Messages in this thread Patch in this message | | | Date | Wed, 5 Sep 2007 15:13:07 +0800 | From | Zhenyu Wang <> | Subject | [PATCH] [AGPGART] intel_agp: fix GTT map size on G33 |
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Subject: [PATCH] [AGPGART] intel_agp: fix GTT map size on G33
G33 has 1MB GTT table range. Fix GTT mapping in case like 512MB aperture size.
Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com> --- drivers/char/agp/intel-agp.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 20d50d0..6a5c555 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -919,6 +919,7 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) struct aper_size_info_fixed *size; int num_entries; u32 temp, temp2; + int gtt_map_size = 256 * 1024; size = agp_bridge->current_size; page_order = size->page_order; @@ -928,7 +929,9 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); pci_read_config_dword(intel_private.pcidev, I915_PTEADDR,&temp2); - intel_private.gtt = ioremap(temp2, 256 * 1024); + if (IS_G33) + gtt_map_size = 1024 * 1024; /* 1M on G33 */ + intel_private.gtt = ioremap(temp2, gtt_map_size); if (!intel_private.gtt) return -ENOMEM; -- 1.5.2.3 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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