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-rw-r--r--shared-core/radeon_cp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index ac46da38..b1fd6d3b 100644
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -1394,8 +1394,9 @@ static void radeon_set_rs690gart(drm_radeon_private_t * dev_priv, int on)
temp = RS690_READ_MCIND(dev_priv, RS690_MC_GART_FEATURE_ID);
RS690_WRITE_MCIND(RS690_MC_GART_FEATURE_ID, 0x42040800);
- RS690_WRITE_MCIND(RS690_MC_GART_BASE,
- dev_priv->gart_info.bus_addr);
+ temp = dev_priv->gart_info.bus_addr & 0xfffff000;
+ temp |= (upper_32_bits(dev_priv->gart_info.bus_addr) & 0xff) << 4;
+ RS690_WRITE_MCIND(RS690_MC_GART_BASE, temp);
temp = RS690_READ_MCIND(dev_priv, RS690_MC_AGP_MODE_CONTROL);
RS690_WRITE_MCIND(RS690_MC_AGP_MODE_CONTROL, 0x01400000);