Commit 52ea0718 authored by Wang Zhenyu's avatar Wang Zhenyu Committed by Dave Jones
Browse files

[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>
parent 4598af33

drivers/char/agp/intel-agp.c

+1 −2
Original line number Diff line number Diff line
@@ -431,9 +431,8 @@ 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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