diff options
| author |   Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-11-02 17:30:46 +0800 |
|---|---|---|
| committer |   Chris Wilson <chris@chris-wilson.co.uk> | 2010-11-04 09:39:50 +0000 |
| commit | 16a02cf08a2de0863daf7ebb91718d7c6bbe7f9c (patch) | |
| tree | 8a4d083794272b7d7bf82aad75076a7722164b23 /drivers/char | |
| parent | agp/intel: restore cache behavior on sandybridge (diff) | |
| download | linux-dev-16a02cf08a2de0863daf7ebb91718d7c6bbe7f9c.tar.xz linux-dev-16a02cf08a2de0863daf7ebb91718d7c6bbe7f9c.zip | |
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 <zhenyuw@linux.intel.com>
Cc: stable@kernel.org
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/agp/intel-gtt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 791216d33ed0..9272c38dd3c6 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; } |