Sun Feb 12 23:15:07 UTC 2012

1 files changed, 800 insertions, 0 deletions

diff --git a/staging/xf86-video-mga/git-fixes.patch b/staging/xf86-video-mga/git-fixes.patch
new file mode 100644
index 000000000..3534342e6
--- /dev/null
+++ b/staging/xf86-video-mga/git-fixes.patch
@@ -0,0 +1,800 @@
+diff --git a/man/Makefile.am b/man/Makefile.am
+index b3688ce..1ea26b3 100644
+--- a/man/Makefile.am
++++ b/man/Makefile.am
+@@ -1,5 +1,5 @@
+ #
+-# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
++# Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ #
+ # Permission is hereby granted, free of charge, to any person obtaining a
+ # copy of this software and associated documentation files (the "Software"),
+@@ -19,7 +19,7 @@
+ # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ # DEALINGS IN THE SOFTWARE.
+-# 
++#
+ 
+ drivermandir = $(DRIVER_MAN_DIR)
+ 
+diff --git a/man/mga.man b/man/mga.man
+index 3a7a9f8..e1e674f 100644
+--- a/man/mga.man
++++ b/man/mga.man
+@@ -1,4 +1,3 @@
+-.\" $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga.man,v 1.7 2003/04/03 07:11:03 herrb Exp $ 
+ .\" shorthand for double quote that works everywhere.
+ .ds q \N'34'
+ .TH mga __drivermansuffix__ __vendorversion__
+diff --git a/src/binding.h b/src/binding.h
+index 6dcd1e9..57e9b92 100644
+--- a/src/binding.h
++++ b/src/binding.h
+@@ -13,7 +13,6 @@
+  @end
+ 
+ ***************************************************************************************/
+-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/HALlib/binding.h,v 1.3 2000/10/24 22:45:08 dawes Exp $ */
+ 
+ #ifndef _BINDING
+ #define _BINDING
+diff --git a/src/mga.h b/src/mga.h
+index 2cb3d88..c520e86 100644
+--- a/src/mga.h
++++ b/src/mga.h
+@@ -1,4 +1,3 @@
+-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga.h,v 1.87tsi Exp $ */
+ /*
+  * MGA Millennium (MGA2064W) functions
+  *
+@@ -137,6 +136,10 @@ void MGAdbg_outreg32(ScrnInfoPtr, int,int, char*);
+ #define PCI_CHIP_MGAG200_EH_PCI 0x0533
+ #endif
+ 
++#ifndef PCI_CHIP_MGAG200_ER_PCI
++#define PCI_CHIP_MGAG200_ER_PCI 0x0534
++#endif
++
+ /*
+  * Read/write to the DAC via MMIO 
+  */
+@@ -200,7 +203,9 @@ void MGAdbg_outreg32(ScrnInfoPtr, int,int, char*);
+ typedef struct {
+     unsigned char	ExtVga[6];
+     unsigned char 	DacClk[6];
+-    unsigned char *     DacRegs;
++    unsigned char	ExtVga_Index24;
++    unsigned char	Dac_Index90;
++    unsigned char * DacRegs;
+     unsigned long	crtc2[0x58];
+     unsigned char	dac2[0x21];
+     CARD32		Option;
+@@ -479,6 +484,7 @@ typedef struct {
+     int is_G200WB:1;
+     int is_G200EV:1;
+     int is_G200EH:1;
++    int is_G200ER:1;
+ 
+     int KVM;
+ 
+diff --git a/src/mga_common.h b/src/mga_common.h
+index 90f6b37..81be2bc 100644
+--- a/src/mga_common.h
++++ b/src/mga_common.h
+@@ -25,8 +25,6 @@
+  * Converted to common header format:
+  *   Jens Owen <jens@tungstengraphics.com>
+  *
+- * $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_common.h,v 1.2 2002/12/16 16:19:18 dawes Exp $
+- *
+  */
+ 
+ #ifndef _MGA_COMMON_H_
+diff --git a/src/mga_dacG.c b/src/mga_dacG.c
+index df00765..fca1031 100644
+--- a/src/mga_dacG.c
++++ b/src/mga_dacG.c
