[PATCH 02/28] drm/exynos: stop setting DMA_ATTR_NON_CONSISTENT
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- To: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>, Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>, Kyungmin Park <kyungmin.park@xxxxxxxxxxx>, Ben Skeggs <bskeggs@xxxxxxxxxx>, Pawel Osciak <pawel@xxxxxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Matt Porter <mporter@xxxxxxxxxxxxxxxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
- Subject: [PATCH 02/28] drm/exynos: stop setting DMA_ATTR_NON_CONSISTENT
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Wed, 19 Aug 2020 08:55:29 +0200
- Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linux-samsung-soc@xxxxxxxxxxxxxxx, nouveau@xxxxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, alsa-devel@xxxxxxxxxxxxxxxx
- In-reply-to: <20200819065555.1802761-1-hch@lst.de>
- References: <20200819065555.1802761-1-hch@lst.de>
DMA_ATTR_NON_CONSISTENT is a no-op except on PARISC and some mips
configs, so don't set it in this ARM specific driver.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_gem.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index efa476858db54b..07073222b8f691 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -42,8 +42,6 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem, bool kvmap)
if (exynos_gem->flags & EXYNOS_BO_WC ||
!(exynos_gem->flags & EXYNOS_BO_CACHABLE))
attr |= DMA_ATTR_WRITE_COMBINE;
- else
- attr |= DMA_ATTR_NON_CONSISTENT;
/* FBDev emulation requires kernel mapping */
if (!kvmap)
--
2.28.0
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