From b47cf66f315a258c458ed4345c443dba396fb787 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu, 4 Nov 2010 18:41:50 +0100
Subject: [PATCH] intel-gtt: drop dcache support for i830 and later
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>
---
drivers/char/agp/intel-gtt.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index d2733e526a68..8a30a16c5706 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -896,14 +896,8 @@ static void i830_write_entry(dma_addr_t addr, unsigned int entry,
{
u32 pte_flags = I810_PTE_VALID;
- switch (flags) {
- case AGP_DCACHE_MEMORY:
- pte_flags |= I810_PTE_LOCAL;
- break;
- case AGP_USER_CACHED_MEMORY:
+ if (flags == AGP_USER_CACHED_MEMORY)
pte_flags |= I830_PTE_SYSTEM_CACHED;
- break;
- }
writel(addr | pte_flags, intel_private.gtt + entry);
}
--
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