[igt-dev] [Intel-gfx] [PATCH i-g-t] kms_flip: Reduce hang tests to minimum duration

[Andi Shyti]

Hi Chris,

On Wed, Apr 08, 2020 at 11:24:08AM +0100, Chris Wilson wrote:
> Hang tests are slow since we must wait for the kernel to detect the GPU
> hang before it forcibly completes the execution and signals the fence.
> The flip is not allowed before the fence is signaled and so must wait.
> Our test is that the flip does eventually occur, we only need to do that
> once, and let the power of repeated runs across many machines weed out
> the corner cases.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  tests/kms_flip.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tests/kms_flip.c b/tests/kms_flip.c
> index afaed69aa..4535ecc8b 100755
> --- a/tests/kms_flip.c
> +++ b/tests/kms_flip.c
> @@ -1546,8 +1546,8 @@ igt_main
>  					"flip-vs-wf_vblank" },
>  		{ 30, TEST_FLIP | TEST_VBLANK | TEST_VBLANK_BLOCK |
>  			TEST_CHECK_TS, "flip-vs-blocking-wf-vblank" },
> -		{ 30, TEST_FLIP | TEST_MODESET | TEST_HANG | TEST_NOEVENT, "flip-vs-modeset-vs-hang" },
> -		{ 30, TEST_FLIP | TEST_PAN | TEST_HANG, "flip-vs-panning-vs-hang" },
> +		{ 1, TEST_FLIP | TEST_MODESET | TEST_HANG | TEST_NOEVENT, "flip-vs-modeset-vs-hang" },
> +		{ 1, TEST_FLIP | TEST_PAN | TEST_HANG, "flip-vs-panning-vs-hang" },

Reviewed-by: Andi Shyti <andi.shyti at intel.com>

Andi