1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 501e557cbc86..342302d46743 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1312,8 +1312,6 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
 {
         drm_radeon_private_t *dev_priv = dev->dev_private;
-        unsigned int mem_size;
-
         DRM_DEBUG("\n");
 
         dev_priv->is_pci = init->is_pci;
@@ -1523,11 +1521,8 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
                                           + dev_priv->fb_location) >> 10));
 
         dev_priv->gart_size = init->gart_size;
-
-        mem_size = RADEON_READ(RADEON_CONFIG_MEMSIZE);
-        if (mem_size == 0)
-                mem_size = 0x800000;
-        dev_priv->gart_vm_start = dev_priv->fb_location + mem_size;
+        dev_priv->gart_vm_start = dev_priv->fb_location
+            + RADEON_READ(RADEON_CONFIG_APER_SIZE);
 
 #if __OS_HAS_AGP
         if (!dev_priv->is_pci)