xorg-x11-server/xorg-server-walk_drivers.diff

--- hw/xfree86/common/xf86AutoConfig.c
+++ hw/xfree86/common/xf86AutoConfig.c
@@ -541,22 +541,32 @@
 static char*
 chooseVideoDriver(void)
 {
-    char *chosen_driver = NULL;
-    int i;
+    char *chosen_driver = NULL, *match_driver;
+    int i, len = 0;
     char *matches[20]; /* If we have more than 20 drivers we're in trouble */
 
     listPossibleVideoDrivers(matches, 20);
 
-    /* TODO Handle multiple drivers claiming to support the same PCI ID */
-    chosen_driver = matches[0];
+    for (i = 0; matches[i] ; i++) {
+	len += strlen(matches[i])+1;
+    }
+
+    chosen_driver = (char*)xalloc(len);
+    match_driver = chosen_driver;
+    for (i = 0; matches[i] ; i++) {
+        strcpy(match_driver, matches[i]);
+        match_driver += strlen(matches[i]);
+        if (matches[i+1]) {
+            strcat(chosen_driver, ",");
+            match_driver++;
+        }
+    }
 
     xf86Msg(X_DEFAULT, "Matched %s for the autoconfigured driver\n",
 	    chosen_driver);
 
     for (i = 0; matches[i] ; i++) {
-        if (matches[i] != chosen_driver) {
-            xfree(matches[i]);
-        }
+	xfree(matches[i]);
     }
 
     return chosen_driver;
--- hw/xfree86/common/xf86Config.c
+++ hw/xfree86/common/xf86Config.c
@@ -381,6 +381,7 @@
     int count = 0;
     int j;
     char **modulearray;
+    char *screendriver, *screendriver_next;
     screenLayoutPtr slp;
     
     /*
@@ -400,8 +401,14 @@
      */
     if (xf86ConfigLayout.screens) {
         slp = xf86ConfigLayout.screens;
-        while ((slp++)->screen) {
+        while (slp->screen) {
+	    screendriver = slp->screen->device->driver;
+	    while ((screendriver = strchr(screendriver,',')) != NULL) {
+		screendriver++;
+		count++;
+	    }
 	    count++;
+	    slp++;
         }
     }
 
@@ -422,7 +429,16 @@
     count = 0;
     slp = xf86ConfigLayout.screens;
     while (slp->screen) {
-	modulearray[count] = slp->screen->device->driver;
+	screendriver = slp->screen->device->driver;
+	while ((screendriver_next = strchr(screendriver,',')) != NULL) {
+	    int entry_len = screendriver_next - screendriver;
+	    modulearray[count] = xnfalloc((entry_len+1)*sizeof(char));
+	    strncpy(modulearray[count],screendriver,entry_len);
+	    *(modulearray[count] + entry_len) = '\0';
+	    screendriver = screendriver_next+1;
+	    count++;
+	}
+	modulearray[count] = screendriver;
 	count++;
 	slp++;
     }
--- hw/xfree86/common/xf86Helper.c
+++ hw/xfree86/common/xf86Helper.c
@@ -1459,6 +1459,7 @@
 {
     GDevPtr       gdp, *pgdp = NULL;
     confScreenPtr screensecptr;
+    char *screendriver, *screendriver_next;
     int i,j;
 
     if (sectlist)
@@ -1489,15 +1490,31 @@
      */
     for (j=0; xf86ConfigLayout.screens[j].screen != NULL; j++) {
         screensecptr = xf86ConfigLayout.screens[j].screen;
-        if ((screensecptr->device->driver != NULL)
-            && (xf86NameCmp( screensecptr->device->driver,drivername) == 0)
-            && (! screensecptr->device->claimed)) {
-            /*
-             * we have a matching driver that wasn't claimed, yet
-             */
-            pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
-            pgdp[i++] = screensecptr->device;
+	screendriver = screensecptr->device->driver;
+	while(screendriver && (screendriver_next = strchr(screendriver,',')) != NULL) {
+	    *screendriver_next = '\0';
+	    if ((xf86NameCmp( screensecptr->device->driver,drivername) == 0)
+		&& (! screensecptr->device->claimed)) {
+		/*
+		 * we have a matching driver that wasn't claimed, yet
+		 */
+		pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
+		pgdp[i++] = screensecptr->device;
+	    }
+	    *screendriver_next = ',';
+	    screendriver = screendriver_next+1;
         }
+
+	if (screendriver
+	    && (xf86NameCmp(screendriver,drivername) == 0)
+	    && (! screensecptr->device->claimed)) {
+	    /*
+	     * we have a matching driver that wasn't claimed, yet
+	     */
+	    pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
+	    pgdp[i++] = screensecptr->device;
+	}
+
     }
 
     /* Then handle the inactive devices */