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From: Gurchetan Singh <gurchetansingh@chromium.org>
To: dri-devel@lists.freedesktop.org
Cc: Gurchetan Singh <gurchetansingh@chromium.org>,
	kraxel@redhat.com, hch@lst.de
Subject: [PATCH 1/5] udmabuf: use cache_sgt_mapping option
Date: Mon, 25 Nov 2019 17:10:52 -0800	[thread overview]
Message-ID: <20191126011056.67928-1-gurchetansingh@chromium.org> (raw)

The GEM prime helpers do it, so should we. It's also possible to make
it optional later.

Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
---
 drivers/dma-buf/udmabuf.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index 9635897458a0..b345e91d831a 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -108,12 +108,13 @@ static void kunmap_udmabuf(struct dma_buf *buf, unsigned long page_num,
 }
 
 static const struct dma_buf_ops udmabuf_ops = {
-	.map_dma_buf	  = map_udmabuf,
-	.unmap_dma_buf	  = unmap_udmabuf,
-	.release	  = release_udmabuf,
-	.map		  = kmap_udmabuf,
-	.unmap		  = kunmap_udmabuf,
-	.mmap		  = mmap_udmabuf,
+	.cache_sgt_mapping = true,
+	.map_dma_buf	   = map_udmabuf,
+	.unmap_dma_buf	   = unmap_udmabuf,
+	.release	   = release_udmabuf,
+	.map		   = kmap_udmabuf,
+	.unmap		   = kunmap_udmabuf,
+	.mmap		   = mmap_udmabuf,
 };
 
 #define SEALS_WANTED (F_SEAL_SHRINK)
-- 
2.24.0.432.g9d3f5f5b63-goog

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             reply	other threads:[~2019-11-26  1:11 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-26  1:10 Gurchetan Singh [this message]
2019-11-26  1:10 ` [PATCH 2/5] udmabuf: allow userspace to set map attributes Gurchetan Singh
2019-11-28 11:48   ` Gerd Hoffmann
2019-12-03  1:48     ` Gurchetan Singh
2019-11-26  1:10 ` [PATCH 3/5] udmabuf: add a pointer to the miscdevice in dma-buf private data Gurchetan Singh
2019-11-26  1:10 ` [PATCH 4/5] udmabuf: separate out creating/destroying scatter-table Gurchetan Singh
2019-11-26  1:10 ` [PATCH 5/5] udmabuf: implement begin_cpu_access/end_cpu_access hooks Gurchetan Singh

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