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

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