From: Maxime Ripard <maxime@cerno.tech>
To: Karol Herbst <kherbst@redhat.com>,
Jani Nikula <jani.nikula@linux.intel.com>,
Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
Daniel Vetter <daniel@ffwll.ch>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
David Airlie <airlied@linux.ie>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Lyude Paul <lyude@redhat.com>, Maxime Ripard <mripard@kernel.org>,
Emma Anholt <emma@anholt.net>, Chen-Yu Tsai <wens@csie.org>,
Samuel Holland <samuel@sholland.org>,
Ben Skeggs <bskeggs@redhat.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Dom Cobley <dom@raspberrypi.com>,
Maxime Ripard <maxime@cerno.tech>,
linux-sunxi@lists.linux.dev,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Noralf Trønnes <noralf@tronnes.org>,
intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
nouveau@lists.freedesktop.org,
Geert Uytterhoeven <geert@linux-m68k.org>,
linux-arm-kernel@lists.infradead.org,
Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>,
dri-devel@lists.freedesktop.org,
Hans de Goede <hdegoede@redhat.com>,
Phil Elwell <phil@raspberrypi.com>
Subject: [PATCH v5 01/22] drm/tests: Add Kunit Helpers
Date: Thu, 13 Oct 2022 15:18:45 +0200 [thread overview]
Message-ID: <20220728-rpi-analog-tv-properties-v5-1-d841cc64fe4b@cerno.tech> (raw)
In-Reply-To: <20220728-rpi-analog-tv-properties-v5-0-d841cc64fe4b@cerno.tech>
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.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
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 <drm/drm_drv.h>
+#include <drm/drm_managed.h>
+
+#include <kunit/resource.h>
+
+#include <linux/device.h>
+
+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-7da52
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next prev parent reply other threads:[~2022-10-13 13:21 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-13 13:18 [PATCH v5 00/22] drm: Analog TV Improvements Maxime Ripard
2022-10-13 13:18 ` Maxime Ripard [this message]
2022-10-15 15:06 ` [PATCH v5 01/22] drm/tests: Add Kunit Helpers Noralf Trønnes
2022-10-13 13:18 ` [PATCH v5 02/22] drm/connector: Rename legacy TV property Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 03/22] drm/connector: Only register TV mode property if present Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 04/22] drm/connector: Rename drm_mode_create_tv_properties Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 05/22] drm/connector: Add TV standard property Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 06/22] drm/modes: Add a function to generate analog display modes Maxime Ripard
2022-10-16 17:34 ` Mateusz Kwiatkowski
2022-10-18 8:08 ` Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 07/22] drm/client: Add some tests for drm_connector_pick_cmdline_mode() Maxime Ripard
2022-10-15 16:58 ` Noralf Trønnes
2022-10-20 7:55 ` Michał Winiarski
2022-10-13 13:18 ` [PATCH v5 08/22] drm/modes: Move named modes parsing to a separate function Maxime Ripard
2022-10-16 16:11 ` Noralf Trønnes
2022-10-18 7:57 ` Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 09/22] drm/modes: Switch to named mode descriptors Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 10/22] drm/modes: Fill drm_cmdline mode from named modes Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 11/22] drm/connector: Add pixel clock to cmdline mode Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 12/22] drm/connector: Add a function to lookup a TV mode by its name Maxime Ripard
2022-10-17 10:44 ` Noralf Trønnes
2022-10-18 9:33 ` Maxime Ripard
2022-10-18 12:29 ` Noralf Trønnes
2022-10-19 8:48 ` Maxime Ripard
2022-10-19 10:43 ` Noralf Trønnes
2022-10-20 11:29 ` maxime
2022-10-13 13:18 ` [PATCH v5 13/22] drm/modes: Introduce the tv_mode property as a command-line option Maxime Ripard
2022-10-16 17:51 ` Mateusz Kwiatkowski
2022-10-17 10:21 ` Noralf Trønnes
2022-10-13 13:18 ` [PATCH v5 14/22] drm/modes: Properly generate a drm_display_mode from a named mode Maxime Ripard
2022-10-13 13:18 ` [PATCH v5 15/22] drm/modes: Introduce more named modes Maxime Ripard
2022-10-13 13:19 ` [PATCH v5 16/22] drm/atomic-helper: Add a TV properties reset helper Maxime Ripard
2022-10-17 10:36 ` Noralf Trønnes
2022-10-13 13:19 ` [PATCH v5 17/22] drm/atomic-helper: Add an analog TV atomic_check implementation Maxime Ripard
2022-10-13 13:19 ` [PATCH v5 18/22] drm/vc4: vec: Use TV Reset implementation Maxime Ripard
2022-10-13 13:19 ` [PATCH v5 19/22] drm/vc4: vec: Check for VEC output constraints Maxime Ripard
2022-10-16 18:12 ` Mateusz Kwiatkowski
2022-10-16 18:16 ` Mateusz Kwiatkowski
2022-10-18 8:27 ` Maxime Ripard
2022-10-13 13:19 ` [PATCH v5 20/22] drm/vc4: vec: Convert to the new TV mode property Maxime Ripard
2022-10-16 18:52 ` Mateusz Kwiatkowski
2022-10-16 18:56 ` Mateusz Kwiatkowski
2022-10-17 10:31 ` Noralf Trønnes
2022-10-18 10:00 ` Maxime Ripard
[not found] ` <da2b4cb4-5d12-3161-64e3-e87a8cc63e81@gmail.com>
2022-10-20 11:58 ` maxime
2022-10-17 11:39 ` Noralf Trønnes
2022-10-13 13:19 ` [PATCH v5 21/22] drm/vc4: vec: Add support for more analog TV standards Maxime Ripard
2022-10-16 19:02 ` Mateusz Kwiatkowski
2022-10-16 19:46 ` [PATCH] drm/vc4: vec: Add support for PAL-60 Mateusz Kwiatkowski
2022-10-18 8:31 ` Maxime Ripard
2022-10-18 20:57 ` Mateusz Kwiatkowski
2022-10-20 15:34 ` maxime
2022-10-13 13:19 ` [PATCH v5 22/22] drm/sun4i: tv: Convert to the new TV mode property Maxime Ripard
2022-10-13 18:23 ` Jernej Škrabec
2022-10-14 7:38 ` Maxime Ripard
2022-10-15 8:59 ` Jernej Škrabec
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