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authorJoonyoung Shim <jy0922.shim@samsung.com>2013-06-28 14:24:53 +0900
committerDave Airlie <airlied@redhat.com>2013-07-05 15:44:44 +1000
commit7c397cd97b8f46659698396b420bd48c3e6703e6 (patch)
tree9125dd69b151ae14c47fa4f3b9e11c27b626821a
parentf9d8a1294d37449f3f1b842ffb275e2ca41f5cf4 (diff)
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.c8
-rw-r--r--include/drm/drmP.h2
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index ff5fecef367b..85e450e3241c 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 82670ac0d774..12083dc862a9 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -937,6 +937,8 @@ 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);

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