[PATCH] i810fb: Restore xres and yres option parameters

If i810fb successfully probed for the EDID, it will disregard the
boot option parameters 'xres' and 'yres'.  Fix this regression.

Excellent testing done by Manuel Lauss <mano@roarinelk.homelinux.net>.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/video/i810/i810_main.c

@@ -95,18 +95,18 @@ static struct pci_driver i810fb_driver = {
 static char *mode_option __devinitdata = NULL;
 static int vram       __devinitdata = 4;
 static int bpp        __devinitdata = 8;
-static int mtrr       __devinitdata = 0;
-static int accel      __devinitdata = 0;
-static int hsync1     __devinitdata = 0;
-static int hsync2     __devinitdata = 0;
-static int vsync1     __devinitdata = 0;
-static int vsync2     __devinitdata = 0;
-static int xres       __devinitdata = 640;
-static int yres       __devinitdata = 480;
-static int vyres      __devinitdata = 0;
-static int sync       __devinitdata = 0;
-static int ext_vga    __devinitdata = 0;
-static int dcolor     __devinitdata = 0;
+static int mtrr       __devinitdata;
+static int accel      __devinitdata;
+static int hsync1     __devinitdata;
+static int hsync2     __devinitdata;
+static int vsync1     __devinitdata;
+static int vsync2     __devinitdata;
+static int xres       __devinitdata;
+static int yres       __devinitdata;
+static int vyres      __devinitdata;
+static int sync       __devinitdata;
+static int ext_vga    __devinitdata;
+static int dcolor     __devinitdata;
 
 /*------------------------------------------------------------*/
 
@@ -1725,12 +1725,21 @@ static void __devinit i810_init_defaults(struct i810fb_par *par,
 	if (bpp < 8)
 		bpp = 8;
 	
-	if (!vyres) 
-		vyres = (vram << 20)/(xres*bpp >> 3);
-
 	par->i810fb_ops = i810fb_ops;
+
+	if (xres)
 		info->var.xres = xres;
+	else
+		info->var.xres = 640;
+
+	if (yres)
 		info->var.yres = yres;
+	else
+		info->var.yres = 480;
+
+	if (!vyres) 
+		vyres = (vram << 20)/(info->var.xres*bpp >> 3);
+
 	info->var.yres_virtual = vyres;
 	info->var.bits_per_pixel = bpp;
 
@@ -1862,7 +1871,16 @@ static void __devinit i810fb_find_init_mode(struct fb_info *info)
 	fb_videomode_to_modelist(specs->modedb, specs->modedb_len,
 				 &info->modelist);
 	if (specs->modedb != NULL) {
-		if (specs->misc & FB_MISC_1ST_DETAIL) {
+		if (xres && yres) {
+			struct fb_videomode *m;
+
+			if ((m = fb_find_best_mode(&var, &info->modelist))) {
+				mode = *m;
+				found  = 1;
+			}
+		}
+
+		if (!found && specs->misc & FB_MISC_1ST_DETAIL) {
 			for (i = 0; i < specs->modedb_len; i++) {
 				if (specs->modedb[i].flag & FB_MODE_IS_FIRST) {
 					mode = specs->modedb[i];