Merge branch 'drm-intel-fixes' into drm-intel-next

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 326ca2ef06b5..356f73e0d17e 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1135,12 +1135,19 @@ 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)