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| author |   Pauli Nieminen <suokkos@gmail.com> | 2010-04-01 12:45:02 +0000 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2010-04-06 11:36:11 +1000 |
| commit | 975efdb1bf925ad48d4e3fe5339a85f12601e10d (patch) | |
| tree | a281c00d3c91721baf2f8920ca29d9ed0275e4a0 /drivers/gpu/drm/ttm | |
| parent | arch/x86: Add array variants for setting memory to wc caching. (diff) | |
| download | linux-dev-975efdb1bf925ad48d4e3fe5339a85f12601e10d.tar.xz linux-dev-975efdb1bf925ad48d4e3fe5339a85f12601e10d.zip | |
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 <suokkos@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/ttm')
| -rw-r--r-- | 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 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 |