@@ -1352,6 +1352,7 @@ uint64_t gem_mappable_aperture_size(void)
/**
* gem_global_aperture_size:
+ * @fd: open i915 drm file descriptor
*
* Feature test macro to query the kernel for the global gpu aperture size.
* This is the area available for the kernel to perform address translations.
@@ -1574,6 +1575,9 @@ off_t prime_get_size(int dma_buf_fd)
/**
* prime_sync_start
* @dma_buf_fd: dma-buf fd handle
+ * @write: read/write or read-only access
+ *
+ * Must be called before starting CPU mmap access to a dma-buf.
*/
void prime_sync_start(int dma_buf_fd, bool write)
{
@@ -1590,6 +1594,9 @@ void prime_sync_start(int dma_buf_fd, bool write)
/**
* prime_sync_end
* @dma_buf_fd: dma-buf fd handle
+ * @write: read/write or read-only access
+ *
+ * Must be called after finishing CPU mmap access to a dma-buf.
*/
void prime_sync_end(int dma_buf_fd, bool write)
{
We probably should nuke a bunch of the local_ defines again ... Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> --- lib/ioctl_wrappers.c | 7 +++++++ 1 file changed, 7 insertions(+)