[igt-dev] [PATCH i-g-t v4 21/21] chamelium: Add a display test for randomized planes

[Maxime Ripard]

On Fri, Jan 25, 2019 at 03:06:23PM +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 at bootlin.com>

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

Maxime

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