Using single call to set multiple pages to wc reduces number of expensive cache
flushes.
Signed-off-by: Pauli Nieminen <suok...@gmail.com>
---
drivers/gpu/drm/ttm/ttm_page_alloc.c | 12 +-----------
1 files changed, 1 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c
b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index af91994..111c70b 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -124,17 +124,7 @@ static struct ttm_pool_manager _manager = {
.page_alloc_inited = ATOMIC_INIT(0)
};
-#ifdef CONFIG_X86
-/* TODO: add this to x86 like _uc, this version here is inefficient */
-static int set_pages_array_wc(struct page **pages, int addrinarray)
-{
- int i;
-
- for (i = 0; i < addrinarray; i++)
- set_memory_wc((unsigned long)page_address(pages[i]), 1);
- return 0;
-}
-#else
+#ifndef CONFIG_X86
static int set_pages_array_wb(struct page **pages, int addrinarray)
{
#ifdef TTM_HAS_AGP
--
1.6.3.3
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