Subject: [PATCH] [AGPGART] 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@xxxxxxxxx>
----
drivers/char/agp/intel-agp.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 2c9ca2c..581f922 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);
When looking at a "fix" I need to work out whether it might be needed in
2.6.23. But your description of this patch didn't describe the problem
which it fixes in a way which allows me to decide this.