linux-kernel - Re: [PATCH v2 05/17] drm/tests: helpers: Create the device in another function

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Message-ID: <eb318e69-3fc5-c041-cc17-e0549d6cf128@igalia.com>
Date:   Mon, 28 Nov 2022 16:48:45 -0300
From:   Maíra Canal <mcanal@...lia.com>
To:     Maxime Ripard <maxime@...no.tech>, Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        David Airlie <airlied@...il.com>,
        Thomas Zimmermann <tzimmermann@...e.de>
Cc:     David Gow <davidgow@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Javier Martinez Canillas <javierm@...hat.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linaro-mm-sig@...ts.linaro.org,
        Brendan Higgins <brendan.higgins@...ux.dev>,
        linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        linux-media@...r.kernel.org
Subject: Re: [PATCH v2 05/17] drm/tests: helpers: Create the device in another
 function

On 11/28/22 11:53, Maxime Ripard wrote:
> We'll need in some tests to control when the device needs to be added
> and removed, so let's split the device creation from the DRM device
> creation function.
> 
> Signed-off-by: Maxime Ripard <maxime@...no.tech>

Just a small nit below,

Reviewed-by: Maíra Canal <mcanal@...lia.com>

>  
> diff --git a/drivers/gpu/drm/tests/drm_probe_helper_test.c b/drivers/gpu/drm/tests/drm_probe_helper_test.c
> index be61a92b79d2..438b1d42b843 100644
> --- a/drivers/gpu/drm/tests/drm_probe_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_probe_helper_test.c
> @@ -17,6 +17,7 @@
>  
>  struct drm_probe_helper_test_priv {
>  	struct drm_device *drm;
> +	struct device *dev;
>  	struct drm_connector connector;
>  };
>  
> @@ -39,7 +40,10 @@ static int drm_probe_helper_test_init(struct kunit *test)
>  	KUNIT_ASSERT_NOT_NULL(test, priv);
>  	test->priv = priv;
>  
> -	priv->drm = drm_kunit_helper_alloc_drm_device(test,
> +	priv->dev = drm_kunit_helper_alloc_device(test);
> +	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->dev);
> +
> +	priv->drm = drm_kunit_helper_alloc_drm_device(test, priv->dev,
>  						      DRIVER_MODESET | DRIVER_ATOMIC);
>  	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->drm);
>  
> @@ -55,6 +59,13 @@ static int drm_probe_helper_test_init(struct kunit *test)
>  	return 0;
>  }
>  
> +static void drm_probe_helper_test_exit(struct kunit *test)
> +{
> +	struct drm_probe_helper_test_priv *priv = test->priv;;

There are two semicolons by the end of this statement.

Best Regards,
- Maíra Canal

> +
> +	drm_kunit_helper_free_device(test, priv->dev);
> +}
> +
>  typedef struct drm_display_mode *(*expected_mode_func_t)(struct drm_device *);
>  
>  struct drm_connector_helper_tv_get_modes_test {
> @@ -195,6 +206,7 @@ static struct kunit_case drm_test_connector_helper_tv_get_modes_tests[] = {
>  static struct kunit_suite drm_test_connector_helper_tv_get_modes_suite = {
>  	.name = "drm_connector_helper_tv_get_modes",
>  	.init = drm_probe_helper_test_init,
> +	.exit = drm_probe_helper_test_exit,
>  	.test_cases = drm_test_connector_helper_tv_get_modes_tests,
>  };
>  
> diff --git a/include/drm/drm_kunit_helpers.h b/include/drm/drm_kunit_helpers.h
> index 6c12b1426ba0..b4277fe92c38 100644
> --- a/include/drm/drm_kunit_helpers.h
> +++ b/include/drm/drm_kunit_helpers.h
> @@ -6,8 +6,11 @@
>  struct drm_device;
>  struct kunit;
>  
> +struct device *drm_kunit_helper_alloc_device(struct kunit *test);
> +void drm_kunit_helper_free_device(struct kunit *test, struct device *dev);
> +
>  struct drm_device *
> -drm_kunit_helper_alloc_drm_device(struct kunit *test,
> +drm_kunit_helper_alloc_drm_device(struct kunit *test, struct device *dev,
>  				  u32 features);
>  
>  #endif // DRM_KUNIT_HELPERS_H_
>