From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout2.w1.samsung.com ([210.118.77.12]:21520 "EHLO mailout2.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752726AbdBTNjS (ORCPT ); Mon, 20 Feb 2017 08:39:18 -0500 From: Marek Szyprowski To: linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: Marek Szyprowski , Sylwester Nawrocki , Andrzej Hajda , Krzysztof Kozlowski , Inki Dae , Seung-Woo Kim Subject: [PATCH v2 06/15] media: s5p-mfc: Move setting DMA max segment size to DMA configure function Date: Mon, 20 Feb 2017 14:38:55 +0100 Message-id: <1487597944-2000-7-git-send-email-m.szyprowski@samsung.com> In-reply-to: <1487597944-2000-1-git-send-email-m.szyprowski@samsung.com> References: <1487597944-2000-1-git-send-email-m.szyprowski@samsung.com> Sender: linux-media-owner@vger.kernel.org List-ID: Setting DMA max segment size to 32 bit mask is a part of DMA memory configuration, so move those calls to s5p_mfc_configure_dma_memory() function. Signed-off-by: Marek Szyprowski Reviewed-by: Javier Martinez Canillas Tested-by: Javier Martinez Canillas --- drivers/media/platform/s5p-mfc/s5p_mfc.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index f7664910f12c..bc1aeb25ebeb 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -1122,9 +1122,13 @@ static int s5p_mfc_configure_dma_memory(struct s5p_mfc_dev *mfc_dev) if (exynos_is_iommu_available(dev)) { int ret = exynos_configure_iommu(dev, S5P_MFC_IOMMU_DMA_BASE, S5P_MFC_IOMMU_DMA_SIZE); - if (ret == 0) + if (ret == 0) { mfc_dev->mem_dev[BANK1_CTX] = mfc_dev->mem_dev[BANK2_CTX] = dev; + vb2_dma_contig_set_max_seg_size(dev, + DMA_BIT_MASK(32)); + } + return ret; } @@ -1143,6 +1147,11 @@ static int s5p_mfc_configure_dma_memory(struct s5p_mfc_dev *mfc_dev) return -ENODEV; } + vb2_dma_contig_set_max_seg_size(mfc_dev->mem_dev[BANK1_CTX], + DMA_BIT_MASK(32)); + vb2_dma_contig_set_max_seg_size(mfc_dev->mem_dev[BANK2_CTX], + DMA_BIT_MASK(32)); + return 0; } @@ -1152,11 +1161,14 @@ static void s5p_mfc_unconfigure_dma_memory(struct s5p_mfc_dev *mfc_dev) if (exynos_is_iommu_available(dev)) { exynos_unconfigure_iommu(dev); + vb2_dma_contig_clear_max_seg_size(dev); return; } device_unregister(mfc_dev->mem_dev[BANK1_CTX]); device_unregister(mfc_dev->mem_dev[BANK2_CTX]); + vb2_dma_contig_clear_max_seg_size(mfc_dev->mem_dev[BANK1_CTX]); + vb2_dma_contig_clear_max_seg_size(mfc_dev->mem_dev[BANK2_CTX]); } /* MFC probe function */ @@ -1214,11 +1226,6 @@ static int s5p_mfc_probe(struct platform_device *pdev) goto err_dma; } - vb2_dma_contig_set_max_seg_size(dev->mem_dev[BANK1_CTX], - DMA_BIT_MASK(32)); - vb2_dma_contig_set_max_seg_size(dev->mem_dev[BANK2_CTX], - DMA_BIT_MASK(32)); - mutex_init(&dev->mfc_mutex); init_waitqueue_head(&dev->queue); dev->hw_lock = 0; @@ -1351,8 +1358,6 @@ static int s5p_mfc_remove(struct platform_device *pdev) v4l2_device_unregister(&dev->v4l2_dev); s5p_mfc_release_firmware(dev); s5p_mfc_unconfigure_dma_memory(dev); - vb2_dma_contig_clear_max_seg_size(dev->mem_dev[BANK1_CTX]); - vb2_dma_contig_clear_max_seg_size(dev->mem_dev[BANK2_CTX]); s5p_mfc_final_pm(dev); return 0; -- 1.9.1