Commit ab02a657 authored by Wang Zhenyu's avatar Wang Zhenyu Committed by Greg Kroah-Hartman

AGPGART: intel_agp: fix G965 GTT size detect

[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: default avatarWang Zhenyu <zhenyu.z.wang@intel.com>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
Cc: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 27797cc7
......@@ -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.
......
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