From 85ccc35b7e4a5e7894570fe9b4e4b56d82fc3181 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Fri, 22 Oct 2010 14:59:29 +0100 Subject: [PATCH] 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 --- drivers/char/agp/intel-gtt.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 0c8ff6d8824b..6b6760ea2435 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -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; } -- 2.20.1