[Intel-gfx] [PATCH igt 2/2] igt/kms_frontbuffer_tracking: Bump the wait time for FBC

Chris Wilson chris at chris-wilson.co.uk
Fri Jan 26 21:39:28 UTC 2018


Quoting Chris Wilson (2018-01-25 21:28:49)
> It is taking longer than a couple of seconds for the FBC worker to be
> executed after scheduling; and then will take a minimum of a vblank
> interval for it activate. So wait longer to reduce the flip flops.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Any acks?

> ---
>  tests/kms_frontbuffer_tracking.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c
> index 79e4f5862..fb5627535 100644
> --- a/tests/kms_frontbuffer_tracking.c
> +++ b/tests/kms_frontbuffer_tracking.c
> @@ -920,7 +920,7 @@ static bool fbc_stride_not_supported(void)
>  
>  static bool fbc_wait_until_enabled(void)
>  {
> -       return igt_wait(fbc_is_enabled(IGT_LOG_DEBUG), 2000, 1);
> +       return igt_wait(fbc_is_enabled(IGT_LOG_DEBUG), 5000, 8);
>  }
>  
>  static bool psr_wait_until_enabled(void)
> -- 
> 2.15.1
> 


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