10360: Need to inject a mode corresponding panel width/height for validation

2 files changed, 73 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 274697c..1b3140b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,6 +59,9 @@ PKG_CHECK_EXISTS([xorg-server >= 1.0.99.901],
                  [AC_DEFINE(HAVE_XV_DRAWABLE,1,[XV hooks take a DrawablePtr])],
                  [AC_DEFINE(USE_LIBC_WRAPPER,1,[Use the libc wrapper])])
 
+PKG_CHECK_EXISTS([xorg-server >= 1.1.99.901],
+                 [AC_DEFINE(USE_CVTMODE_FUNC,1,[Use xf86CVTMode func])])
+
 # Checks for pkg-config packages
 PKG_CHECK_MODULES(XORG, [xorg-server xproto fontsproto $REQUIRED_MODULES])
 sdkdir=$(pkg-config --variable=sdkdir xorg-server)
diff --git a/src/nv_driver.c b/src/nv_driver.c
index 8ab76f6..7ac162a 100644
--- a/src/nv_driver.c
+++ b/src/nv_driver.c
@@ -1021,6 +1021,33 @@ Bool NVI2CInit(ScrnInfoPtr pScrn)
     return FALSE;
 }
 
+
+#ifdef USE_CVTMODE_FUNC
+/* Copied from ddc/Property.c */
+static DisplayModePtr
+NVModesAdd(DisplayModePtr Modes, DisplayModePtr Additions)
+{
+    if (!Modes) {
+        if (Additions)
+            return Additions;
+        else
+            return NULL;
+    }
+
+    if (Additions) {
+        DisplayModePtr Mode = Modes;
+
+        while (Mode->next)
+            Mode = Mode->next;
+        
+        Mode->next = Additions;
+        Additions->prev = Mode;
+    }
+
+    return Modes;
+}
+#endif
+
 /* Mandatory */
 Bool
 NVPreInit(ScrnInfoPtr pScrn, int flags)
@@ -1030,6 +1057,9 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
     int i, max_width, max_height;
     ClockRangePtr clockRanges;
     const char *s;
+#ifdef USE_CVTMODE_FUNC
+    int config_mon_rates;
+#endif
 
     if (flags & PROBE_DETECT) {
         EntityInfoPtr pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
@@ -1487,6 +1517,14 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
     pNv->alphaCursor = (pNv->Architecture >= NV_ARCH_10) &&
                        ((pNv->Chipset & 0x0ff0) != 0x0100);
 
+#ifdef USE_CVTMODE_FUNC
+    if ((pScrn->monitor->nHsync == 0) && 
+	(pScrn->monitor->nVrefresh == 0))
+	config_mon_rates = FALSE;
+    else
+	config_mon_rates = TRUE;
+#endif
+
     NVCommonSetup(pScrn);
 
     if (pNv->FBDev) {
@@ -1556,6 +1594,38 @@ NVPreInit(ScrnInfoPtr pScrn, int flags)
        max_height = 4096;
     }
 
+#ifdef USE_CVTMODE_FUNC
+    /* If DFP, add a modeline corresponding to its panel size */
+    if (pNv->FlatPanel && !pNv->Television && pNv->fpWidth && pNv->fpHeight) {
+	DisplayModePtr Mode;
+
+	Mode = xnfcalloc(1, sizeof(DisplayModeRec));
+	Mode = xf86CVTMode(pNv->fpWidth, pNv->fpHeight, 60.00, TRUE, FALSE);
+	Mode->type = M_T_DRIVER;
+	pScrn->monitor->Modes = NVModesAdd(pScrn->monitor->Modes, Mode);
+
+	if (!config_mon_rates) {
+	    if (!Mode->HSync)
+            	Mode->HSync = ((float) Mode->Clock ) / ((float) Mode->HTotal);
+            if (!Mode->VRefresh)
+            	Mode->VRefresh = (1000.0 * ((float) Mode->Clock)) /
+                    ((float) (Mode->HTotal * Mode->VTotal));
+
+ 	    if (Mode->HSync < pScrn->monitor->hsync[0].lo)
+            	pScrn->monitor->hsync[0].lo = Mode->HSync;
+            if (Mode->HSync > pScrn->monitor->hsync[0].hi)
+            	pScrn->monitor->hsync[0].hi = Mode->HSync;
+            if (Mode->VRefresh < pScrn->monitor->vrefresh[0].lo)
+            	pScrn->monitor->vrefresh[0].lo = Mode->VRefresh;
+            if (Mode->VRefresh > pScrn->monitor->vrefresh[0].hi)
+            	pScrn->monitor->vrefresh[0].hi = Mode->VRefresh;
+
+	    pScrn->monitor->nHsync = 1;
+	    pScrn->monitor->nVrefresh = 1;
+	}
+    }
+#endif
+
     /*
      * xf86ValidateModes will check that the mode HTotal and VTotal values
      * don't exceed the chipset's limit if pScrn->maxHValue and