drm: document driver interface for CRC capturing

This was missed in Tomeu's patch. Also remove the kerneldoc for the
internal function, we don't document that in general.

While at it word-smith the docs slightly for more clarity.

Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322083617.13361-4-daniel.vetter@ffwll.ch

1 files changed, 3 insertions, 0 deletions

diff --git a/Documentation/gpu/drm-uapi.rst b/Documentation/gpu/drm-uapi.rst
index 352652810dab..369e8ca12b8e 100644
--- a/Documentation/gpu/drm-uapi.rst
+++ b/Documentation/gpu/drm-uapi.rst
@@ -207,6 +207,9 @@ Display CRC Support
 .. kernel-doc:: drivers/gpu/drm/drm_debugfs_crc.c
    :doc: CRC ABI
 
+.. kernel-doc:: drivers/gpu/drm/drm_debugfs_crc.c
+   :export:
+
 VBlank event handling
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