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-rw-r--r--drivers/char/agp/intel-gtt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index ce536e68b6c6..7f35854d33a3 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1333,8 +1333,8 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
static unsigned long intel_gen6_mask_memory(struct agp_bridge_data *bridge,
dma_addr_t addr, int type)
{
- /* Shift high bits down */
- addr |= (addr >> 28) & 0xff;
+ /* gen6 has bit11-4 for physical addr bit39-32 */
+ addr |= (addr >> 28) & 0xff0;
/* Type checking must be done elsewhere */
return addr | bridge->driver->masks[type].mask;