 (INREG(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK)
@@ -2578,11 +2563,31 @@ static Bool RADEONPreInitConfig(ScrnInfoPtr pScrn)
 	from             = X_CONFIG;
 	pScrn->videoRam  = dev->videoRam;
     }
-    pScrn->videoRam  &= ~1023;
-    info->FbMapSize  = pScrn->videoRam * 1024;
+
     xf86DrvMsg(pScrn->scrnIndex, from,
 	       "VideoRAM: %d kByte (%d bit %s SDRAM)\n", pScrn->videoRam, info->RamWidth, info->IsDDR?"DDR":"SDR");
 
+    /* FIXME: For now, split FB into two equal sections. This should
+     * be able to be adjusted by user with a config option. */
+    if (info->IsPrimary) {
+        pScrn->videoRam /= 2;
+	info->MergedFB = FALSE;
+	xf86DrvMsg(pScrn->scrnIndex, X_INFO, 
+		"Using %dk of videoram for primary head\n",
+		pScrn->videoRam);
+    }
+
+    if (info->IsSecondary) {  
+        pScrn->videoRam /= 2;
+        info->LinearAddr += pScrn->videoRam * 1024;
+	xf86DrvMsg(pScrn->scrnIndex, X_INFO, 
+		"Using %dk of videoram for secondary head\n",
+		pScrn->videoRam);
+    }
+
+    pScrn->videoRam  &= ~1023;
+    info->FbMapSize  = pScrn->videoRam * 1024;
+
 #ifdef XF86DRI
 				/* AGP/PCI */
     /* Proper autodetection of an AGP capable device requires examining
@@ -4321,6 +4326,7 @@ Bool RADEONPreInit(ScrnInfoPtr pScrn, int flags)
 
     info               = RADEONPTR(pScrn);
     info->IsSecondary  = FALSE;
+    info->IsPrimary     = FALSE;
     info->MergedFB     = FALSE;
     info->IsSwitching  = FALSE;
     info->MMIO         = NULL;
@@ -4381,6 +4387,8 @@ Bool RADEONPreInit(ScrnInfoPtr pScrn, int flags)
 	} else {
 	    RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
 
+	    info->IsPrimary = TRUE;
+
 	    xf86SetPrimInitDone(info->pEnt->index);
 
 	    pRADEONEnt->pPrimaryScrn        = pScrn;
-- 
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