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path: root/drivers/char/drm/radeon_cp.c
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Diffstat (limited to 'drivers/char/drm/radeon_cp.c')
-rw-r--r--drivers/char/drm/radeon_cp.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 03839ea..95ae9e0 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1312,6 +1312,8 @@ 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;
@@ -1521,8 +1523,11 @@ 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;
- dev_priv->gart_vm_start = dev_priv->fb_location
- + RADEON_READ(RADEON_CONFIG_APER_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;
#if __OS_HAS_AGP
if (!dev_priv->is_pci)
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