From e1bbc4bff928ed152a1aef2a4b80a65eccc0ce63 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 29 May 2012 15:11:55 +0100 Subject: [PATCH] nouveau: add stub dma-buf mmap functionality. This just adds a stub until we have some users in place to test this with. Signed-off-by: Dave Airlie --- drivers/gpu/drm/nouveau/nouveau_prime.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c index c58aab7370c5..e2bcd4e54654 100644 --- a/drivers/gpu/drm/nouveau/nouveau_prime.c +++ b/drivers/gpu/drm/nouveau/nouveau_prime.c @@ -61,6 +61,11 @@ static void nouveau_gem_kunmap(struct dma_buf *dma_buf, unsigned long page_num, } +static int nouveau_gem_prime_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma) +{ + return -EINVAL; +} + static const struct dma_buf_ops nouveau_dmabuf_ops = { .map_dma_buf = nouveau_gem_map_dma_buf, .unmap_dma_buf = nouveau_gem_unmap_dma_buf, @@ -69,6 +74,7 @@ static const struct dma_buf_ops nouveau_dmabuf_ops = { .kmap_atomic = nouveau_gem_kmap_atomic, .kunmap = nouveau_gem_kunmap, .kunmap_atomic = nouveau_gem_kunmap_atomic, + .mmap = nouveau_gem_prime_mmap, }; static int