-stable review patch. If anyone has any objections, please let us know.
------------------
From: Wang Zhenyu <[email protected]>
[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 <[email protected]>
Signed-off-by: Dave Jones <[email protected]>
Cc: Chuck Ebbert <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/char/agp/intel-agp.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -405,9 +405,8 @@ static void intel_i830_init_gtt_entries(
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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