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| author | Joonyoung Shim <jy0922.shim@samsung.com> | 2013-06-28 14:24:53 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-21 19:12:23 +0900 |
| commit | 409dab234bc53888679581a0df968638f3ff90ba (patch) | |
| tree | 2b138611d81848e6c65539780c934a6356b83f7e | |
| parent | 8423b4dac06cd2f2e12601af7cf9af1c6edd7022 (diff) | |
| download | linux-3.10-409dab234bc53888679581a0df968638f3ff90ba.tar.gz linux-3.10-409dab234bc53888679581a0df968638f3ff90ba.tar.bz2 linux-3.10-409dab234bc53888679581a0df968638f3ff90ba.zip | |
drm: add mmap function to prime helpers
This adds to call low-level mmap() from prime helpers.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/drm_prime.c | 8 | ||||
| -rw-r--r-- | include/drm/drmP.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index ae851b04d1b..068a8f2b1da 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -245,7 +245,13 @@ static void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, static int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma) { - return -EINVAL; + struct drm_gem_object *obj = dma_buf->priv; + struct drm_device *dev = obj->dev; + + if (!dev->driver->gem_prime_mmap) + return -ENOSYS; + + return dev->driver->gem_prime_mmap(obj, vma); } static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { diff --git a/include/drm/drmP.h b/include/drm/drmP.h index a6128a6513b..c3f97ada401 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -940,6 +940,8 @@ struct drm_driver { struct sg_table *sgt); void *(*gem_prime_vmap)(struct drm_gem_object *obj); void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr); + int (*gem_prime_mmap)(struct drm_gem_object *obj, + struct vm_area_struct *vma); /* vga arb irq handler */ void (*vgaarb_irq)(struct drm_device *dev, bool state); |