+@@ -444,6 +444,116 @@ MGAG200WBPIXPLLSET(ScrnInfoPtr pScrn, MGARegPtr mgaReg)
+     outMGAdac(MGA1064_REMHEADCTL, ucTempByte);
+ }
+ 
++#define G200ER_PLLREF 48000
++#define G200ER_VCOMIN 1056000
++#define G200ER_VCOMAX 1488000
++
++static void MGAG200ERComputePLLParam(ScrnInfoPtr pScrn, long lFo, int *piM, int *piN, int *piP)
++{
++
++    int  ulM;
++    int  ulN;
++    int  ulO;
++    int  ulR;
++
++    CARD32 ulComputedFo;
++    CARD32 ulVco;
++    CARD32 ulFDelta;
++    CARD32 ulFTmpDelta;
++
++    CARD32 aulMDivValue[] = {1, 2, 4, 8};
++
++    CARD32 ulFo   = lFo;
++
++    ulFDelta = 0xFFFFFFFF;
++
++    for (ulR = 0; ulR < 4;  ulR++)
++    {
++    	if(ulFDelta==0) break;
++        for (ulN = 5; (ulN <= 128) ; ulN++)
++        {
++            if(ulFDelta==0) break;
++            for (ulM = 3; ulM >= 0; ulM--)
++            {
++            	if(ulFDelta==0) break;
++                for (ulO = 5; ulO <= 32; ulO++)
++                {
++                	ulVco = (G200ER_PLLREF * (ulN+1)) / (ulR+1);
++                	// Validate vco
++                    if (ulVco < G200ER_VCOMIN) continue;
++					if (ulVco > G200ER_VCOMAX) continue;
++                	ulComputedFo = ulVco / (aulMDivValue[ulM] * (ulO+1));
++
++                    if (ulComputedFo > ulFo)
++                    {
++                        ulFTmpDelta = ulComputedFo - ulFo;
++                    }
++                    else
++                    {
++                        ulFTmpDelta = ulFo - ulComputedFo;
++                    }
++
++                    if (ulFTmpDelta < ulFDelta)
++                    {
++                        ulFDelta = ulFTmpDelta;
++                        // XG200ERPIXPLLCM M<1:0> O<7:3>
++                        *piM = (CARD8)ulM | (CARD8)(ulO<<3);
++                        //
++                        // XG200ERPIXPLLCN N<6:0>
++                        *piN = (CARD8)ulN;
++                        //
++                        // XG200ERPIXPLLCP R<1:0> cg<7:4> (Use R value)
++                        *piP = (CARD8)ulR | (CARD8)(ulR<<3);
++
++                        // Test
++                        int ftest = (G200ER_PLLREF * (ulN+1)) / ((ulR+1) * aulMDivValue[ulM] * (ulO+1));
++                        ftest=ftest;
++                    }
++                } // End O Loop
++            } // End M Loop
++        } // End N Loop
++    } // End R Loop
++}
++
++static void
++MGAG200ERPIXPLLSET(ScrnInfoPtr pScrn, MGARegPtr mgaReg)
++{
++    //TODO  G200ER Validate sequence 
++    CARD8 ucPixCtrl, ucTempByte;
++    MGAPtr pMga = MGAPTR(pScrn);
++
++
++    // Set pixclkdis to 1
++    ucPixCtrl = inMGAdac(MGA1064_PIX_CLK_CTL);
++    ucPixCtrl |= MGA1064_PIX_CLK_CTL_CLK_DIS;
++    outMGAdac(MGA1064_PIX_CLK_CTL, ucPixCtrl);
++
++    ucTempByte = inMGAdac(MGA1064_REMHEADCTL);
++    ucTempByte |= MGA1064_REMHEADCTL_CLKDIS;
++    outMGAdac(MGA1064_REMHEADCTL, ucTempByte);
++
++    // Select PLL Set C
++    ucTempByte = INREG8(MGAREG_MEM_MISC_READ);
++    ucTempByte |= (0x3<<2) | 0xc0; //select MGA pixel clock
++    OUTREG8(MGAREG_MEM_MISC_WRITE, ucTempByte);
++
++    ucPixCtrl &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
