From 16a02cf08a2de0863daf7ebb91718d7c6bbe7f9c Mon Sep 17 00:00:00 2001 From: Zhenyu Wang Date: Tue, 2 Nov 2010 17:30:46 +0800 Subject: [PATCH] agp/intel: fix cache control for sandybridge This is broken from 97ef1bdd0bc75bce7b2058e9c432b6c277dcf4d3. Let's set the correct bit for LLC+MLC and LLC only. Signed-off-by: Zhenyu Wang Cc: stable@kernel.org Signed-off-by: Chris Wilson --- drivers/char/agp/intel-gtt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 791216d33ed..9272c38dd3c 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1213,11 +1213,11 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry, if (type_mask == AGP_USER_MEMORY) pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID; else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) { - pte_flags = GEN6_PTE_LLC | I810_PTE_VALID; + pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID; if (gfdt) pte_flags |= GEN6_PTE_GFDT; } else { /* set 'normal'/'cached' to LLC by default */ - pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID; + pte_flags = GEN6_PTE_LLC | I810_PTE_VALID; if (gfdt) pte_flags |= GEN6_PTE_GFDT; } -- 2.11.4.GIT