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-rw-r--r--Documentation/admin-guide/media/visl.rst12
-rw-r--r--Documentation/admin-guide/media/vivid.rst2
2 files changed, 11 insertions, 3 deletions
diff --git a/Documentation/admin-guide/media/visl.rst b/Documentation/admin-guide/media/visl.rst
index db1ef29438..cd45145cde 100644
--- a/Documentation/admin-guide/media/visl.rst
+++ b/Documentation/admin-guide/media/visl.rst
@@ -49,6 +49,10 @@ Module parameters
visl_dprintk_frame_start, visl_dprintk_nframes, but controls the dumping of
buffer data through debugfs instead.
+- tpg_verbose: Write extra information on each output frame to ease debugging
+ the API. When set to true, the output frames are not stable for a given input
+ as some information like pointers or queue status will be added to them.
+
What is the default use case for this driver?
---------------------------------------------
@@ -57,8 +61,12 @@ This assumes that a working client is run against visl and that the ftrace and
OUTPUT buffer data is subsequently used to debug a work-in-progress
implementation.
-Information on reference frames, their timestamps, the status of the OUTPUT and
-CAPTURE queues and more can be read directly from the CAPTURE buffers.
+Even though no video decoding is actually done, the output frames can be used
+against a reference for a given input, except if tpg_verbose is set to true.
+
+Depending on the tpg_verbose parameter value, information on reference frames,
+their timestamps, the status of the OUTPUT and CAPTURE queues and more can be
+read directly from the CAPTURE buffers.
Supported codecs
----------------
diff --git a/Documentation/admin-guide/media/vivid.rst b/Documentation/admin-guide/media/vivid.rst
index 58ac25b2c3..b6f658c099 100644
--- a/Documentation/admin-guide/media/vivid.rst
+++ b/Documentation/admin-guide/media/vivid.rst
@@ -60,7 +60,7 @@ all configurable using the following module options:
- node_types:
which devices should each driver instance create. An array of
- hexadecimal values, one for each instance. The default is 0x1d3d.
+ hexadecimal values, one for each instance. The default is 0xe1d3d.
Each value is a bitmask with the following meaning:
- bit 0: Video Capture node