[PATCH v2 v3.18-rc4 2/4] drm: prime: Document gem_prime_mmap

Daniel Thompson
2014-11-12T11:38:44Z

gem_prime_map is not currently described in the DRM manual, lets document
it.

Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
---
drivers/gpu/drm/drm_prime.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 8467b17c8053..5d00c8726133 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -309,7 +309,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
* Drivers can implement @gem_prime_export and @gem_prime_import in terms of
* simpler APIs by using the helper functions @drm_gem_prime_export and
* @drm_gem_prime_import. These functions implement dma-buf support in terms of
- * five lower-level driver callbacks:
+ * six lower-level driver callbacks:
*
* Export callbacks:
*
@@ -321,6 +321,8 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
*
* - @gem_prime_vunmap: vunmap a buffer exported by your driver
*
+ * - @gem_prime_mmap (optional): mmap a buffer exported by your driver
+ *
* Import callback:
*
* - @gem_prime_import_sg_table (import): produce a GEM object from another
--
1.9.3