[Intel-gfx] [igt-dev] [RFC PATCH i-g-t v2 6/8] tests/core_hotunplug: Add 'GEM object' variant

[Michał Winiarski]

Quoting Janusz Krzysztofik (2020-06-22 18:44:13)
> GEM objects belonging to user file descriptors still open on device
> hotunplug may exhibit still more driver issues.  Add a subtest that
> implements this scenario.
> 
> v2: rebase on upstream
> 
> Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik at linux.intel.com>
> ---
>  tests/core_hotunplug.c | 30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/tests/core_hotunplug.c b/tests/core_hotunplug.c
> index 18a963564..c30d98a69 100644
> --- a/tests/core_hotunplug.c
> +++ b/tests/core_hotunplug.c
> @@ -356,6 +356,29 @@ static void vm_hotunplug_lateclose(void)
>         healthcheck();
>  }
>  
> +static void gem_hotunplug_lateclose(void)
> +{
> +       struct hotunplug priv;
> +
> +       prepare_for_rescan(&priv);
> +
> +       igt_require_gem(priv.fd.drm);
> +
> +       local_debug("creating a GEM user object");
> +       igt_ignore_warn(gem_create(priv.fd.drm, 4096));

Same as previous one.
(note - we could just check for proper error when we attempt to close this
handle after unplug, and the same thing applies to the previous one with the vm)

LGTM otherwise.

Reviewed-by: Michał Winiarski <michal.winiarski at intel.com>

-Michał