[PATCH i-g-t 1/3] tests/kms_getfb: Split property-ID get into helper

[Ville Syrjälä]

On Fri, Mar 23, 2018 at 01:46:14PM +0000, Daniel Stone wrote:
> We'll want to reuse this, so split it out into a (smaller!) helper.
> 
> Signed-off-by: Daniel Stone <daniels at collabora.com>
> ---
>  tests/kms_getfb.c | 36 +++++++++++++++++++-----------------
>  1 file changed, 19 insertions(+), 17 deletions(-)
> 
> diff --git a/tests/kms_getfb.c b/tests/kms_getfb.c
> index c5968e75..a9852626 100644
> --- a/tests/kms_getfb.c
> +++ b/tests/kms_getfb.c
> @@ -72,6 +72,23 @@ static void get_ccs_fb(int fd, struct drm_mode_fb_cmd2 *ret)
>  		gem_close(fd, add.handles[0]);
>  }
>  
> +/**
> + * Find and return an arbitrary valid property ID.
> + */
> +static uint32_t get_prop_id(int fd)

get_any_prop_id() or something like that maybe?

Either way
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> +{
> +	igt_display_t display;
> +
> +	igt_display_init(&display, fd);
> +	for (int i = 0; i < display.n_outputs; i++) {
> +		igt_output_t *output = &display.outputs[i];
> +		if (output->props[IGT_CONNECTOR_DPMS] != 0)
> +			return output->props[IGT_CONNECTOR_DPMS];
> +	}
> +
> +	return 0;
> +}
> +
>  static void test_handle_input(int fd)
>  {
>  	struct drm_mode_fb_cmd2 add = {};
> @@ -111,23 +128,8 @@ static void test_handle_input(int fd)
>  	}
>  
>  	igt_subtest("getfb-handle-not-fb") {
> -		struct drm_mode_fb_cmd get = { };
> -		uint32_t prop_id = 0;
> -		igt_display_t display;
> -
> -		/* Find a valid property ID to use. */
> -		igt_display_init(&display, fd);
> -		for (int i = 0; i < display.n_outputs; i++) {
> -			igt_output_t *output = &display.outputs[i];
> -
> -			if (output->props[IGT_CONNECTOR_DPMS] != 0) {
> -				prop_id = output->props[IGT_CONNECTOR_DPMS];
> -				break;
> -			}
> -		}
> -		igt_require(prop_id > 0);
> -
> -		get.fb_id = prop_id;
> +		struct drm_mode_fb_cmd get = { .fb_id = get_prop_id(fd) };
> +		igt_require(get.fb_id > 0);
>  		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB, &get, ENOENT);
>  	}
>  }
> -- 
> 2.16.2
> 
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-- 
Ville Syrjälä
Intel OTC