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authorDave Airlie <airlied@redhat.com>2012-05-29 15:11:22 +0100
committerDave Airlie <airlied@redhat.com>2012-05-31 13:13:31 +0100
commit2dad9d4d057a080a4ad59c705b3e388af6794576 (patch)
treede12e7f668fd92c2f18ae4bb89c509c28124b69b /drivers
parentaf56e0aa35f3ae2a4c1a6d1000702df1dd78cb76 (diff)
downloadlinux-2dad9d4d057a080a4ad59c705b3e388af6794576.tar.gz
i915: add stub dma-buf mmap callback.
This just adds a stub for now, until we have some users in place to test this functionality properly. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_dmabuf.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index 8e269178d6a..4fba63e896d 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -93,6 +93,11 @@ static void i915_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_n
}
+static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
+{
+ return -EINVAL;
+}
+
static const struct dma_buf_ops i915_dmabuf_ops = {
.map_dma_buf = i915_gem_map_dma_buf,
.unmap_dma_buf = i915_gem_unmap_dma_buf,
@@ -101,6 +106,7 @@ static const struct dma_buf_ops i915_dmabuf_ops = {
.kmap_atomic = i915_gem_dmabuf_kmap_atomic,
.kunmap = i915_gem_dmabuf_kunmap,
.kunmap_atomic = i915_gem_dmabuf_kunmap_atomic,
+ .mmap = i915_gem_dmabuf_mmap,
};
struct dma_buf *i915_gem_prime_export(struct drm_device *dev,