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AGPGART: intel_agp: fix G965 GTT size detect

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[AGPGART] intel_agp: fix G965 GTT size detect

On G965, I810_PGETBL_CTL is a mmio offset, but we wrongly take it
as pci config space offset in detecting GTT size. This one line patch
fixs this.

Signed-off-by: Wang Zhenyu <zhenyu.z.wang@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Wang Zhenyu
2007-04-25 15:07:38 -04:00
committed by Greg Kroah-Hartman
parent 27797cc764
commit ab02a65798
1 changed files with 1 additions and 2 deletions
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drivers/char/agp/intel-agp.c
+1 -2
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@@ -405,9 +405,8 @@ static void intel_i830_init_gtt_entries(void)
if (IS_I965) {
u32 pgetbl_ctl;
pgetbl_ctl = readl(intel_i830_private.registers+I810_PGETBL_CTL);
pci_read_config_dword(agp_bridge->dev, I810_PGETBL_CTL,
&pgetbl_ctl);
/* The 965 has a field telling us the size of the GTT,
* which may be larger than what is necessary to map the
* aperture.