--- drivers/char/agp/intel-agp.c-orig	2005-01-04 19:59:59.000000000 +0000
+++ drivers/char/agp/intel-agp.c	2005-01-04 19:50:56.000000000 +0000
@@ -637,7 +637,7 @@
 	gmch_ctrl |= I830_GMCH_ENABLED;
 	pci_write_config_word(agp_bridge->dev,I830_GMCH_CTRL,gmch_ctrl);
 
-	writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_i830_private.registers,I810_PGETBL_CTL);
+	writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_i830_private.registers+I810_PGETBL_CTL);
 	readl(intel_i830_private.registers+I810_PGETBL_CTL);	/* PCI Posting. */
 	
 	if (agp_bridge->driver->needs_scratch_page) {