++    ucPixCtrl |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
++    outMGAdac(MGA1064_PIX_CLK_CTL, ucPixCtrl);
++
++    // Wait 500 us
++    usleep(500);
++
++    // Program the Pixel PLL Register
++    outMGAdac(MGA1064_ER_PIX_PLLC_N, mgaReg->PllN);
++    outMGAdac(MGA1064_ER_PIX_PLLC_M, mgaReg->PllM);
++    outMGAdac(MGA1064_ER_PIX_PLLC_P, mgaReg->PllP);
++
++        // Wait 50 us
++    usleep(50);
++
++}
++
+ static void
+ MGAG200WBPrepareForModeSwitch(ScrnInfoPtr pScrn)
+ {
+@@ -768,8 +878,13 @@ MGAGSetPCLK( ScrnInfoPtr pScrn, long f_out )
+ 
+ 	    pReg->PllM = m;
+ 	    pReg->PllN = n;
+-	    pReg->PllP = p;
+-        } else {
++	    pReg->PllP = p;		
++	} else if (pMga->is_G200ER) {
++	    MGAG200ERComputePLLParam(pScrn, f_out, &m, &n, &p);
++	    pReg->PllM = m;
++	    pReg->PllN = n;
++	    pReg->PllP = p;		
++    } else {
+ 	    /* Do the calculations for m, n, p and s */
+ 	    MGAGCalcClock( pScrn, f_out, &m, &n, &p, &s );
+ 
+@@ -966,6 +1081,10 @@ MGAGInit(ScrnInfoPtr pScrn, DisplayModePtr mode)
+                 pReg->Option2 = 0x0000b000;
+                 break;
+ 
++		case PCI_CHIP_MGAG200_ER_PCI:
++			pReg->Dac_Index90 = 0;
++			break;
++
+         case PCI_CHIP_MGAG200_EH_PCI:
+                 pReg->DacRegs[MGA1064_MISC_CTL] =
+                     MGA1064_MISC_CTL_VGA8 |
+@@ -1088,6 +1207,7 @@ MGAGInit(ScrnInfoPtr pScrn, DisplayModePtr mode)
+         if (pMga->is_G200WB){
+             pReg->ExtVga[1] |= 0x88;
+         }
++	pReg->ExtVga_Index24 = 0x05;
+ 		
+ 	pVga->CRTC[0]	= ht - 4;
+ 	pVga->CRTC[1]	= hd;
+@@ -1327,10 +1447,15 @@ MGA_NOT_HAL(
+ 	      if ( (pMga->is_G200EV || pMga->is_G200WB || pMga->is_G200EH) &&
+ 		   (i >= 0x44) && (i <= 0x4E))
+ 	         continue;
+-
++			 
+ 	      outMGAdac(i, mgaReg->DacRegs[i]);
+ 	   }
+ 	   
++		if (pMga->is_G200ER)
++        {
++			outMGAdac(0x90, mgaReg->Dac_Index90);
++        }
++   
+ 	   if (!MGAISGx50(pMga)) {
+ 	       /* restore pci_option register */
+ #ifdef XSERVER_LIBPCIACCESS
+@@ -1361,7 +1486,9 @@ MGA_NOT_HAL(
+ #endif
+ 	   }
+ 
+-           if (pMga->is_G200EV) {
++           if (pMga->is_G200ER) {
++               MGAG200ERPIXPLLSET(pScrn, mgaReg);               
++           } else  if (pMga->is_G200EV) {
+                MGAG200EVPIXPLLSET(pScrn, mgaReg);
+            } else if (pMga->is_G200WB) {
+                MGAG200WBPIXPLLSET(pScrn, mgaReg);
+@@ -1388,6 +1515,11 @@ MGA_NOT_HAL(
+            for (i = 0; i < 6; i++)
+ 	      OUTREG16(MGAREG_CRTCEXT_INDEX, (mgaReg->ExtVga[i] << 8) | i);
+ 
++           if (pMga->is_G200ER) {
++               OUTREG8(MGAREG_CRTCEXT_INDEX, 0x24);
++               OUTREG8(MGAREG_CRTCEXT_DATA,  mgaReg->ExtVga_Index24);			   
++           }
++
+ 	   /* This handles restoring the generic VGA registers. */
+ 	   if (pMga->is_G200SE) {
+  	      MGAG200SERestoreMode(pScrn, vgaReg);
+@@ -1404,7 +1536,7 @@ MGA_NOT_HAL(
+                OUTREG16(MGAREG_CRTCEXT_INDEX, 6);
+                OUTREG16(MGAREG_CRTCEXT_DATA, 0);
+            }
+-
++		   
+ 	   /*
+ 	    * this is needed to properly restore start address
+ 	    */
+@@ -1555,6 +1687,11 @@ MGAGSave(ScrnInfoPtr pScrn, vgaRegPtr vgaReg, MGARegPtr mgaReg,
