From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754432Ab3LMWhZ (ORCPT ); Fri, 13 Dec 2013 17:37:25 -0500 Received: from mail-pa0-f41.google.com ([209.85.220.41]:49916 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753961Ab3LMW1k (ORCPT ); Fri, 13 Dec 2013 17:27:40 -0500 From: John Stultz To: LKML Cc: Greg KH , Android Kernel Team , Sumit Semwal , Jesse Barker , Colin Cross , Rebecca Schultz Zavin , John Stultz Subject: [PATCH 059/115] gpu: ion: Only flush buffers in the chunk heap if they were used cached Date: Fri, 13 Dec 2013 14:24:33 -0800 Message-Id: <1386973529-4884-60-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1386973529-4884-1-git-send-email-john.stultz@linaro.org> References: <1386973529-4884-1-git-send-email-john.stultz@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rebecca Schultz Zavin Signed-off-by: Rebecca Schultz Zavin [jstultz: modified patch to apply to staging directory] Signed-off-by: John Stultz --- drivers/staging/android/ion/ion_chunk_heap.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/staging/android/ion/ion_chunk_heap.c b/drivers/staging/android/ion/ion_chunk_heap.c index 5582909..60cd91c 100644 --- a/drivers/staging/android/ion/ion_chunk_heap.c +++ b/drivers/staging/android/ion/ion_chunk_heap.c @@ -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)); } -- 1.8.3.2