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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 18:04:33 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 23:42:32 +0100
commitf07e572f6447465d8938679533d604e402b0f066 (patch)
treecb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch
parent5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff)
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bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch b/target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch
new file mode 100644
index 0000000000..166055556f
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0717-udmabuf-use-cache_sgt_mapping-option.patch
@@ -0,0 +1,35 @@
+From d57aecba0cd291e0c28e2c82c3d4bce06c5b5b94 Mon Sep 17 00:00:00 2001
+From: Gurchetan Singh <gurchetansingh@chromium.org>
+Date: Mon, 2 Dec 2019 17:36:24 -0800
+Subject: [PATCH] udmabuf: use cache_sgt_mapping option
+
+Commit bc7a71da43b48333f84c6534ab43d240e34cf9eb uptream.
+
+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>
+Link: http://patchwork.freedesktop.org/patch/msgid/20191203013627.85991-1-gurchetansingh@chromium.org
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+---
+ drivers/dma-buf/udmabuf.c | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+--- a/drivers/dma-buf/udmabuf.c
++++ b/drivers/dma-buf/udmabuf.c
+@@ -94,10 +94,11 @@ static void release_udmabuf(struct dma_b
+ }
+
+ static const struct dma_buf_ops udmabuf_ops = {
+- .map_dma_buf = map_udmabuf,
+- .unmap_dma_buf = unmap_udmabuf,
+- .release = release_udmabuf,
+- .mmap = mmap_udmabuf,
++ .cache_sgt_mapping = true,
++ .map_dma_buf = map_udmabuf,
++ .unmap_dma_buf = unmap_udmabuf,
++ .release = release_udmabuf,
++ .mmap = mmap_udmabuf,
+ };
+
+ #define SEALS_WANTED (F_SEAL_SHRINK)