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| author | Dave Airlie <airlied@redhat.com> | 2012-05-29 15:11:22 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-05-31 13:13:31 +0100 |
| commit | 2dad9d4d057a080a4ad59c705b3e388af6794576 (patch) | |
| tree | de12e7f668fd92c2f18ae4bb89c509c28124b69b /drivers/gpu/drm | |
| parent | af56e0aa35f3ae2a4c1a6d1000702df1dd78cb76 (diff) | |
| download | linux-2dad9d4d057a080a4ad59c705b3e388af6794576.tar.gz linux-2dad9d4d057a080a4ad59c705b3e388af6794576.tar.xz linux-2dad9d4d057a080a4ad59c705b3e388af6794576.zip | |
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/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_dmabuf.c | 6 |
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 8e269178d6a5..4fba63e896d7 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, |