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drm/tests: Switch to kunit devices 

Kunit recently gained helpers to create test managed devices. This means
that we no longer have to roll our own helpers in KMS and we can reuse
them.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
Tested-by: David Gow <davidgow@google.com>
Signed-off-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Maxime Ripard 2023-12-15 15:39:12 +08:00 committed by Shuah Khan
parent e57cdff0dd
commit d393acce7b
1 changed files with 3 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
drivers/gpu/drm/tests/drm_kunit_helpers.c
View File

@ -5,6 +5,7 @@
#include <drm/drm_kunit_helpers.h>
#include <drm/drm_managed.h>
#include <kunit/device.h>
#include <kunit/resource.h>
#include <linux/device.h>
@ -15,28 +16,6 @@
static const struct drm_mode_config_funcs drm_mode_config_funcs = {
};
static int fake_probe(struct platform_device *pdev)
{
return 0;
}
static struct platform_driver fake_platform_driver = {
.probe = fake_probe,
.driver = {
.name = KUNIT_DEVICE_NAME,
},
};
KUNIT_DEFINE_ACTION_WRAPPER(kunit_action_platform_driver_unregister,
platform_driver_unregister,
struct platform_driver *);
KUNIT_DEFINE_ACTION_WRAPPER(kunit_action_platform_device_put,
platform_device_put,
struct platform_device *);
KUNIT_DEFINE_ACTION_WRAPPER(kunit_action_platform_device_del,
platform_device_del,
struct platform_device *);
/**
* drm_kunit_helper_alloc_device - Allocate a mock device for a KUnit test
* @test: The test context object
@ -54,34 +33,7 @@ KUNIT_DEFINE_ACTION_WRAPPER(kunit_action_platform_device_del,
*/
struct device *drm_kunit_helper_alloc_device(struct kunit *test)
{
struct platform_device *pdev;
int ret;
ret = platform_driver_register(&fake_platform_driver);
KUNIT_ASSERT_EQ(test, ret, 0);
ret = kunit_add_action_or_reset(test,
kunit_action_platform_driver_unregister,
&fake_platform_driver);
KUNIT_ASSERT_EQ(test, ret, 0);
pdev = platform_device_alloc(KUNIT_DEVICE_NAME, PLATFORM_DEVID_NONE);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);
ret = kunit_add_action_or_reset(test,
kunit_action_platform_device_put,
pdev);
KUNIT_ASSERT_EQ(test, ret, 0);
ret = platform_device_add(pdev);
KUNIT_ASSERT_EQ(test, ret, 0);
ret = kunit_add_action_or_reset(test,
kunit_action_platform_device_del,
pdev);
KUNIT_ASSERT_EQ(test, ret, 0);
return &pdev->dev;
return kunit_device_register(test, KUNIT_DEVICE_NAME);
}
EXPORT_SYMBOL_GPL(drm_kunit_helper_alloc_device);
@ -94,19 +46,7 @@ EXPORT_SYMBOL_GPL(drm_kunit_helper_alloc_device);
*/
void drm_kunit_helper_free_device(struct kunit *test, struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
kunit_release_action(test,
kunit_action_platform_device_del,
pdev);
kunit_release_action(test,
kunit_action_platform_device_put,
pdev);
kunit_release_action(test,
kunit_action_platform_driver_unregister,
&fake_platform_driver);
kunit_device_unregister(test, dev);
}
EXPORT_SYMBOL_GPL(drm_kunit_helper_free_device);