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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
128 lines
4.1 KiB
Diff
128 lines
4.1 KiB
Diff
From cb8e04462f60d3f0659ef3adbba06cdf474f7fe3 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Mon, 21 Nov 2022 11:11:52 +0100
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Subject: [PATCH] drm/tests: helpers: Create the device in another
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function
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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We'll need in some tests to control when the device needs to be added
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and removed, so let's split the device creation from the DRM device
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creation function.
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Reviewed-by: Maíra Canal <mcanal@igalia.com>
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/tests/drm_kunit_helpers.c | 56 +++++++++++++----------
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include/drm/drm_kunit_helpers.h | 5 +-
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2 files changed, 37 insertions(+), 24 deletions(-)
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--- a/drivers/gpu/drm/tests/drm_kunit_helpers.c
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+++ b/drivers/gpu/drm/tests/drm_kunit_helpers.c
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@@ -17,36 +17,51 @@ struct kunit_dev {
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static const struct drm_mode_config_funcs drm_mode_config_funcs = {
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};
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-static int dev_init(struct kunit_resource *res, void *ptr)
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+/**
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+ * drm_kunit_helper_alloc_device - Allocate a mock device for a KUnit test
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+ * @test: The test context object
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+ *
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+ * This allocates a fake struct &device to create a mock for a KUnit
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+ * test.
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+ *
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+ * Callers need to make sure drm_kunit_helper_free_device() on the
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+ * device when done.
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+ *
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+ * Returns:
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+ * A pointer to the new device, or an ERR_PTR() otherwise.
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+ */
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+struct device *drm_kunit_helper_alloc_device(struct kunit *test)
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{
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- char *name = ptr;
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- struct device *dev;
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-
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- dev = root_device_register(name);
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- if (IS_ERR(dev))
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- return PTR_ERR(dev);
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-
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- res->data = dev;
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- return 0;
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+ return root_device_register(KUNIT_DEVICE_NAME);
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}
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+EXPORT_SYMBOL_GPL(drm_kunit_helper_alloc_device);
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-static void dev_free(struct kunit_resource *res)
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+/**
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+ * drm_kunit_helper_free_device - Frees a mock device
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+ * @test: The test context object
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+ * @dev: The device to free
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+ *
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+ * Frees a device allocated with drm_kunit_helper_alloc_device().
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+ */
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+void drm_kunit_helper_free_device(struct kunit *test, struct device *dev)
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{
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- struct device *dev = res->data;
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-
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root_device_unregister(dev);
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}
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+EXPORT_SYMBOL_GPL(drm_kunit_helper_free_device);
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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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* @features: Mocked DRM device driver features
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*
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- * This function allocates a new struct &device, creates a struct
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- * &drm_driver and will create a struct &drm_device using both.
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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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- * The device and driver are tied to the @test context and will get
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- * cleaned at the end of the test. The drm_device is allocated through
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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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@@ -54,19 +69,14 @@ static void dev_free(struct kunit_resour
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* A pointer to the new drm_device, or an ERR_PTR() otherwise.
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*/
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struct drm_device *
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-drm_kunit_helper_alloc_drm_device(struct kunit *test,
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+drm_kunit_helper_alloc_drm_device(struct kunit *test, struct device *dev,
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u32 features)
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{
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struct kunit_dev *kdev;
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struct drm_device *drm;
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struct drm_driver *driver;
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- struct device *dev;
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int ret;
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- dev = kunit_alloc_resource(test, dev_init, dev_free, GFP_KERNEL, KUNIT_DEVICE_NAME);
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- if (!dev)
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- return ERR_PTR(-ENOMEM);
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-
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driver = kunit_kzalloc(test, sizeof(*driver), GFP_KERNEL);
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if (!driver)
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return ERR_PTR(-ENOMEM);
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--- a/include/drm/drm_kunit_helpers.h
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+++ b/include/drm/drm_kunit_helpers.h
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@@ -6,8 +6,11 @@
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struct drm_device;
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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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+
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struct drm_device *
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-drm_kunit_helper_alloc_drm_device(struct kunit *test,
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+drm_kunit_helper_alloc_drm_device(struct kunit *test, struct device *dev,
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u32 features);
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#endif // DRM_KUNIT_HELPERS_H_
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