[Intel-gfx] [PATCH i-g-t] i915/gem_ctx_exec: Remember to ask for permission to reset the GPU

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> norecovery intentionally issues a GPU reset, but we should only do so
> after confirming with the kernel that this can work.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

> ---
>  tests/i915/gem_ctx_exec.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/tests/i915/gem_ctx_exec.c b/tests/i915/gem_ctx_exec.c
> index 78cfe66c8..d67d0ec25 100644
> --- a/tests/i915/gem_ctx_exec.c
> +++ b/tests/i915/gem_ctx_exec.c
> @@ -158,7 +158,10 @@ static bool has_recoverable_param(int i915)
>  
>  static void norecovery(int i915)
>  {
> +	igt_hang_t hang;
> +
>  	igt_require(has_recoverable_param(i915));
> +	hang = igt_allow_hang(i915, 0, 0);
>  
>  	for (int pass = 1; pass >= 0; pass--) {
>  		struct drm_i915_gem_context_param param = {
> @@ -190,6 +193,8 @@ static void norecovery(int i915)
>  
>  		gem_context_destroy(i915, param.ctx_id);
>  	}
> +
> +	 igt_disallow_hang(i915, hang);
>  }
>  
>  igt_main
> -- 
> 2.20.1
>
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