intel_agp: fix stolen mem range on G33

G33 GTT stolen memory is below graphics data stolen memory and be seperate,
so don't subtract it in stolen mem counting.

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Acked-by: Dave Airlie <airlied@linux.ie>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 2c9ca2c64628..581f9222a9d1 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -506,6 +506,11 @@ static void intel_i830_init_gtt_entries(void)
                         break;
                 }
         } else {
+                /* G33's GTT stolen memory is separate from gfx data
+                 * stolen memory.
+                 */
+                if (IS_G33)
+                        size = 0;
                 switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
                 case I855_GMCH_GMS_STOLEN_1M:
                         gtt_entries = MB(1) - KB(size);