From: Dave Airlie Date: Tue, 29 May 2012 14:12:24 +0000 (+0100) Subject: radeon: add stub dma-buf mmap functionality X-Git-Tag: firefly_0821_release~3680^2~2700^2~4 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=946c7491b37704016cdbba60915d1de2c79c3b57;p=firefly-linux-kernel-4.4.55.git radeon: add stub dma-buf mmap functionality This just adds a stub until we have pieces in place to test a correct one. Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c index b8f835d8ecb4..37ff6bfb8c72 100644 --- a/drivers/gpu/drm/radeon/radeon_prime.c +++ b/drivers/gpu/drm/radeon/radeon_prime.c @@ -85,6 +85,11 @@ static void radeon_gem_kunmap(struct dma_buf *dma_buf, unsigned long page_num, v } +static int radeon_gem_prime_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma) +{ + return -EINVAL; +} + const static struct dma_buf_ops radeon_dmabuf_ops = { .map_dma_buf = radeon_gem_map_dma_buf, .unmap_dma_buf = radeon_gem_unmap_dma_buf, @@ -93,6 +98,7 @@ const static struct dma_buf_ops radeon_dmabuf_ops = { .kmap_atomic = radeon_gem_kmap_atomic, .kunmap = radeon_gem_kunmap, .kunmap_atomic = radeon_gem_kunmap_atomic, + .mmap = radeon_gem_prime_mmap, }; static int radeon_prime_create(struct drm_device *dev,