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intel-gtt: drop dcache support for i830 and later

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i830_check_flags already disallows it, so no need to implement it
in the write_entry function. Seems to be a remnant from i810 support.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Daniel Vetter 2010-11-04 18:41:50 +01:00 committed by Chris Wilson
parent e384eafc1c
commit b47cf66f31
1 changed files with 1 additions and 7 deletions
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8
drivers/char/agp/intel-gtt.c
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@ -896,14 +896,8 @@ static void i830_write_entry(dma_addr_t addr, unsigned int entry,
{ {
u32 pte_flags = I810_PTE_VALID; u32 pte_flags = I810_PTE_VALID;
switch (flags) { if (flags == AGP_USER_CACHED_MEMORY)
case AGP_DCACHE_MEMORY:
pte_flags |= I810_PTE_LOCAL;
break;
case AGP_USER_CACHED_MEMORY:
pte_flags |= I830_PTE_SYSTEM_CACHED; pte_flags |= I830_PTE_SYSTEM_CACHED;
break;
}
writel(addr | pte_flags, intel_private.gtt + entry); writel(addr | pte_flags, intel_private.gtt + entry);
} }