From patchwork Wed Oct 26 15:33:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 13020787 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 18915C433FE for ; Wed, 26 Oct 2022 15:34:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9E32010E397; Wed, 26 Oct 2022 15:33:41 +0000 (UTC) Received: from new4-smtp.messagingengine.com (new4-smtp.messagingengine.com [66.111.4.230]) by gabe.freedesktop.org (Postfix) with ESMTPS id E1E1910E394; Wed, 26 Oct 2022 15:33:34 +0000 (UTC) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailnew.nyi.internal (Postfix) with ESMTP id 056CC58034E; Wed, 26 Oct 2022 11:33:34 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Wed, 26 Oct 2022 11:33:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h=cc :cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm3; t=1666798414; x= 1666805614; bh=9fMmJts50TrKmeSyL6MmOr+641XQIFNbDPbsLEF5P98=; b=v vEY5c04lZa3zcHZ8cQHjO77f/Eo93EreQzEx53lfy11k/wM64RASEto88KZAXNH6 yItGK/Q/617/r/grEeVA3Sqq1OtpaWFqlE/tiFPoeGlM24kC45S+9soMzuYq/CyE qKIJVI5PPl5rGHrZFlUsPx/+TiUuQ2w0nisHXIlCvJal7BIaRZRXXX2d2vomjcTX RCeQRgHFelp2UTqRC2M5pH0MZtAmoc0s5KTrVhJpISlj14Axl1bP4sZkqGJosJse LhmJlqv+woRK6/eb4aFVOcuegNKq2MkovF+q9C2DxZlkjwSRKhv0WmQSevJjTGXy IASBGBjsKHbeP3Sg7Bc8w== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1666798414; x= 1666805614; bh=9fMmJts50TrKmeSyL6MmOr+641XQIFNbDPbsLEF5P98=; b=U 0Bt7Zp3awS6UBLSVZZjTDFtEjLi22J/78YeQtoMRdM9PXwa1RhpXYyWXLhTsWM/c qvpbXYP3AgPKo20REHJYT+RC4uaMffsRBpCHW8wm0Wj0yiNs1bfYrdWQmoNTJuUe qGxPXueBOLQZudUKUmZxX7NEBztzU72ZxrJE8z6xNTH6dzREQOz9HVtLfpcNB20Q b3N1bWBq5zv/JdDgNos0169yv+6GlCxDTgjLWQ0zhl1SdgNy7eaepuCfQw0V5S5P 4ou/YUnW6xo1MwvhJOQuCqgRCPClA94Y5pcIIi3eVO6PFnqBLefUUAxIzq1UiH4w cdYp+YPNWPIEBqewLYDDA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvgedrtddvgdeltdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhfffuggfgtgfkfhgjvfevofesthekredtredtjeenucfhrhhomhepmhgrgihi mhgvsegtvghrnhhordhtvggthhenucggtffrrghtthgvrhhnpeeltdekveelgfelveelfe duheelvdegudffgefhudehgeevjefhhefhhefgvdeuvdenucevlhhushhtvghrufhiiigv pedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehmrgigihhmvgestggvrhhnohdrthgvtg hh X-ME-Proxy: Feedback-ID: i8771445c:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 26 Oct 2022 11:33:32 -0400 (EDT) From: maxime@cerno.tech Date: Wed, 26 Oct 2022 17:33:20 +0200 Subject: [PATCH v6 01/23] drm/tests: Add Kunit Helpers MIME-Version: 1.0 Message-Id: <20220728-rpi-analog-tv-properties-v6-1-e7792734108f@cerno.tech> References: <20220728-rpi-analog-tv-properties-v6-0-e7792734108f@cerno.tech> In-Reply-To: <20220728-rpi-analog-tv-properties-v6-0-e7792734108f@cerno.tech> To: Karol Herbst , Emma Anholt , Ben Skeggs , Chen-Yu Tsai , Rodrigo Vivi , Maarten Lankhorst , Jani Nikula , Daniel Vetter , Thomas Zimmermann , Tvrtko Ursulin , Samuel Holland , Jernej Skrabec , David Airlie , Maxime Ripard , Joonas Lahtinen , Lyude Paul X-Mailer: b4 0.11.0-dev-99e3a X-Developer-Signature: v=1; a=openpgp-sha256; l=3135; i=maxime@cerno.tech; h=from:subject:message-id; bh=A61ucaADofpp/OwOHHVyZjjVUv6WHP8eBe7GXebATyo=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDMmRwW47Nt+0NF0nbnCCwX3rniVbdS4rHfz/YsLTYAbD+O/C XyPudpSyMIhxMciKKbLECJsviTs163UnG988mDmsTCBDGLg4BWAil7wYGWbOimPOPbsy7SSnpgdbcZ V8rnnHzuJW+w2yHocjzj/8yc7wv1zk08ei92HuD6o/CxQGqYWpX41yDIt5EcFxmfVw/rUmXgA= X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?unknown-8bit?q?Dom_Cobley_=3Cdom=40raspberrypi=2Ecom=3E=2C_Dave_Steven?= =?unknown-8bit?q?son_=3Cdave=2Estevenson=40raspberrypi=2Ecom=3E=2C_nouveau?= =?unknown-8bit?q?=40lists=2Efreedesktop=2Eorg=2C_intel-gfx=40lists=2Efreede?