+             mgaReg->PllM = inMGAdac(MGA1064_EH_PIX_PLLC_M);
+             mgaReg->PllN = inMGAdac(MGA1064_EH_PIX_PLLC_N);
+             mgaReg->PllP = inMGAdac(MGA1064_EH_PIX_PLLC_P);
++        } else if (pMga->is_G200ER) {
++            mgaReg->PllM = inMGAdac(MGA1064_ER_PIX_PLLC_M);
++            mgaReg->PllN = inMGAdac(MGA1064_ER_PIX_PLLC_N);
++            mgaReg->PllP = inMGAdac(MGA1064_ER_PIX_PLLC_P);
++            mgaReg->Dac_Index90 = inMGAdac(0x90);
+         }
+ 
+         mgaReg->PIXPLLCSaved = TRUE;
+@@ -1583,6 +1720,11 @@ MGAGSave(ScrnInfoPtr pScrn, vgaRegPtr vgaReg, MGARegPtr mgaReg,
+ 		OUTREG8(MGAREG_CRTCEXT_INDEX, i);
+ 		mgaReg->ExtVga[i] = INREG8(MGAREG_CRTCEXT_DATA);
+ 	}
++	if (pMga->is_G200ER)
++	{
++		OUTREG8(MGAREG_CRTCEXT_INDEX, 0x24);
++		mgaReg->ExtVga_Index24 = INREG8(MGAREG_CRTCEXT_DATA);
++	}
+ 
+ #ifdef DEBUG		
+ 	ErrorF("Saved values:\nDAC:");
+@@ -1737,7 +1879,7 @@ static const struct mgag_i2c_private {
+     { (1 << 0), (1 << 2) },
+     { (1 << 4), (1 << 5) },
+     { (1 << 0), (1 << 1) },  /* G200SE, G200EV and G200WB I2C bits */
+-    { (1 << 1), (1 << 0) },  /* G200EH I2C bits */
++    { (1 << 1), (1 << 0) },  /* G200EH, G200ER I2C bits */
+ };
+ 
+ 
+@@ -1750,7 +1892,7 @@ MGAG_ddc1Read(ScrnInfoPtr pScrn)
+ 
+   if (pMga->is_G200SE || pMga->is_G200WB || pMga->is_G200EV)
+     i2c_index = 3;
+-  else if (pMga->is_G200EH)
++  else if (pMga->is_G200EH || pMga->is_G200ER)
+     i2c_index = 4;
+   else
+     i2c_index = 0;
+@@ -1851,7 +1993,7 @@ MGAG_i2cInit(ScrnInfoPtr pScrn)
+ 
+         if (pMga->is_G200SE || pMga->is_G200WB || pMga->is_G200EV)
+             i2c_index = 3;
+-        else if (pMga->is_G200EH)
++        else if (pMga->is_G200EH || pMga->is_G200ER)
+             i2c_index = 4;
+         else
+             i2c_index = 0;
+@@ -1976,7 +2118,7 @@ void MGAGSetupFuncs(ScrnInfoPtr pScrn)
+     pMga->Save = MGAGSave;
+     pMga->Restore = MGAGRestore;
+     pMga->ModeInit = MGAGInit;
+-    if (!pMga->is_G200WB){
++    if ((!pMga->is_G200WB) && (!pMga->is_G200ER)) {
+         pMga->ddc1Read = MGAG_ddc1Read;
+         /* vgaHWddc1SetSpeed will only work if the card is in VGA mode */
+         pMga->DDC1SetSpeed = vgaHWddc1SetSpeedWeak();
+diff --git a/src/mga_dri.c b/src/mga_dri.c
+index 3fda623..14f342f 100644
+--- a/src/mga_dri.c
++++ b/src/mga_dri.c
+@@ -32,7 +32,6 @@
+ 
+ #include "xf86.h"
+ #include "xf86_OSproc.h"
+-#include "xf86Priv.h"
+ 
+ #include "xf86PciInfo.h"
+ #include "xf86Pci.h"
+diff --git a/src/mga_dri.h b/src/mga_dri.h
+index f1afb5d..1984b9c 100644
+--- a/src/mga_dri.h
++++ b/src/mga_dri.h
+@@ -1,5 +1,3 @@
+-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dri.h,v 1.6 2001/04/10 16:08:01 dawes Exp $ */
+-
+ /*
+  * Copyright 2000 VA Linux Systems Inc., Fremont, California.
+  * All Rights Reserved.
+diff --git a/src/mga_dripriv.h b/src/mga_dripriv.h
+index 3ddd133..feca134 100644
+--- a/src/mga_dripriv.h
++++ b/src/mga_dripriv.h
+@@ -1,5 +1,3 @@
+-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dripriv.h,v 1.4 2001/04/10 16:08:01 dawes Exp $ */
+-
+ /*
+  * Copyright 2000 VA Linux Systems Inc., Fremont, California.
+  * All Rights Reserved.
