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drm/ttm: specify DMA_ATTR_NO_WARN for huge page pools

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Suppress warning messages when allocating huge pages fails since we can
always fall back to normal pages.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-01-04 15:09:39 +01:00 committed by Alex Deucher
parent e83bf4adf5
commit 40b4667bab
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
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@ -333,14 +333,18 @@ static void __ttm_dma_free_page(struct dma_pool *pool, struct dma_page *d_page)
static struct dma_page *__ttm_dma_alloc_page(struct dma_pool *pool)
{
struct dma_page *d_page;
unsigned long attrs = 0;
void *vaddr;
d_page = kmalloc(sizeof(struct dma_page), GFP_KERNEL);
if (!d_page)
return NULL;
vaddr = dma_alloc_coherent(pool->dev, pool->size, &d_page->dma,
pool->gfp_flags);
if (pool->type & IS_HUGE)
attrs = DMA_ATTR_NO_WARN;
vaddr = dma_alloc_attrs(pool->dev, pool->size, &d_page->dma,
pool->gfp_flags, attrs);
if (vaddr) {
if (is_vmalloc_addr(vaddr))
d_page->p = vmalloc_to_page(vaddr);