Re: [PATCH i-g-t] tests: kms_pipe_color: fix ctm tests

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On Tue, Sep 20, 2016 at 09:46:58AM +0100, Lionel Landwerlin wrote:
> Some of the Intel platforms have odd numbers of LUT entries and we
> need to tests a couple of values around the expected result. Bring
> back the CRC equal function we need that doesn't trigger an assert
> right away, while we still assert if we can't find a correct result in
> the outter loop.
> 
> v2: update Fixes field (Jani)
> 
> bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97691
> Fixes: 582ce4cd19c6 ("lib/debugs: nuke igt_crc_equal again")
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Christophe Prigent <christophe.prigent@xxxxxxxxx>
> ---
>  tests/kms_pipe_color.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/kms_pipe_color.c b/tests/kms_pipe_color.c
> index b0a2f07..ebfceab 100644
> --- a/tests/kms_pipe_color.c
> +++ b/tests/kms_pipe_color.c
> @@ -652,6 +652,16 @@ static void test_pipe_legacy_gamma_reset(data_t *data,
>  	free(gamma_zero);
>  }
>  
> +static bool crc_equal(igt_crc_t *a, igt_crc_t *b)
> +{
> +  int i;
> +
> +  for (i = 0; i < a->n_words; i++)
> +    if (a->crc[i] != b->crc[i])
> +      return false;
> +  return true;
> +}

memcmp()?

> +
>  /*
>   * Draw 3 rectangles using before colors with the ctm matrix apply and verify
>   * the CRC is equal to using after colors with an identify ctm matrix.
> @@ -724,7 +734,7 @@ static bool test_pipe_ctm(data_t *data,
>  		/* Verify that the CRC of the software computed output is
>  		 * equal to the CRC of the CTM matrix transformation output.
>  		 */
> -		igt_assert_crc_equal(&crc_software, &crc_hardware);
> +		ret &= crc_equal(&crc_software, &crc_hardware);
>  
>  		igt_output_set_pipe(output, PIPE_ANY);
>  	}
> -- 
> 2.8.1
> 
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC
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