diff options
| -rw-r--r-- | lib/ioctl_wrappers.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c index 80e1ec6e..eb745bc0 100644 --- a/lib/ioctl_wrappers.c +++ b/lib/ioctl_wrappers.c @@ -456,7 +456,7 @@ void gem_execbuf(int fd, struct drm_i915_gem_execbuffer2 *execbuf) * This functions wraps up procedure to establish a memory mapping through the * GTT. * - * Returns: A pointer to the created memory mapping. + * Returns: A pointer to the created memory mapping, NULL on failure. */ void *gem_mmap__gtt(int fd, uint32_t handle, uint64_t size, unsigned prot) { @@ -535,7 +535,7 @@ bool gem_mmap__has_wc(int fd) * bypassing the GTT system agent (i.e. there is no automatic tiling of * the mmapping through the fence registers). * - * Returns: A pointer to the created memory mapping. + * Returns: A pointer to the created memory mapping, NULL on failure. */ void *gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot) { @@ -569,7 +569,7 @@ void *gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsi * This functions wraps up procedure to establish a memory mapping through * direct cpu access, bypassing the gpu completely. * - * Returns: A pointer to the created memory mapping. + * Returns: A pointer to the created memory mapping, NULL on failure. */ void *gem_mmap__cpu(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot) { |