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gpu: ion: Only flush buffers in the chunk heap if they were used cached

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Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rebecca Schultz Zavin 2013-12-13 14:24:33 -08:00 committed by Greg Kroah-Hartman
parent 0b6b2cde09
commit 88d4bda880
1 changed files with 3 additions and 2 deletions
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5
drivers/staging/android/ion/ion_chunk_heap.c
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@ -104,8 +104,9 @@ static void ion_chunk_heap_free(struct ion_buffer *buffer)
ion_heap_buffer_zero(buffer);
for_each_sg(table->sgl, sg, table->nents, i) {
__dma_page_cpu_to_dev(sg_page(sg), 0, sg_dma_len(sg),
DMA_BIDIRECTIONAL);
if (ion_buffer_cached(buffer))
__dma_page_cpu_to_dev(sg_page(sg), 0, sg_dma_len(sg),
DMA_BIDIRECTIONAL);
gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)),
sg_dma_len(sg));
}