+diff --git a/src/mga_driver.c b/src/mga_driver.c
+index 5a1e9b4..b140013 100644
+--- a/src/mga_driver.c
++++ b/src/mga_driver.c
+@@ -1,4 +1,3 @@
+-/* $XConsortium: mga_driver.c /main/12 1996/10/28 05:13:26 kaleb $ */
+ /*
+  * MGA Millennium (MGA2064W) with Ti3026 RAMDAC driver v.1.1
+  *
+@@ -404,6 +403,21 @@ static const struct mga_device_attributes attribs[] = {
+ 	8192, 0x4000,          /* Memory probe size & offset values */
+     },
+ 
++    /* G200ER */
++    [15] = { 0, 1, 0, 0, 1, 0, 0, 0, new_BARs,
++            (TRANSC_SOLID_FILL | TWO_PASS_COLOR_EXPAND | USE_LINEAR_EXPANSION),
++	{
++	    { 50000, 230000 }, /* System VCO frequencies */
++	    { 50000, 203400 }, /* Pixel VCO frequencies */
++	    { 0, 0 },          /* Video VCO frequencies */
++	    45000,            /* Memory clock */
++	    27050,             /* PLL reference frequency */
++	    0,                 /* Supports fast bitblt? */
++	    MGA_HOST_PCI       /* Host interface */
++	},
++
++	16384, 0x4000,          /* Memory probe size & offset values */
++    }
+ };
+ 
+ #ifdef XSERVER_LIBPCIACCESS
+@@ -433,6 +447,8 @@ static const struct pci_id_match mga_device_match[] = {
+ 
+     MGA_DEVICE_MATCH( PCI_CHIP_MGAG200_EH_PCI, 14 ),
+ 
++	MGA_DEVICE_MATCH(PCI_CHIP_MGAG200_ER_PCI, 15 ),
++
+     { 0, 0, 0 },
+ };
+ #endif
+@@ -450,6 +466,7 @@ static SymTabRec MGAChipsets[] = {
+     { PCI_CHIP_MGAG200_SE_A_PCI,	"mgag200 SE A PCI" },
+     { PCI_CHIP_MGAG200_SE_B_PCI,	"mgag200 SE B PCI" },
+     { PCI_CHIP_MGAG200_EV_PCI,	"mgag200 EV Maxim" },
++    { PCI_CHIP_MGAG200_ER_PCI,	"mgag200 ER SH7757" },	
+     { PCI_CHIP_MGAG200_WINBOND_PCI,	"mgag200 eW Nuvoton" },
+     { PCI_CHIP_MGAG200_EH_PCI,	"mgag200eH" },
+     { PCI_CHIP_MGAG400,		"mgag400" },
+@@ -472,6 +489,8 @@ static PciChipsets MGAPciChipsets[] = {
+ 	RES_SHARED_VGA },
+     { PCI_CHIP_MGAG200_EV_PCI, PCI_CHIP_MGAG200_EV_PCI,
+ 	RES_SHARED_VGA },
++    { PCI_CHIP_MGAG200_ER_PCI, PCI_CHIP_MGAG200_ER_PCI,
++	RES_SHARED_VGA },
+     { PCI_CHIP_MGAG200_WINBOND_PCI, PCI_CHIP_MGAG200_WINBOND_PCI,
+ 	RES_SHARED_VGA },
+     { PCI_CHIP_MGAG200_EH_PCI, PCI_CHIP_MGAG200_EH_PCI,
+@@ -913,6 +932,11 @@ MGAProbe(DriverPtr drv, int flags)
+             case PCI_CHIP_MGAG200_EH_PCI:
+                 attrib_no = 14;
+                 break;
++				
++            case PCI_CHIP_MGAG200_ER_PCI:
++                attrib_no = 15;
++                break;
++				
+ 
+ 	    default:
+ 		return FALSE;
+@@ -1081,7 +1105,7 @@ MGACountRam(ScrnInfoPtr pScrn)
+ 
+ 	if (pMga->is_G200SE)
+ 	    pMga->reg_1e24 = INREG(0x1e24); /* stash the model for later */
+-	if (pMga->reg_1e24 == 0x01) {
++	if (pMga->reg_1e24 >= 0x01) {
+ 	    MGAUnmapMem(pScrn);
+ 	    ProbeSize = 16384;
+ 	    ProbeSizeOffset = 0x10000;
+@@ -1286,6 +1310,11 @@ MGAdoDDC(ScrnInfoPtr pScrn)
+     MGASave(pScrn);
+ 
+     /* It is now safe to talk to the card */
++    /* Allow access to DDC */
++    if (pMga->is_G200ER) {
++	 CARD8 ucData = inMGAdac(MGA1064_GEN_IO_CTL2);
++     outMGAdac(MGA1064_GEN_IO_CTL2, ucData | 1);        
++    }
+ 
+     /* Initialize I2C buses - used by DDC if available */
+     if (pMga->i2cInit) {
+@@ -1327,6 +1356,12 @@ MGAdoDDC(ScrnInfoPtr pScrn)
+ 	xf86DrvMsg(pScrn->scrnIndex, X_INFO, "end of monitor info\n");
+     }
+ 
++    /* Remove access to DDC */
++    if (pMga->is_G200ER) {
++	  CARD8 ucData = inMGAdac(MGA1064_GEN_IO_CTL2);
++      outMGAdac(MGA1064_GEN_IO_CTL2, ucData & ~1);        
++    }
++
+     /* Restore previous state and unmap MGA memory and MMIO areas */
+     MGARestore(pScrn);
+     MGAUnmapMem(pScrn);
+@@ -1620,6 +1655,7 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
+     pMga->is_G200EV = (pMga->Chipset == PCI_CHIP_MGAG200_EV_PCI);
+     pMga->is_G200WB = (pMga->Chipset == PCI_CHIP_MGAG200_WINBOND_PCI);
+     pMga->is_G200EH = (pMga->Chipset == PCI_CHIP_MGAG200_EH_PCI);
++    pMga->is_G200ER = (pMga->Chipset == PCI_CHIP_MGAG200_ER_PCI);
+ 
+ #ifdef USEMGAHAL
+     if (pMga->chip_attribs->HAL_chipset) {
+@@ -1780,15 +1816,9 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
+ #ifndef XSERVER_LIBPCIACCESS
+     /*
+      * Find the BIOS base.  Get it from the PCI config if possible.  Otherwise
+-     * use the VGA default.  Allow the config file to override this.
