linux-kernel - Re: [PATCH 1/1] drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to

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Date:   Mon, 6 Jun 2022 15:42:42 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     José Expósito <jose.exposito89@...il.com>
Cc:     javierm@...hat.com, davidgow@...gle.com, dlatypov@...gle.com,
        tzimmermann@...e.de, maarten.lankhorst@...ux.intel.com,
        airlied@...ux.ie, daniel@...ll.ch, dri-devel@...ts.freedesktop.org,
        kunit-dev@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] drm/format-helper: Add KUnit tests for
 drm_fb_xrgb8888_to_rgb332()

Hi,

On Mon, Jun 06, 2022 at 11:55:16AM +0200, José Expósito wrote:
> Test the conversion from XRGB8888 to RGB332.
> 
> What is tested?
> 
>  - Different values for the X in XRGB8888 to make sure it is ignored
>  - Different clip values: Single pixel and full and partial buffer
>  - Well known colors: White, black, red, green, blue, magenta, yellow
>    and cyan
>  - Other colors: Randomly picked
>  - Destination pitch
> 
> How to run the tests?
> 
>  $ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm \
>          --kconfig_add CONFIG_VIRTIO_UML=y \
>          --kconfig_add CONFIG_UML_PCI_OVER_VIRTIO=y

It's not clear to me why you would need VIRTIO here? The Kunit config
file should be enough to run the tests properly

Maxime

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