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Date: Tue, 23 Aug 2016 11:15:31 +0200 From: Tomeu Vizoso <tomeu.vizoso@...labora.com> To: linux-kernel@...r.kernel.org Cc: Tomeu Vizoso <tomeu.vizoso@...labora.com>, Daniel Vetter <daniel.vetter@...el.com>, David Airlie <airlied@...ux.ie>, Jonathan Corbet <corbet@....net>, dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org Subject: [PATCH] drm/doc: Add a few words on validation with IGT Also provide some pointers for building IGT as some kernel hackers might not be that familiar with building stuff on Linux distros. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com> Cc: Daniel Vetter <daniel.vetter@...el.com> --- Documentation/gpu/drm-uapi.rst | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/Documentation/gpu/drm-uapi.rst b/Documentation/gpu/drm-uapi.rst index 94876938aef3..5e425ab83dc1 100644 --- a/Documentation/gpu/drm-uapi.rst +++ b/Documentation/gpu/drm-uapi.rst @@ -112,3 +112,40 @@ interfaces. Especially since all hardware-acceleration interfaces to userspace are driver specific for efficiency and other reasons these interfaces can be rather substantial. Hence every driver has its own chapter. + +Validating changes with IGT +=========================== + +There's a collection of tests that aims to cover the whole functionality of +DRM drivers and that can be used to check that changes to DRM drivers or the +core don't regress existing functionality. This test suite is called IGT and +its code can be found in https://cgit.freedesktop.org/xorg/app/intel-gpu-tools. + +To build IGT, start by installing its build dependencies. In Debian-based +systems:: + + # apt-get build-dep intel-gpu-tools + +And in Fedora-based systems:: + + # dnf builddep intel-gpu-tools + +Then clone the repository:: + + $ git clone git://anongit.freedesktop.org/xorg/app/intel-gpu-tools + +Configure the build system and start the build:: + + $ cd intel-gpu-tools && ./autogen.sh && make -j6 + +Download the piglit dependency:: + + $ ./scripts/run-tests.sh -d + +And run the tests:: + + $ ./scripts/run-tests.sh -t kms -t core -s + +run-tests.sh is a wrapper around piglit that will execute the tests matching +the -t options. A report in HTML format will be available in +./results/html/index.html. Results can be compared with piglit. -- 2.7.4
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