++     * use the VGA default.
+      */
+ 
+-    pMga->BiosFrom = X_NONE;
+-    if (pMga->device->BiosBase != 0) {
+-	/* XXX This isn't used */
+-	pMga->BiosAddress = pMga->device->BiosBase;
+-	pMga->BiosFrom = X_CONFIG;
+-    } else {
+ 	/* details: rombase sdk pp 4-15 */
+ 	if (pMga->PciInfo->biosBase != 0) {
+ 	    pMga->BiosAddress = pMga->PciInfo->biosBase & 0xffff0000;
+@@ -1797,7 +1827,6 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
+ 	    pMga->BiosAddress = 0xc0000;
+ 	    pMga->BiosFrom = X_DEFAULT;
+ 	}
+-    }
+     if (pMga->BiosAddress) {
+ 	xf86DrvMsg(pScrn->scrnIndex, pMga->BiosFrom, "BIOS at 0x%lX\n",
+ 		   (unsigned long)pMga->BiosAddress);
+@@ -2142,6 +2171,7 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
+     case PCI_CHIP_MGAG200_WINBOND_PCI:
+     case PCI_CHIP_MGAG200_EV_PCI:
+     case PCI_CHIP_MGAG200_EH_PCI:
++    case PCI_CHIP_MGAG200_ER_PCI:	
+     case PCI_CHIP_MGAG400:
+     case PCI_CHIP_MGAG550:
+ 	MGAGSetupFuncs(pScrn);
+@@ -2255,6 +2285,7 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
+           case PCI_CHIP_MGAG200_WINBOND_PCI:
+ 	  case PCI_CHIP_MGAG200_EV_PCI:
+       case PCI_CHIP_MGAG200_EH_PCI:
++	  case PCI_CHIP_MGAG200_ER_PCI:	  
+ 	    pMga->SrcOrg = 0;
+ 	    pMga->DstOrg = 0;
+ 	    break;
+@@ -2432,16 +2463,17 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
+ 	   maxPitch = 2048;
+ 	   break;
+ 	case PCI_CHIP_MGAG200_SE_A_PCI:
+-	   if (pScrn->videoRam < 2048){
++           if (pScrn->videoRam < 2048){
+                maxPitch = 1280;
+-	   }
+-	   break;
++           }
++           break;
+ 	case PCI_CHIP_MGAG200:
+ 	case PCI_CHIP_MGAG200_PCI:
+ 	case PCI_CHIP_MGAG200_SE_B_PCI:
+         case PCI_CHIP_MGAG200_WINBOND_PCI:
+ 	case PCI_CHIP_MGAG200_EV_PCI:
+     case PCI_CHIP_MGAG200_EH_PCI:
++	case PCI_CHIP_MGAG200_ER_PCI:	
+ 	case PCI_CHIP_MGAG400:
+ 	case PCI_CHIP_MGAG550:
+ 	   maxPitch = 4096;
+@@ -3250,15 +3282,71 @@ MGA_HAL(
+ 	    outb(0xfac, 0x02);
+     }
+ 
+-    MGA_NOT_HAL(
+-	if (pMga->is_G200SE) {
++    /* 
++     This function optimize the Priority Request control
++     Higher HiPriLvl will reduce drawing performance
++     We need to give enough bandwith to crtc to avoid visual artifact
++    */
++	if (pMga->is_G200SE) 
++    {
++        if (pMga->reg_1e24 >= 0x02)
++        {
++            /* Calulate CRTC Priority value */
++            CARD8  ucHiPriLvl;
++            CARD32 ulBitsPerPixel;
++            CARD32 ulMemoryBandwidth;
++
++            /* uiBitsPerPixel can only be 8,16 or32 */
++            if (pScrn->bitsPerPixel > 16)
++            {
++                ulBitsPerPixel = 32;
++            }
++            else if (pScrn->bitsPerPixel >  8) 
++            {
++                ulBitsPerPixel = 16;
++            }
++            else 
++            {
++                ulBitsPerPixel = 8;
++            }
++
++            
++            ulMemoryBandwidth = (mode->Clock * ulBitsPerPixel) / 1000;
++
++            if      (ulMemoryBandwidth    > 3100)  ucHiPriLvl = 0;
++            else if (ulMemoryBandwidth    > 2600)  ucHiPriLvl = 1;
++            else if (ulMemoryBandwidth    > 1900)  ucHiPriLvl = 2;
++            else if (ulMemoryBandwidth    > 1160)  ucHiPriLvl = 3;
++            else if (ulMemoryBandwidth    > 440)   ucHiPriLvl = 4;
++            else ucHiPriLvl = 5;
++
+             OUTREG8(0x1FDE, 0x06);
