[01/15] intel-gtt: drop dcache support for i830 and later

Commit Message

Daniel Vetter Nov. 6, 2010, 2:21 p.m. UTC

None

Patch

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index fc1637c..8122aca 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -915,14 +915,8 @@  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);
 }