Re: [PATCH v4] drm/test: add a test suite for GEM objects backed by shmem

[Maxime Ripard]

Hi,

On Thu, Nov 23, 2023 at 11:01:46AM +0100, Marco Pagani wrote:
> +static int drm_gem_shmem_test_init(struct kunit *test)
> +{
> +     struct device *dev;
> +     struct fake_dev {
> +             struct drm_device drm_dev;
> +     } *fdev;
> +

[...]

> +
> +     /*
> +      * The DRM core will automatically initialize the GEM core and create
> +      * a DRM Memory Manager object which provides an address space pool
> +      * for GEM objects allocation.
> +      */
> +     fdev = drm_kunit_helper_alloc_drm_device(test, dev, struct fake_dev,
> +                                              drm_dev, DRIVER_GEM);
> +     KUNIT_ASSERT_NOT_ERR_OR_NULL(test, fdev);

Sorry I missed it earlier, but you don't need the intermediate structure
if you use

struct drm_device *drm;

drm = __drm_kunit_helper_alloc_drm_device(test, dev, sizeof(*drm), 0, 
DRIVER_GEM);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, drm);

Maxime

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