= =?unknown-8bit?q?sktop=2Eorg=2C_linux-kernel=40vger=2Ekernel=2Eorg=2C_dri-d?= =?unknown-8bit?q?evel=40lists=2Efreedesktop=2Eorg=2C_linux-sunxi=40lists=2E?= =?unknown-8bit?q?linux=2Edev=2C_Hans_de_Goede_=3Chdegoede=40redhat=2Ecom=3E?= =?unknown-8bit?q?=2C_Noralf_Tr=C3=B8nnes_=3Cnoralf=40tronnes=2Eorg=3E=2C_Ge?= =?unknown-8bit?q?ert_Uytterhoeven_=3Cgeert=40linux-m68k=2Eorg=3E=2C_Maxime_?= =?unknown-8bit?q?Ripard_=3Cmaxime=40cerno=2Etech=3E=2C_Mateusz_Kwiatkowski_?= =?unknown-8bit?q?=3Ckfyatek+publicgit=40gmail=2Ecom=3E=2C_Phil_Elwell_=3Cph?= =?unknown-8bit?q?il=40raspberrypi=2Ecom=3E=2C_linux-arm-kernel=40lists=2Ein?= =?unknown-8bit?q?fradead=2Eorg?= Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" As the number of kunit tests in KMS grows further, we start to have multiple test suites that, for example, need to register a mock DRM driver to interact with the KMS function they are supposed to test. Let's add a file meant to provide those kind of helpers to avoid duplication. Reviewed-by: Noralf Trønnes Signed-off-by: Maxime Ripard --- Changes in v4: - Simplified the DRM device cleanup patch using devm_drm_dev_alloc() --- drivers/gpu/drm/tests/Makefile | 1 + drivers/gpu/drm/tests/drm_kunit_helpers.c | 61 +++++++++++++++++++++++++++++++ drivers/gpu/drm/tests/drm_kunit_helpers.h | 9 +++++ 3 files changed, 71 insertions(+) diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile index 2d9f49b62ecb..b29ef1085cad 100644 --- a/drivers/gpu/drm/tests/Makefile +++ b/drivers/gpu/drm/tests/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_DRM_KUNIT_TEST) += \ drm_format_helper_test.o \ drm_format_test.o \ drm_framebuffer_test.o \ + drm_kunit_helpers.o \ drm_mm_test.o \ drm_plane_helper_test.o \ drm_rect_test.o diff --git a/drivers/gpu/drm/tests/drm_kunit_helpers.c b/drivers/gpu/drm/tests/drm_kunit_helpers.c new file mode 100644 index 000000000000..3524d6a1fa9a --- /dev/null +++ b/drivers/gpu/drm/tests/drm_kunit_helpers.c @@ -0,0 +1,61 @@ +#include +#include + +#include + +#include + +struct kunit_dev { + struct drm_device base; +}; + +static const struct drm_mode_config_funcs drm_mode_config_funcs = { +}; + +static const struct drm_driver drm_mode_driver = { +}; + +static int dev_init(struct kunit_resource *res, void *ptr) +{ + char *name = ptr; + struct device *dev; + + dev = root_device_register(name); + if (IS_ERR(dev)) + return PTR_ERR(dev); + + res->data = dev; + return 0; +} + +static void dev_free(struct kunit_resource *res) +{ + struct device *dev = res->data; + + root_device_unregister(dev); +} + +struct drm_device *drm_kunit_device_init(struct kunit *test, char *name) +{ + struct kunit_dev *kdev; + struct drm_device *drm; + struct device *dev; + int ret; + + dev = kunit_alloc_resource(test, dev_init, dev_free, GFP_KERNEL, name); + if (!dev) + return ERR_PTR(-ENOMEM); + + kdev = devm_drm_dev_alloc(dev, &drm_mode_driver, struct kunit_dev, base); + if (IS_ERR(kdev)) + return ERR_CAST(kdev); + + drm = &kdev->base; + drm->mode_config.funcs = &drm_mode_config_funcs; + + ret = drmm_mode_config_init(drm); + if (ret) + return ERR_PTR(ret); + + return drm; +} diff --git a/drivers/gpu/drm/tests/drm_kunit_helpers.h b/drivers/gpu/drm/tests/drm_kunit_helpers.h new file mode 100644 index 000000000000..a9354f9bda4e --- /dev/null +++ b/drivers/gpu/drm/tests/drm_kunit_helpers.h @@ -0,0 +1,9 @@ +#ifndef DRM_KUNIT_HELPERS_H_ +#define DRM_KUNIT_HELPERS_H_ + +struct drm_device; +struct kunit; + +struct drm_device *drm_kunit_device_init(struct kunit *test, char *name); + +#endif // DRM_KUNIT_HELPERS_H_