diff options
| author | Rebecca Schultz Zavin <rebecca@android.com> | 2012-10-18 21:54:01 -0700 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2014-04-21 22:35:04 -0500 |
| commit | ca7f7e4d2ee67753fb2ece5c4d8d02557a104880 (patch) | |
| tree | da8120df27cbd33f89f005661dd9e965a0518d8c /drivers/gpu | |
| parent | 7934c8cceccdfe6de6fb9ffceddf4fb1f475b215 (diff) | |
gpu: ion: Don't flush allocatoins that come from the page pools
Change-Id: Ib08cb2cea3b6ea4b1ebf5a1b28abe6b9374fd2bd
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/ion/ion_system_heap.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/ion/ion_system_heap.c b/drivers/gpu/ion/ion_system_heap.c index 2dc3048ed6f6..26e6bbcda702 100644 --- a/drivers/gpu/ion/ion_system_heap.c +++ b/drivers/gpu/ion/ion_system_heap.c @@ -76,9 +76,14 @@ static struct page *alloc_buffer_page(struct ion_system_heap *heap, if (order > 4) gfp_flags = high_order_gfp_flags; page = alloc_pages(gfp_flags, order); + if (!page) + return 0; + __dma_page_cpu_to_dev(page, 0, PAGE_SIZE << order, + DMA_BIDIRECTIONAL); } if (!page) return 0; + if (split_pages) split_page(page, order); return page; @@ -201,9 +206,6 @@ static int ion_system_heap_allocate(struct ion_heap *heap, kfree(info); } - dma_sync_sg_for_device(NULL, table->sgl, table->nents, - DMA_BIDIRECTIONAL); - buffer->priv_virt = table; return 0; err1: |