Re: [PATCH v2] drm/doc: Add a few words on validation with IGT

[Daniel Vetter]

On Thu, Sep 01, 2016 at 09:41:35AM +0200, Tomeu Vizoso wrote:
> 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@xxxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>

Applied to drm-misc, thanks.
-Daniel

> ---
>  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 12b47c30fe2e..1ba301cebe16 100644
> --- a/Documentation/gpu/drm-uapi.rst
> +++ b/Documentation/gpu/drm-uapi.rst
> @@ -156,6 +156,43 @@ other hand, a driver requires shared state between clients which is
>  visible to user-space and accessible beyond open-file boundaries, they
>  cannot support render nodes.
>  
> +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/drm/igt-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/drm/igt-gpu-tools
> +
> +Configure the build system and start the build::
> +
> +	$ cd igt-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.
> +
>  VBlank event handling
>  =====================
>  
> -- 
> 2.7.4
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch