From 975efdb1bf925ad48d4e3fe5339a85f12601e10d Mon Sep 17 00:00:00 2001 From: Pauli Nieminen Date: Thu, 1 Apr 2010 12:45:02 +0000 Subject: [PATCH] drm/ttm: Use set_pages_array_wc instead of set_memory_wc. Using single call to set multiple pages to wc reduces number of expensive cache flushes. Signed-off-by: Pauli Nieminen Signed-off-by: Dave Airlie --- drivers/gpu/drm/ttm/ttm_page_alloc.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index f82bf805903c..57799dba35e0 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -113,17 +113,7 @@ 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