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51f9072038
We're going to need a full-blown, functional, KMS device to test more components of the atomic modesetting infrastructure. Let's add a new helper to create a dumb, mocked, CRTC. By default it will create a CRTC relying only on the default helpers, but drivers are free to deviate from that. Reviewed-by: Maíra Canal <mcanal@igalia.com> Signed-off-by: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240222-kms-hdmi-connector-state-v7-4-8f4af575fce2@kernel.org
124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef DRM_KUNIT_HELPERS_H_
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#define DRM_KUNIT_HELPERS_H_
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#include <drm/drm_drv.h>
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#include <linux/device.h>
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#include <kunit/test.h>
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struct drm_crtc_funcs;
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struct drm_crtc_helper_funcs;
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struct drm_device;
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struct drm_plane_funcs;
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struct drm_plane_helper_funcs;
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struct kunit;
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struct device *drm_kunit_helper_alloc_device(struct kunit *test);
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void drm_kunit_helper_free_device(struct kunit *test, struct device *dev);
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struct drm_device *
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__drm_kunit_helper_alloc_drm_device_with_driver(struct kunit *test,
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struct device *dev,
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size_t size, size_t offset,
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const struct drm_driver *driver);
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/**
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* drm_kunit_helper_alloc_drm_device_with_driver - Allocates a mock DRM device for KUnit tests
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* @_test: The test context object
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* @_dev: The parent device object
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* @_type: the type of the struct which contains struct &drm_device
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* @_member: the name of the &drm_device within @_type.
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* @_drv: Mocked DRM device driver features
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*
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* This function creates a struct &drm_device from @_dev and @_drv.
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*
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* @_dev should be allocated using drm_kunit_helper_alloc_device().
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*
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* The driver is tied to the @_test context and will get cleaned at the
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* end of the test. The drm_device is allocated through
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* devm_drm_dev_alloc() and will thus be freed through a device-managed
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* resource.
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*
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* Returns:
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* A pointer to the new drm_device, or an ERR_PTR() otherwise.
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*/
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#define drm_kunit_helper_alloc_drm_device_with_driver(_test, _dev, _type, _member, _drv) \
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((_type *)__drm_kunit_helper_alloc_drm_device_with_driver(_test, _dev, \
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sizeof(_type), \
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offsetof(_type, _member), \
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_drv))
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static inline struct drm_device *
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__drm_kunit_helper_alloc_drm_device(struct kunit *test,
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struct device *dev,
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size_t size, size_t offset,
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u32 features)
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{
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struct drm_driver *driver;
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driver = devm_kzalloc(dev, sizeof(*driver), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, driver);
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driver->driver_features = features;
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return __drm_kunit_helper_alloc_drm_device_with_driver(test, dev,
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size, offset,
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driver);
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}
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/**
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* drm_kunit_helper_alloc_drm_device - Allocates a mock DRM device for KUnit tests
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* @_test: The test context object
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* @_dev: The parent device object
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* @_type: the type of the struct which contains struct &drm_device
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* @_member: the name of the &drm_device within @_type.
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* @_features: Mocked DRM device driver features
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*
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* This function creates a struct &drm_driver and will create a struct
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* &drm_device from @_dev and that driver.
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*
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* @_dev should be allocated using drm_kunit_helper_alloc_device().
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*
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* The driver is tied to the @_test context and will get cleaned at the
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* end of the test. The drm_device is allocated through
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* devm_drm_dev_alloc() and will thus be freed through a device-managed
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* resource.
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*
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* Returns:
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* A pointer to the new drm_device, or an ERR_PTR() otherwise.
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*/
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#define drm_kunit_helper_alloc_drm_device(_test, _dev, _type, _member, _feat) \
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((_type *)__drm_kunit_helper_alloc_drm_device(_test, _dev, \
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sizeof(_type), \
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offsetof(_type, _member), \
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_feat))
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struct drm_modeset_acquire_ctx *
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drm_kunit_helper_acquire_ctx_alloc(struct kunit *test);
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struct drm_atomic_state *
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drm_kunit_helper_atomic_state_alloc(struct kunit *test,
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struct drm_device *drm,
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struct drm_modeset_acquire_ctx *ctx);
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struct drm_plane *
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drm_kunit_helper_create_primary_plane(struct kunit *test,
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struct drm_device *drm,
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const struct drm_plane_funcs *funcs,
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const struct drm_plane_helper_funcs *helper_funcs,
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const uint32_t *formats,
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unsigned int num_formats,
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const uint64_t *modifiers);
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struct drm_crtc *
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drm_kunit_helper_create_crtc(struct kunit *test,
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struct drm_device *drm,
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struct drm_plane *primary,
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struct drm_plane *cursor,
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const struct drm_crtc_funcs *funcs,
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const struct drm_crtc_helper_funcs *helper_funcs);
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#endif // DRM_KUNIT_HELPERS_H_
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