1 files changed, 25 insertions, 9 deletions

diff --git a/xorg-server/hw/xfree86/modes/xf86Modes.c b/xorg-server/hw/xfree86/modes/xf86Modes.c
index ea398ad81..1522fa731 100644
--- a/xorg-server/hw/xfree86/modes/xf86Modes.c
+++ b/xorg-server/hw/xfree86/modes/xf86Modes.c
@@ -52,7 +52,7 @@ extern XF86ConfigPtr xf86configptr;
  * Exact copy of xf86Mode.c's.
  */
 _X_EXPORT double
-xf86ModeHSync(DisplayModePtr mode)
+xf86ModeHSync(const DisplayModeRec *mode)
 {
     double hsync = 0.0;
     
@@ -70,7 +70,7 @@ xf86ModeHSync(DisplayModePtr mode)
  * Exact copy of xf86Mode.c's.
  */
 _X_EXPORT double
-xf86ModeVRefresh(DisplayModePtr mode)
+xf86ModeVRefresh(const DisplayModeRec *mode)
 {
     double refresh = 0.0;
 
@@ -89,7 +89,7 @@ xf86ModeVRefresh(DisplayModePtr mode)
 }
 
 _X_EXPORT int
-xf86ModeWidth (DisplayModePtr mode, Rotation rotation)
+xf86ModeWidth (const DisplayModeRec *mode, Rotation rotation)
 {
     switch (rotation & 0xf) {
     case RR_Rotate_0:
@@ -104,7 +104,7 @@ xf86ModeWidth (DisplayModePtr mode, Rotation rotation)
 }
 
 _X_EXPORT int
-xf86ModeHeight (DisplayModePtr mode, Rotation rotation)
+xf86ModeHeight (const DisplayModeRec *mode, Rotation rotation)
 {
     switch (rotation & 0xf) {
     case RR_Rotate_0:
@@ -206,7 +206,7 @@ xf86SetModeCrtc(DisplayModePtr p, int adjustFlags)
  * Allocates and returns a copy of pMode, including pointers within pMode.
  */
 _X_EXPORT DisplayModePtr
-xf86DuplicateMode(DisplayModePtr pMode)
+xf86DuplicateMode(const DisplayModeRec *pMode)
 {
     DisplayModePtr pNew;
 
@@ -264,7 +264,7 @@ xf86DuplicateModes(ScrnInfoPtr pScrn, DisplayModePtr modeList)
  * This isn't in xf86Modes.c, but it might deserve to be there.
  */
 _X_EXPORT Bool
-xf86ModesEqual(DisplayModePtr pMode1, DisplayModePtr pMode2)
+xf86ModesEqual(const DisplayModeRec *pMode1, const DisplayModeRec *pMode2)
 {
      if (pMode1->Clock == pMode2->Clock &&
 	 pMode1->HDisplay == pMode2->HDisplay &&
@@ -509,10 +509,27 @@ xf86ValidateModesBandwidth(ScrnInfoPtr pScrn, DisplayModePtr modeList,
 
     for (mode = modeList; mode != NULL; mode = mode->next) {
 	if (xf86ModeBandwidth(mode, depth) > bandwidth)
+#if XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(7,0,0,0,0)
 	    mode->status = MODE_BANDWIDTH;
+#else
+	    /* MODE_BANDWIDTH didn't exist in xserver 1.2 */
+	    mode->status = MODE_BAD;
+#endif
     }
 }
 
+Bool
+xf86ModeIsReduced(const DisplayModeRec *mode)
+{
+    if ((((mode->HDisplay * 5 / 4) & ~0x07) > mode->HTotal) &&
+        ((mode->HTotal - mode->HDisplay) == 160) &&
+	((mode->HSyncEnd - mode->HDisplay) == 80) &&
+	((mode->HSyncEnd - mode->HSyncStart) == 32) &&
+	((mode->VSyncStart - mode->VDisplay) == 3))
+	return TRUE;
+    return FALSE;
+}
+
 /**
  * Marks as bad any reduced-blanking modes.
  *
@@ -521,7 +538,6 @@ xf86ValidateModesBandwidth(ScrnInfoPtr pScrn, DisplayModePtr modeList,
 _X_EXPORT void
 xf86ValidateModesReducedBlanking(ScrnInfoPtr pScrn, DisplayModePtr modeList)
 {
-    Bool mode_is_reduced = FALSE;
     DisplayModePtr mode;
 
     for (mode = modeList; mode != NULL; mode = mode->next) {
@@ -677,12 +693,12 @@ xf86GetMonitorModes (ScrnInfoPtr pScrn, XF86ConfMonitorPtr conf_monitor)
 _X_EXPORT DisplayModePtr
 xf86GetDefaultModes (Bool interlaceAllowed, Bool doubleScanAllowed)
 {
-    DisplayModePtr  head = NULL, prev = NULL, mode;
+    DisplayModePtr  head = NULL, mode;
     int		    i;
 
     for (i = 0; i < xf86NumDefaultModes; i++)
     {
-	DisplayModePtr	defMode = &xf86DefaultModes[i];
+	const DisplayModeRec	*defMode = &xf86DefaultModes[i];
 	
 	if (!interlaceAllowed && (defMode->Flags & V_INTERLACE))
 	    continue;