On Mon, Apr 23, 2018 at 05:46:08PM -0700, Eric Anholt wrote: > Some drivers leave these unimplemented, so don't make them have > unimplemented stubs. > > Signed-off-by: Eric Anholt <eric@xxxxxxxxxx> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > --- > drivers/gpu/drm/drm_prime.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c > index caf675e3e692..397b46b33739 100644 > --- a/drivers/gpu/drm/drm_prime.c > +++ b/drivers/gpu/drm/drm_prime.c > @@ -409,7 +409,10 @@ void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf) > struct drm_gem_object *obj = dma_buf->priv; > struct drm_device *dev = obj->dev; > > - return dev->driver->gem_prime_vmap(obj); > + if (dev->driver->gem_prime_vmap) > + return dev->driver->gem_prime_vmap(obj); > + else > + return NULL; > } > EXPORT_SYMBOL(drm_gem_dmabuf_vmap); > > @@ -426,7 +429,8 @@ void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr) > struct drm_gem_object *obj = dma_buf->priv; > struct drm_device *dev = obj->dev; > > - dev->driver->gem_prime_vunmap(obj, vaddr); > + if (dev->driver->gem_prime_vunmap) > + dev->driver->gem_prime_vunmap(obj, vaddr); > } > EXPORT_SYMBOL(drm_gem_dmabuf_vunmap); > > -- > 2.17.0 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
