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Commit 8fae8312 authored by Rebecca Schultz Zavin's avatar Rebecca Schultz Zavin Committed by Greg Kroah-Hartman
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gpu: ion: Don't flush allocatoins that come from the page pools 



Signed-off-by: default avatarRebecca Schultz Zavin <rebecca@android.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: default avatarJohn Stultz <john.stultz@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 31b9432b

drivers/staging/android/ion/ion_system_heap.c

+5 −3
Original line number Diff line number Diff line
@@ -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: