From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wnew2-smtp.messagingengine.com (wnew2-smtp.messagingengine.com [64.147.123.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA7E8BA55 for ; Mon, 7 Nov 2022 14:16:44 +0000 (UTC) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailnew.west.internal (Postfix) with ESMTP id 743972B06318; Mon, 7 Nov 2022 09:16:42 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Mon, 07 Nov 2022 09:16:44 -0500 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=fm2; t=1667830602; x= 1667837802; bh=9fMmJts50TrKmeSyL6MmOr+641XQIFNbDPbsLEF5P98=; b=V 8y7+KnsC7gJx0Jz9HsjIH+VRiGH4H2fBocBfxpa8TNHo0OUY/OAu4NmUiwxUS3oG cNExAingD7OUVbX0y/2DWrhgBDfS6f5LBKSutV4TJDdlmyLYf39MGniX8gsMlmbd lCKVvquTyl3plE8bJDkEu838YXdeKD0Yya2IXgu7srjBAYK4q7AKqaJ1EKA07Cp4 sd2Z/VCh5IA3QuUouw42wAqIwQopdj9GmvJdHUx+5lBNY76/5/tjtrlpQEQwbTOL OC8Rkf9BdYQzMFHjL9hJWvvVf9ec+9xPfOSdiYh/dvOYJwKwwHz4uQPKTi21+Nm9 2dXIWrG6Ks6z7rhn12V3g== 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=fm1; t=1667830602; x= 1667837802; bh=9fMmJts50TrKmeSyL6MmOr+641XQIFNbDPbsLEF5P98=; b=O n55YLkJDHKpLSEzR/yqfWy3zsV/oqfOwD6xdk2tLC4chXaa4LJQv36uIpMcgRMLS WSnRby4xQgjM7L6UQVvRmxnQUSdIsrMRue/YhjYl/OM0lFhvxU8JkGgCGSOPW/5Y ureTwDpbVgMDWvi8/FnaJMng3coMZPv/m6kMvxl0dMS3ObpIXSxExX0pSB5vxQxS uziLKHuw28vTzN9OXDhMCODNAf5IMeaZWLlrhD1X7kpwdMPnmi6nMoF091I1skTU JLoxBU7kmiCy1v6RQxdjmpMber7tgmXbL5ctnoCZ4iXeX+3vUx9aUxfsSyPYd9/9 x+7WMrYUh3EU8wb824ipA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvgedrvdekgdeiudcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhfffuggfgtgfkfhgjvfevofesthekredtredtjeenucfhrhhomhepofgrgihi mhgvucftihhprghrugcuoehmrgigihhmvgestggvrhhnohdrthgvtghhqeenucggtffrrg htthgvrhhnpedvgfevjefhtdetveevhfelieeuueetgfdvgeevkeegudejffegfffgtedt leelhfenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpe hmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Feedback-ID: i8771445c:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 7 Nov 2022 09:16:40 -0500 (EST) From: Maxime Ripard Date: Mon, 07 Nov 2022 15:16:27 +0100 Subject: [PATCH v7 01/23] drm/tests: Add Kunit Helpers Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" Message-Id: <20220728-rpi-analog-tv-properties-v7-1-7072a478c6b3@cerno.tech> References: <20220728-rpi-analog-tv-properties-v7-0-7072a478c6b3@cerno.tech> In-Reply-To: <20220728-rpi-analog-tv-properties-v7-0-7072a478c6b3@cerno.tech> To: Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , Ben Skeggs , Rodrigo Vivi , Maxime Ripard , Samuel Holland , Jernej Skrabec , Maarten Lankhorst , Emma Anholt , Karol Herbst , Daniel Vetter , Chen-Yu Tsai , Lyude Paul , Thomas Zimmermann , David Airlie Cc: Phil Elwell , Maxime Ripard , Hans de Goede , linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Geert Uytterhoeven , Dave Stevenson , linux-arm-kernel@lists.infradead.org, Dom Cobley , Mateusz Kwiatkowski , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org, Noralf Trønnes 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+D1vfrpE4FHG02pJDMmZwvatnl/3KzDz8W+qOF7OPkX5ePjjLae2JAUxibz7pDLL IZ+5o5SFQYyLQVZMkSVG2HxJ3KlZrzvZ+ObBzGFlAhnCwMUpABO57MnI8GTWs6Q7nE94V3z8s9XCWS HP/1gh++PwM7MXnta3nnArMZGRoU07uif3r+GsEjlfrU6ZTRMbQjyPVnpMT+f8tezbbsZuRgA= X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D 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_ -- b4 0.11.0-dev-99e3a From mboxrd@z Thu Jan 1 00:00:00 1970 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 591BEC4167D for ; Mon, 7 Nov 2022 14:16:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 37FFD10E31F; 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Mon, 7 Nov 2022 09:16:40 -0500 (EST) From: Maxime Ripard Date: Mon, 07 Nov 2022 15:16:27 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" Message-Id: <20220728-rpi-analog-tv-properties-v7-1-7072a478c6b3@cerno.tech> References: <20220728-rpi-analog-tv-properties-v7-0-7072a478c6b3@cerno.tech> In-Reply-To: <20220728-rpi-analog-tv-properties-v7-0-7072a478c6b3@cerno.tech> To: Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , Ben Skeggs , Rodrigo Vivi , Maxime Ripard , Samuel Holland , Jernej Skrabec , Maarten Lankhorst , Emma Anholt , Karol Herbst , Daniel Vetter , Chen-Yu Tsai , Lyude Paul , Thomas Zimmermann , David Airlie 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+D1vfrpE4FHG02pJDMmZwvatnl/3KzDz8W+qOF7OPkX5ePjjLae2JAUxibz7pDLL IZ+5o5SFQYyLQVZMkSVG2HxJ3KlZrzvZ+ObBzGFlAhnCwMUpABO57MnI8GTWs6Q7nE94V3z8s9XCWS HP/1gh++PwM7MXnta3nnArMZGRoU07uif3r+GsEjlfrU6ZTRMbQjyPVnpMT+f8tezbbsZuRgA= X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Subject: [Nouveau] [PATCH v7 01/23] drm/tests: Add Kunit Helpers X-BeenThere: nouveau@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Nouveau development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dom Cobley , nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Phil Elwell , Hans de Goede , Noralf Trønnes , Geert Uytterhoeven , Maxime Ripard , Mateusz Kwiatkowski , linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: nouveau-bounces@lists.freedesktop.org Sender: "Nouveau" 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_ -- b4 0.11.0-dev-99e3a From mboxrd@z Thu Jan 1 00:00:00 1970 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 BFA21C43217 for ; Mon, 7 Nov 2022 14:17:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B1C7510E322; 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Mon, 7 Nov 2022 09:16:40 -0500 (EST) From: Maxime Ripard Date: Mon, 07 Nov 2022 15:16:27 +0100 Subject: [PATCH v7 01/23] drm/tests: Add Kunit Helpers MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" Message-Id: <20220728-rpi-analog-tv-properties-v7-1-7072a478c6b3@cerno.tech> References: <20220728-rpi-analog-tv-properties-v7-0-7072a478c6b3@cerno.tech> In-Reply-To: <20220728-rpi-analog-tv-properties-v7-0-7072a478c6b3@cerno.tech> To: Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , Ben Skeggs , Rodrigo Vivi , Maxime Ripard , Samuel Holland , Jernej Skrabec , Maarten Lankhorst , Emma Anholt , Karol Herbst , Daniel Vetter , Chen-Yu Tsai , Lyude Paul , Thomas Zimmermann , David Airlie 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+D1vfrpE4FHG02pJDMmZwvatnl/3KzDz8W+qOF7OPkX5ePjjLae2JAUxibz7pDLL IZ+5o5SFQYyLQVZMkSVG2HxJ3KlZrzvZ+ObBzGFlAhnCwMUpABO57MnI8GTWs6Q7nE94V3z8s9XCWS HP/1gh++PwM7MXnta3nnArMZGRoU07uif3r+GsEjlfrU6ZTRMbQjyPVnpMT+f8tezbbsZuRgA= 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: Dom Cobley , Dave Stevenson , nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Phil Elwell , Hans de Goede , Noralf Trønnes , Geert Uytterhoeven , Maxime Ripard , Mateusz Kwiatkowski , linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org 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_ -- b4 0.11.0-dev-99e3a From mboxrd@z Thu Jan 1 00:00:00 1970 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 A81D7C433FE for ; Mon, 7 Nov 2022 14:16:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3344610E320; 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Mon, 7 Nov 2022 09:16:40 -0500 (EST) From: Maxime Ripard Date: Mon, 07 Nov 2022 15:16:27 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" Message-Id: <20220728-rpi-analog-tv-properties-v7-1-7072a478c6b3@cerno.tech> References: <20220728-rpi-analog-tv-properties-v7-0-7072a478c6b3@cerno.tech> In-Reply-To: <20220728-rpi-analog-tv-properties-v7-0-7072a478c6b3@cerno.tech> To: Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , Ben Skeggs , Rodrigo Vivi , Maxime Ripard , Samuel Holland , Jernej Skrabec , Maarten Lankhorst , Emma Anholt , Karol Herbst , Daniel Vetter , Chen-Yu Tsai , Lyude Paul , Thomas Zimmermann , David Airlie 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+D1vfrpE4FHG02pJDMmZwvatnl/3KzDz8W+qOF7OPkX5ePjjLae2JAUxibz7pDLL IZ+5o5SFQYyLQVZMkSVG2HxJ3KlZrzvZ+ObBzGFlAhnCwMUpABO57MnI8GTWs6Q7nE94V3z8s9XCWS HP/1gh++PwM7MXnta3nnArMZGRoU07uif3r+GsEjlfrU6ZTRMbQjyPVnpMT+f8tezbbsZuRgA= X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Subject: [Intel-gfx] [PATCH v7 01/23] drm/tests: Add Kunit Helpers X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dom Cobley , Dave Stevenson , nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Phil Elwell , Hans de Goede , Noralf Trønnes , Geert Uytterhoeven , Maxime Ripard , Mateusz Kwiatkowski , linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" 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_ -- b4 0.11.0-dev-99e3a From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 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