That bar could be 64bit pref mem.
Signed-off-by: Yinghai Lu <ying...@kernel.org>
Cc: David Airlie <airl...@linux.ie>
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/char/agp/intel-gtt.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
Index: linux-2.6/drivers/char/agp/intel-gtt.c
===================================================================
--- linux-2.6.orig/drivers/char/agp/intel-gtt.c
+++ linux-2.6/drivers/char/agp/intel-gtt.c
@@ -649,8 +649,10 @@ static void intel_gtt_cleanup(void)
static int intel_gtt_init(void)
{
u32 gma_addr;
+ u32 addr_hi = 0;
u32 gtt_map_size;
int ret;
+ int pos;
ret = intel_private.driver->setup();
if (ret != 0)
@@ -696,13 +698,17 @@ static int intel_gtt_init(void)
}
if (INTEL_GTT_GEN <= 2)
- pci_read_config_dword(intel_private.pcidev, I810_GMADDR,
- &gma_addr);
+ pos = I810_GMADDR;
else
- pci_read_config_dword(intel_private.pcidev, I915_GMADDR,
- &gma_addr);
+ pos = I915_GMADDR;
+
+ pci_read_config_dword(intel_private.pcidev, pos, &gma_addr);
+
+ if (gma_addr & PCI_BASE_ADDRESS_MEM_TYPE_64)
+ pci_read_config_dword(intel_private.pcidev, pos + 4, &addr_hi);
intel_private.base.gma_bus_addr = (gma_addr &
PCI_BASE_ADDRESS_MEM_MASK);
+ intel_private.base.gma_bus_addr |= (u64)addr_hi << 32;
return 0;
}
--
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