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| author | Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-07-09 10:45:17 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-01 19:03:48 -0700 |
| commit | a2757b6fab6dee3dbf43bdb7d7226d03747fbdb1 (patch) | |
| tree | f3f30e2921f93fc6bfbcf0a8a13fba872b40de3e /drivers/char | |
| parent | 3869d4a8afd3ce97770e66d6a96672af93984cc2 (diff) | |
| download | linux-a2757b6fab6dee3dbf43bdb7d7226d03747fbdb1.tar.bz2 | |
agp/intel: Add actual definitions of the Sandybridge PTE caching bits.
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/agp/intel-agp.h | 6 | ||||
| -rw-r--r-- | drivers/char/agp/intel-gtt.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h index 2547465d4658..c05e3e518268 100644 --- a/drivers/char/agp/intel-agp.h +++ b/drivers/char/agp/intel-agp.h @@ -60,6 +60,12 @@ #define I810_PTE_LOCAL 0x00000002 #define I810_PTE_VALID 0x00000001 #define I830_PTE_SYSTEM_CACHED 0x00000006 +/* GT PTE cache control fields */ +#define GEN6_PTE_UNCACHED 0x00000002 +#define GEN6_PTE_LLC 0x00000004 +#define GEN6_PTE_LLC_MLC 0x00000006 +#define GEN6_PTE_GFDT 0x00000008 + #define I810_SMRAM_MISCC 0x70 #define I810_GFX_MEM_WIN_SIZE 0x00010000 #define I810_GFX_MEM_WIN_32M 0x00010000 diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 2b1a0e96c71f..ccd4b1e694d1 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -176,7 +176,7 @@ static void intel_agp_insert_sg_entries(struct agp_memory *mem, if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) { - cache_bits = I830_PTE_SYSTEM_CACHED; + cache_bits = GEN6_PTE_LLC_MLC; } for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { |