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authorDave Airlie <airlied@redhat.com>2012-05-29 15:12:24 +0100
committerDave Airlie <airlied@redhat.com>2012-05-31 13:13:38 +0100
commit946c7491b37704016cdbba60915d1de2c79c3b57 (patch)
treeb2bc462d55b2e81b21544fe47676b4642eca8d28 /drivers/gpu
parente1bbc4bff928ed152a1aef2a4b80a65eccc0ce63 (diff)
downloadop-kernel-dev-946c7491b37704016cdbba60915d1de2c79c3b57.zip
op-kernel-dev-946c7491b37704016cdbba60915d1de2c79c3b57.tar.gz
radeon: add stub dma-buf mmap functionality
This just adds a stub until we have pieces in place to test a correct one. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_prime.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index b8f835d..37ff6bf 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -85,6 +85,11 @@ static void radeon_gem_kunmap(struct dma_buf *dma_buf, unsigned long page_num, v
}
+static int radeon_gem_prime_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
+{
+ return -EINVAL;
+}
+
const static struct dma_buf_ops radeon_dmabuf_ops = {
.map_dma_buf = radeon_gem_map_dma_buf,
.unmap_dma_buf = radeon_gem_unmap_dma_buf,
@@ -93,6 +98,7 @@ const static struct dma_buf_ops radeon_dmabuf_ops = {
.kmap_atomic = radeon_gem_kmap_atomic,
.kunmap = radeon_gem_kunmap,
.kunmap_atomic = radeon_gem_kunmap_atomic,
+ .mmap = radeon_gem_prime_mmap,
};
static int radeon_prime_create(struct drm_device *dev,
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