+-	    if (pMga->reg_1e24 == 0x01)
+-		OUTREG8(0x1FDF, 0x03);
+-	    else 
+-		OUTREG8(0x1FDF, 0x14);
++		    OUTREG8(0x1FDF, ucHiPriLvl);
++
++            xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Clock           == %d\n",   mode->Clock);
++            xf86DrvMsg(pScrn->scrnIndex, X_INFO, "BitsPerPixel    == %d\n",   pScrn->bitsPerPixel);
++            xf86DrvMsg(pScrn->scrnIndex, X_INFO, "MemoryBandwidth == %d\n",   ulMemoryBandwidth);
++            xf86DrvMsg(pScrn->scrnIndex, X_INFO, "HiPriLvl        == %02X\n", ucHiPriLvl);
+         }
+-    );
++        else
++        {
++            MGA_NOT_HAL(
++                xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Clock           == %d\n",   mode->Clock);
++                xf86DrvMsg(pScrn->scrnIndex, X_INFO, "BitsPerPixel    == %d\n",   pScrn->bitsPerPixel);
++                OUTREG8(0x1FDE, 0x06);
++	            if (pMga->reg_1e24 >= 0x01)
++                {
++		            OUTREG8(0x1FDF, 0x03);
++                    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "HiPriLvl        == 03\n");
++                }
++	            else 
++                {
++		            OUTREG8(0x1FDF, 0x14);
++                    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "HiPriLvl        == 14h\n");
++                }
++            );
++        }
++    }
+ 
+     pMga->CurrentLayout.mode = mode;
+ 
+@@ -4322,13 +4410,23 @@ MGAValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
+     MGAPtr pMga = MGAPTR(pScrn);
+ 
+     if (pMga->Chipset == PCI_CHIP_MGAG200_SE_A_PCI) {
+-	if (mode->HDisplay > 1600)
+-	    return MODE_VIRTUAL_X;
+-	if (mode->VDisplay > 1200)
+-	    return MODE_VIRTUAL_Y;
+-	if (pMga->reg_1e24 == 0x01 &&
+-	    xf86ModeBandwidth(mode, pScrn->bitsPerPixel) > 244)
+-	    return MODE_BANDWIDTH;
++    	if (pMga->reg_1e24 == 0x01) {
++	        if (mode->HDisplay > 1600)
++	            return MODE_VIRTUAL_X;
++	        if (mode->VDisplay > 1200)
++	            return MODE_VIRTUAL_Y;
++	        if (xf86ModeBandwidth(mode, pScrn->bitsPerPixel) > 244)
++	            return MODE_BANDWIDTH;
++        } else {
++            if (pMga->reg_1e24 >= 0x02) {
++	            if (mode->HDisplay > 1920)
++	                return MODE_VIRTUAL_X;
++	            if (mode->VDisplay > 1200)
++	                return MODE_VIRTUAL_Y;
++	            if (xf86ModeBandwidth(mode, pScrn->bitsPerPixel) > 301)
++	                return MODE_BANDWIDTH;
++            }
++        }
+     } else if (pMga->is_G200WB){
+         if (mode->Flags & V_DBLSCAN)
+             return MODE_NO_DBLESCAN;
+@@ -4340,10 +4438,13 @@ MGAValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
+ 	    return MODE_BANDWIDTH;
+     } else if (pMga->is_G200EV
+ 	       && (xf86ModeBandwidth(mode, pScrn->bitsPerPixel) > 327)) {
+-        return MODE_BANDWIDTH;
++	return MODE_BANDWIDTH;
+     } else if (pMga->is_G200EH
+                && (xf86ModeBandwidth(mode, pScrn->bitsPerPixel) > 375)) {
+         return MODE_BANDWIDTH;
++    } else if (pMga->is_G200ER
++               && (xf86ModeBandwidth(mode, pScrn->bitsPerPixel) > 550)) {
++        return MODE_BANDWIDTH;
+     }
+ 
+     lace = 1 + ((mode->Flags & V_INTERLACE) != 0);
+diff --git a/src/mga_macros.h b/src/mga_macros.h
+index 69dc8e3..bffd063 100644
+--- a/src/mga_macros.h
++++ b/src/mga_macros.h
+@@ -1,5 +1,3 @@
