Some tests will need to provide their own drm_driver instead of relying
on the dumb one in the helpers, so let's create a helper that allows to
do so.
Signed-off-by: Maxime Ripard <max...@cerno.tech>
---
drivers/gpu/drm/tests/drm_kunit_helpers.c | 15 +++------
include/drm/drm_kunit_helpers.h | 51 +++++++++++++++++++++++++++++--
2 files changed, 54 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/tests/drm_kunit_helpers.c
b/drivers/gpu/drm/tests/drm_kunit_helpers.c
index 47a4a7752bb7..565623c6d7fe 100644
--- a/drivers/gpu/drm/tests/drm_kunit_helpers.c
+++ b/drivers/gpu/drm/tests/drm_kunit_helpers.c
@@ -82,20 +82,15 @@ void drm_kunit_helper_free_device(struct kunit *test,
struct device *dev)
EXPORT_SYMBOL(drm_kunit_helper_free_device);
struct drm_device *
-__drm_kunit_helper_alloc_drm_device(struct kunit *test, struct device *dev,
- size_t size, size_t offset,
- u32 features)
+__drm_kunit_helper_alloc_drm_device_with_driver(struct kunit *test,
+ struct device *dev,
+ size_t size, size_t offset,
+ const struct drm_driver *driver)
{
struct drm_device *drm;
- struct drm_driver *driver;
void *container;
int ret;
- driver = kunit_kzalloc(test, sizeof(*driver), GFP_KERNEL);
- if (!driver)
- return ERR_PTR(-ENOMEM);
-
- driver->driver_features = features;
container = __devm_drm_dev_alloc(dev, driver, size, offset);
if (IS_ERR(container))
return ERR_CAST(container);
@@ -109,7 +104,7 @@ __drm_kunit_helper_alloc_drm_device(struct kunit *test,
struct device *dev,
return drm;
}
-EXPORT_SYMBOL(__drm_kunit_helper_alloc_drm_device);
+EXPORT_SYMBOL(__drm_kunit_helper_alloc_drm_device_with_driver);
MODULE_AUTHOR("Maxime Ripard <max...@cerno.tech>");
MODULE_LICENSE("GPL");
diff --git a/include/drm/drm_kunit_helpers.h b/include/drm/drm_kunit_helpers.h
index 7908c516f2ab..5ad2c1b8480e 100644
--- a/include/drm/drm_kunit_helpers.h
+++ b/include/drm/drm_kunit_helpers.h
@@ -3,6 +3,8 @@
#ifndef DRM_KUNIT_HELPERS_H_
#define DRM_KUNIT_HELPERS_H_
+#include <kunit/test.h>
+
struct drm_device;
struct kunit;
@@ -10,9 +12,54 @@ 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, struct device *dev,
+__drm_kunit_helper_alloc_drm_device_with_driver(struct kunit *test,
+ struct device *dev,
+ size_t size, size_t offset,
+ const struct drm_driver
*driver);
+
+/**
+ * drm_kunit_helper_alloc_drm_device_with_driver - Allocates a mock DRM device
for Kunit tests
+ * @_test: The test context object
+ * @_dev: The parent device object
+ * @_type: the type of the struct which contains struct &drm_device
+ * @_member: the name of the &drm_device within @_type.
+ * @_drv: Mocked DRM device driver features
+ *
+ * This function creates a struct &drm_device from @_dev and @_drv.
+ *
+ * @_dev should be allocated using drm_kunit_helper_alloc_device().
+ *
+ * The driver is tied to the @_test context and will get cleaned at the
+ * end of the test. The drm_device is allocated through
+ * devm_drm_dev_alloc() and will thus be freed through a device-managed
+ * resource.
+ *
+ * Returns:
+ * A pointer to the new drm_device, or an ERR_PTR() otherwise.
+ */
+#define drm_kunit_helper_alloc_drm_device_with_driver(_test, _dev, _type,
_member, _drv) \
+ ((_type *)__drm_kunit_helper_alloc_drm_device_with_driver(_test, _dev,
\
+ sizeof(_type),
\
+ offsetof(_type,
_member), \
+ _drv))
+
+static inline struct drm_device *
+__drm_kunit_helper_alloc_drm_device(struct kunit *test,
+ struct device *dev,
size_t size, size_t offset,
- u32 features);
+ u32 features)
+{
+ struct drm_driver *driver;
+
+ driver = kunit_kzalloc(test, sizeof(*driver), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_NULL(test, driver);
+
+ driver->driver_features = features;
+
+ return __drm_kunit_helper_alloc_drm_device_with_driver(test, dev,
+ size, offset,
+ driver);
+}
/**
* drm_kunit_helper_alloc_drm_device - Allocates a mock DRM device for Kunit
tests
--
2.38.1-b4-0.11.0-dev-d416f
