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From 2765d84553542d356236a0e4f79ca320fba5aa73 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Thu, 1 Dec 2022 11:08:24 +0100
Subject: [PATCH] Documentation: gpu: vc4: Add KUnit Tests Section
Now that we have VC4-specific tests in place, let's document them
properly.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
Documentation/gpu/vc4.rst | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
--- a/Documentation/gpu/vc4.rst
+++ b/Documentation/gpu/vc4.rst
@@ -54,6 +54,22 @@ VEC (Composite TV out) encoder
.. kernel-doc:: drivers/gpu/drm/vc4/vc4_vec.c
:doc: VC4 SDTV module
+KUnit Tests
+===========
+
+The VC4 Driver uses KUnit to perform driver-specific unit and
+integration tests.
+
+These tests are using a mock driver and can be ran using the
+command::
+ ./tools/testing/kunit/kunit.py run \
+ --kunitconfig=drivers/gpu/drm/vc4/tests/.kunitconfig \
+ --cross_compile aarch64-linux-gnu- --arch arm64
+
+Parts of the driver that are currently covered by tests are:
+ * The HVS to PixelValve dynamic FIFO assignment, for the BCM2835-7
+ and BCM2711.
+
Memory Management and 3D Command Submission
===========================================
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