+-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_macros.h,v 1.21 2001/09/26 12:59:17 alanh Exp $ */
+-
+ #ifndef _MGA_MACROS_H_
+ #define _MGA_MACROS_H_
+ 
+diff --git a/src/mga_merge.c b/src/mga_merge.c
+index 753f752..1fd0572 100644
+--- a/src/mga_merge.c
++++ b/src/mga_merge.c
+@@ -363,6 +363,7 @@ MGAPreInitMergedFB(ScrnInfoPtr pScrn1, int flags)
+     case PCI_CHIP_MGAG200_WINBOND_PCI:
+     case PCI_CHIP_MGAG200_EV_PCI:
+     case PCI_CHIP_MGAG200_EH_PCI:
++	case PCI_CHIP_MGAG200_ER_PCI:
+     case PCI_CHIP_MGAG400:
+     case PCI_CHIP_MGAG550:
+ 	MGAGSetupFuncs(pScrn);
+@@ -518,6 +519,7 @@ MGAPreInitMergedFB(ScrnInfoPtr pScrn1, int flags)
+         case PCI_CHIP_MGAG200_WINBOND_PCI:
+         case PCI_CHIP_MGAG200_EV_PCI:
+         case PCI_CHIP_MGAG200_EH_PCI:
++	case PCI_CHIP_MGAG200_ER_PCI:		
+ 	case PCI_CHIP_MGAG400:
+ 	case PCI_CHIP_MGAG550:
+ 	   maxPitch = 4096;
+diff --git a/src/mga_reg.h b/src/mga_reg.h
+index 6251976..5a37db6 100644
+--- a/src/mga_reg.h
++++ b/src/mga_reg.h
+@@ -1,11 +1,3 @@
+-/* $XConsortium: mgareg.h /main/2 1996/10/25 10:33:21 kaleb $ */
+-
+-
+-
+-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_reg.h,v 1.18 2001/09/26 12:59:18 alanh Exp $ */
+-
+-
+-
+ /*
+  * MGA Millennium (MGA2064W) functions
+  * MGA Mystique (MGA1064SG) functions
+@@ -377,6 +369,7 @@
+ #define MGA1064_MISC_CTL_VGA8   		( 0x01 << 3 )
+ #define MGA1064_MISC_CTL_DAC_RAM_CS   		( 0x01 << 4 )
+ 
++#define MGA1064_GEN_IO_CTL2	0x29
+ #define MGA1064_GEN_IO_CTL	0x2a
+ #define MGA1064_GEN_IO_DATA	0x2b
+ #define MGA1064_SYS_PLL_M	0x2c
+@@ -437,6 +430,10 @@
+ #define MGA1064_EH_PIX_PLLC_N   0xb7
+ #define MGA1064_EH_PIX_PLLC_P   0xb8
+ 
++/* Modified PLL for G200 Maxim (G200ER) */
++#define MGA1064_ER_PIX_PLLC_M	0xb7
++#define MGA1064_ER_PIX_PLLC_N	0xb6
++#define MGA1064_ER_PIX_PLLC_P	0xb8
+ 
+ #define MGA1064_DISP_CTL        0x8a
+ #define MGA1064_DISP_CTL_DAC1OUTSEL_MASK       0x01
+diff --git a/src/mga_sarea.h b/src/mga_sarea.h
+index c5ffbbc..16fc9ce 100644
+--- a/src/mga_sarea.h
++++ b/src/mga_sarea.h
+@@ -1,5 +1,3 @@
+-/* $XFree86$ */
+-
+ /*
+  * Copyright 2000 Gareth Hughes
+  * All Rights Reserved.
+diff --git a/src/mga_storm.c b/src/mga_storm.c
+index 87473c8..db7fae7 100644
+--- a/src/mga_storm.c
++++ b/src/mga_storm.c
+@@ -1131,6 +1131,7 @@ void MGAStormEngineInit( ScrnInfoPtr pScrn )
+     case PCI_CHIP_MGAG200_WINBOND_PCI:
+     case PCI_CHIP_MGAG200_EV_PCI:
+     case PCI_CHIP_MGAG200_EH_PCI:
++    case PCI_CHIP_MGAG200_ER_PCI:	
+ 	pMga->SrcOrg = 0;
+ 	OUTREG(MGAREG_SRCORG, pMga->realSrcOrg);
+ 	OUTREG(MGAREG_DSTORG, pMga->DstOrg);
+diff --git a/src/mgareg_flags.h b/src/mgareg_flags.h
+index 69050fc..548af86 100644
+--- a/src/mgareg_flags.h
++++ b/src/mgareg_flags.h
+@@ -19,7 +19,6 @@
+  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
+  * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+  */
+-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mgareg_flags.h,v 1.2 2003/01/12 03:55:47 tsi Exp $ */
+ 
+ #ifndef _MGAREGS_H_
+ #define _MGAREGS_H_
+diff --git a/util/stormdwg.c b/util/stormdwg.c
+index 99f76cc..b43cc32 100644
+--- a/util/stormdwg.c
++++ b/util/stormdwg.c
+@@ -1,8 +1,3 @@
+-/* $XConsortium: dwg.c /main/2 1996/10/28 06:57:55 kaleb $ */
+-
+-
+-
+-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/util/stormdwg.c,v 1.1 1997/04/12 14:11:29 hohndel Exp $ */
+ 
+ #include <stdio.h>
+ #include <stdlib.h>