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    SubjectRe: [PATCH] [AGPGART] intel_agp: fix GTT map size on G33
    On Wed, 5 Sep 2007 15:13:07 +0800 Zhenyu Wang <zhenyu.z.wang@intel.com> wrote:

    >
    > 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;
    >

    Ditto. What happens if this patch isn't in 2.6.23? And is it applicable to
    and needed in 2.6.22?
    -
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