From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ezequiel Garcia Subject: [PATCH v2 1/7] media: hantro: Set DMA max segment size Date: Thu, 25 Jul 2019 11:17:50 -0300 Message-ID: <20190725141756.2518-2-ezequiel@collabora.com> References: <20190725141756.2518-1-ezequiel@collabora.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190725141756.2518-1-ezequiel@collabora.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-media@vger.kernel.org, Hans Verkuil Cc: kernel@collabora.com, Nicolas Dufresne , Tomasz Figa , linux-rockchip@lists.infradead.org, Heiko Stuebner , Jonas Karlman , Philipp Zabel , Boris Brezillon , Paul Kocialkowski , Alexandre Courbot , fbuergisser@chromium.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Ezequiel Garcia List-Id: linux-rockchip.vger.kernel.org From: Francois Buergisser The Hantro codec is typically used in platforms with an IOMMU, so we need to set a proper DMA segment size. Devices without an IOMMU will still fallback to default 64KiB segments. Cc: stable@vger.kernel.org Fixes: 775fec69008d3 ("media: add Rockchip VPU JPEG encoder driver") Signed-off-by: Francois Buergisser Signed-off-by: Ezequiel Garcia --- drivers/staging/media/hantro/hantro_drv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index b71a06e9159e..4eae1dbb1ac8 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -731,6 +731,7 @@ static int hantro_probe(struct platform_device *pdev) dev_err(vpu->dev, "Could not set DMA coherent mask.\n"); return ret; } + vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); for (i = 0; i < vpu->variant->num_irqs; i++) { const char *irq_name = vpu->variant->irqs[i].name; -- 2.22.0