From d7463eb41d88a39de2653fd41857c4ccddb8707b Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 28 May 2008 11:46:36 +1000
Subject: drm/radeon: write AGP_BASE_2 on chips that support it.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 3a42498..fc0820c 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -472,6 +472,8 @@ static void radeon_cp_init_ring_buffer(struct drm_device * dev,
 #if __OS_HAS_AGP
 	if (dev_priv->flags & RADEON_IS_AGP) {
 		RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
+		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R200)
+			RADEON_WRITE(RADEON_AGP_BASE_2, 0);
 		radeon_write_agp_location(dev_priv,
 			     (((dev_priv->gart_vm_start - 1 +
 				dev_priv->gart_size) & 0xffff0000) |
-- 
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