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agp/intel: Restore valid PTE bit for Sandybridge after bdd3072 

In cleaning up the mask functions in bdd3072, the setting of the PTE
valid bit was dropped for Sandybridge.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-10-22 14:59:29 +01:00
parent 878a3c37d3
commit 85ccc35b7e
1 changed files with 3 additions and 3 deletions
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6
drivers/char/agp/intel-gtt.c
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@ -1211,13 +1211,13 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry,
u32 pte_flags;
if (type_mask == AGP_USER_UNCACHED_MEMORY)
pte_flags = GEN6_PTE_UNCACHED;
pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID;
else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) {
pte_flags = GEN6_PTE_LLC;
pte_flags = GEN6_PTE_LLC | I810_PTE_VALID;
if (gfdt)
pte_flags |= GEN6_PTE_GFDT;
} else { /* set 'normal'/'cached' to LLC by default */
pte_flags = GEN6_PTE_LLC_MLC;
pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID;
if (gfdt)
pte_flags |= GEN6_PTE_GFDT;
}