Re: [igt-dev] [PATCH i-g-t v3 21/21] chamelium: Add a display test for randomized planes

Maxime Ripard
2019-01-11T15:24:06Z

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On Fri, Jan 11, 2019 at 10:05:32AM +0100, Paul Kocialkowski wrote:
> This introduces a new test for the Chamelium, that sets up planes
> with randomized properties such as the format, dimensions, position,
> in-framebuffer offsets and stride. The Chamelium capture is checked
> against the reference generated by cairo with either a CRC or the
> checkerboard-specific comparison method.
>
> This test also includes testing of the VC4-specific T-tiled and
> SAND-tiled modes, in all formats supported by the hardware.
>
> Since this test does not share much with previous Chamelium display
> tests (especially regarding KMS configuration), most of the code is
> not shared with other tests.
>
> This test can be derived with reproducible properties for regression
> testing in the future. For now, it serves as a fuzzing test
>
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

Reviewed-by: Maxime Ripard <maxime.ripard@bootlin.com>

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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