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agp/intel: Use a non-reserved value for the cache field of the PTEs. 

I don't know if this is what we'll want to be using long term, we'll see.

Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Eric Anholt 2009-11-02 15:33:05 -08:00
parent f6e450a641
commit e3deb204c6
1 changed files with 5 additions and 0 deletions
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5
drivers/char/agp/intel-agp.c
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@ -296,6 +296,11 @@ static void intel_agp_insert_sg_entries(struct agp_memory *mem,
off_t pg_start, int mask_type) off_t pg_start, int mask_type)
{ {
int i, j; int i, j;
u32 cache_bits = 0;
if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB) {
cache_bits = I830_PTE_SYSTEM_CACHED;
}
for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
writel(agp_bridge->driver->mask_memory(agp_bridge, writel(agp_bridge->driver->mask_memory(agp_bridge,