This adds to call low-level mmap() from prime helpers.
Signed-off-by: Joonyoung Shim jy0922.shim@samsung.com --- drivers/gpu/drm/drm_prime.c | 8 +++++++- include/drm/drmP.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 52709f2..fb9b12d 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -244,7 +244,13 @@ 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 82670ac..12083dc 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);