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author | Samuel Li <Samuel.Li@amd.com> | 2018-01-04 16:12:14 -0500 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2018-01-09 12:07:07 -0500 |
commit | c308279f87988a1582a52f25fa7903974f0f4a12 (patch) | |
tree | de368bb967a0029185c9ddff507c222e1ac0c26c /drivers/gpu/drm/drm_prime.c | |
parent | a10195bbe7f4e6ba540083ba13126ef745116cae (diff) | |
download | linux-c308279f87988a1582a52f25fa7903974f0f4a12.tar.gz linux-c308279f87988a1582a52f25fa7903974f0f4a12.tar.bz2 linux-c308279f87988a1582a52f25fa7903974f0f4a12.zip |
drm: export gem dmabuf_ops for drivers to reuse
Signed-off-by: Samuel Li <Samuel.Li@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1515100334-6845-1-git-send-email-Samuel.Li@amd.com
Diffstat (limited to 'drivers/gpu/drm/drm_prime.c')
-rw-r--r-- | drivers/gpu/drm/drm_prime.c | 53 |
1 files changed, 31 insertions, 22 deletions
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 9a17725b0f7a..ca09ce74e302 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -180,9 +180,8 @@ static int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpri return -ENOENT; } -static int drm_gem_map_attach(struct dma_buf *dma_buf, - struct device *target_dev, - struct dma_buf_attachment *attach) +int drm_gem_map_attach(struct dma_buf *dma_buf, struct device *target_dev, + struct dma_buf_attachment *attach) { struct drm_prime_attachment *prime_attach; struct drm_gem_object *obj = dma_buf->priv; @@ -200,9 +199,10 @@ static int drm_gem_map_attach(struct dma_buf *dma_buf, return dev->driver->gem_prime_pin(obj); } +EXPORT_SYMBOL(drm_gem_map_attach); -static void drm_gem_map_detach(struct dma_buf *dma_buf, - struct dma_buf_attachment *attach) +void drm_gem_map_detach(struct dma_buf *dma_buf, + struct dma_buf_attachment *attach) { struct drm_prime_attachment *prime_attach = attach->priv; struct drm_gem_object *obj = dma_buf->priv; @@ -228,6 +228,7 @@ static void drm_gem_map_detach(struct dma_buf *dma_buf, kfree(prime_attach); attach->priv = NULL; } +EXPORT_SYMBOL(drm_gem_map_detach); void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf) @@ -254,8 +255,8 @@ void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpr } } -static struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach, - enum dma_data_direction dir) +struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach, + enum dma_data_direction dir) { struct drm_prime_attachment *prime_attach = attach->priv; struct drm_gem_object *obj = attach->dmabuf->priv; @@ -291,13 +292,15 @@ static struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach, return sgt; } +EXPORT_SYMBOL(drm_gem_map_dma_buf); -static void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach, - struct sg_table *sgt, - enum dma_data_direction dir) +void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach, + struct sg_table *sgt, + enum dma_data_direction dir) { /* nothing to be done here */ } +EXPORT_SYMBOL(drm_gem_unmap_dma_buf); /** * drm_gem_dmabuf_export - dma_buf export implementation for GEM @@ -348,47 +351,52 @@ void drm_gem_dmabuf_release(struct dma_buf *dma_buf) } EXPORT_SYMBOL(drm_gem_dmabuf_release); -static void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf) +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); } +EXPORT_SYMBOL(drm_gem_dmabuf_vmap); -static void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr) +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); } +EXPORT_SYMBOL(drm_gem_dmabuf_vunmap); -static void *drm_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf, - unsigned long page_num) +void *drm_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf, + unsigned long page_num) { return NULL; } +EXPORT_SYMBOL(drm_gem_dmabuf_kmap_atomic); -static void drm_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf, - unsigned long page_num, void *addr) +void drm_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf, + unsigned long page_num, void *addr) { } -static void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, - unsigned long page_num) +EXPORT_SYMBOL(drm_gem_dmabuf_kunmap_atomic); + +void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num) { return NULL; } +EXPORT_SYMBOL(drm_gem_dmabuf_kmap); -static void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, - unsigned long page_num, void *addr) +void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num, + void *addr) { } +EXPORT_SYMBOL(drm_gem_dmabuf_kunmap); -static int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, - struct vm_area_struct *vma) +int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma) { struct drm_gem_object *obj = dma_buf->priv; struct drm_device *dev = obj->dev; @@ -398,6 +406,7 @@ static int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, return dev->driver->gem_prime_mmap(obj, vma); } +EXPORT_SYMBOL(drm_gem_dmabuf_mmap); static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { .attach = drm_gem_map_attach, |