Largely just the initial skeleton.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/selftests/Makefile | 2 +- .../gpu/drm/selftests/drm_exec_selftests.h | 10 +++ drivers/gpu/drm/selftests/test-drm_exec.c | 74 +++++++++++++++++++ 3 files changed, 85 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/selftests/drm_exec_selftests.h create mode 100644 drivers/gpu/drm/selftests/test-drm_exec.c
diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile index 5ba5f9138c95..0ab4b0f0642f 100644 --- a/drivers/gpu/drm/selftests/Makefile +++ b/drivers/gpu/drm/selftests/Makefile @@ -5,4 +5,4 @@ test-drm_modeset-y := test-drm_modeset_common.o test-drm_plane_helper.o \ test-drm_rect.o
obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.o test-drm_cmdline_parser.o \ - test-drm_buddy.o + test-drm_buddy.o test-drm_exec.o diff --git a/drivers/gpu/drm/selftests/drm_exec_selftests.h b/drivers/gpu/drm/selftests/drm_exec_selftests.h new file mode 100644 index 000000000000..d88ec9c85fe6 --- /dev/null +++ b/drivers/gpu/drm/selftests/drm_exec_selftests.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* List each unit test as selftest(name, function) + * + * The name is used as both an enum and expanded as igt__name to create + * a module parameter. It must be unique and legal for a C identifier. + * + * Tests are executed in order by igt/drm_exec + */ +selftest(sanitycheck, igt_sanitycheck) /* keep first (selfcheck for igt) */ +selftest(exec_lock1, igt_exec_lock1) diff --git a/drivers/gpu/drm/selftests/test-drm_exec.c b/drivers/gpu/drm/selftests/test-drm_exec.c new file mode 100644 index 000000000000..de2c3d986828 --- /dev/null +++ b/drivers/gpu/drm/selftests/test-drm_exec.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2019 Intel Corporation + */ + +#define pr_fmt(fmt) "drm_exec: " fmt + +#include <linux/module.h> +#include <linux/prime_numbers.h> + +#include <drm/drm_exec.h> +#include <drm/drm_device.h> +#include <drm/drm_gem.h> + +#include "../lib/drm_random.h" + +#define TESTS "drm_exec_selftests.h" +#include "drm_selftest.h" + +static struct drm_device dev; + +static int igt_sanitycheck(void *ignored) +{ + struct drm_exec exec; + + drm_exec_init(&exec, true); + drm_exec_fini(&exec); + pr_info("%s - ok!\n", __func__); + return 0; +} + +static int igt_exec_lock1(void *ignored) +{ + struct drm_gem_object gobj = { }; + struct drm_exec exec; + int ret; + + drm_gem_private_object_init(&dev, &gobj, PAGE_SIZE); + + drm_exec_init(&exec, true); + drm_exec_while_not_all_locked(&exec) { + ret = drm_exec_prepare_obj(&exec, &gobj, 1); + drm_exec_continue_on_contention(&exec); + if (ret) { + drm_exec_fini(&exec); + pr_err("%s - err %d!\n", __func__, ret); + return ret; + } + } + drm_exec_fini(&exec); + pr_info("%s - ok!\n", __func__); + return 0; +} + +#include "drm_selftest.c" + +static int __init test_drm_exec_init(void) +{ + int err; + + err = run_selftests(selftests, ARRAY_SIZE(selftests), NULL); + + return err > 0 ? 0 : err; +} + +static void __exit test_drm_exec_exit(void) +{ +} + +module_init(test_drm_exec_init); +module_exit(test_drm_exec_exit); + +MODULE_AUTHOR("AMD"); +MODULE_LICENSE("GPL and additional rights");