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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-14 14:29:23 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-14 14:29:23 +0300 |
| commit | 71f4566084eb592fe545f05f7dff41fa9aa42e0b (patch) | |
| tree | 0fc813df2af7ebda8dea06b6d954eb4cc5bbccfa /drivers/char | |
| parent | 63abf3edaf42d0b9f278df90fe41c7ed4796b6b1 (diff) | |
| download | linux-71f4566084eb592fe545f05f7dff41fa9aa42e0b.tar.xz | |
agp/intel: Fix missed cached memory flags setting in i965_write_entry()
This fixes regression from a6963596a13e62f8e65b1cf3403a330ff2db407c,
that missed to set cached memory type in GTT entry.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/agp/intel-gtt.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 16a2847b7cdb..29ac6d499fa6 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1192,12 +1192,19 @@ static void i9xx_chipset_flush(void) writel(1, intel_private.i9xx_flush_page); } -static void i965_write_entry(dma_addr_t addr, unsigned int entry, +static void i965_write_entry(dma_addr_t addr, + unsigned int entry, unsigned int flags) { + u32 pte_flags; + + pte_flags = I810_PTE_VALID; + if (flags == AGP_USER_CACHED_MEMORY) + pte_flags |= I830_PTE_SYSTEM_CACHED; + /* Shift high bits down */ addr |= (addr >> 28) & 0xf0; - writel(addr | I810_PTE_VALID, intel_private.gtt + entry); + writel(addr | pte_flags, intel_private.gtt + entry); } static bool gen6_check_flags(unsigned int flags) |