drm/ttm/tests: Add tests for ttm_bo functions
Test reservation and release of TTM buffer objects. Add tests to check pin and unpin operations. Signed-off-by: Karolina Stolarek <karolina.stolarek@intel.com> Tested-by: Amaranath Somalapuram <Amaranath.Somalapuram@amd.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/fcd53970f55ae4be8c738e03f9fcf45366d20b47.1701257386.git.karolina.stolarek@intel.com Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Karolina Stolarek
Christian König
parent
e6f7c641fa
commit
995279d280
3 changed files with 629 additions and 0 deletions
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@ -5,4 +5,5 @@ obj-$(CONFIG_DRM_TTM_KUNIT_TEST) += \
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ttm_pool_test.o \
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ttm_resource_test.o \
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ttm_tt_test.o \
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ttm_bo_test.o \
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ttm_kunit_helpers.o
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622
drivers/gpu/drm/ttm/tests/ttm_bo_test.c
Normal file
622
drivers/gpu/drm/ttm/tests/ttm_bo_test.c
Normal file
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@ -0,0 +1,622 @@
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// SPDX-License-Identifier: GPL-2.0 AND MIT
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/*
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* Copyright © 2023 Intel Corporation
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*/
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#include <linux/dma-resv.h>
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#include <linux/kthread.h>
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#include <linux/delay.h>
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#include <linux/timer.h>
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#include <linux/jiffies.h>
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#include <linux/mutex.h>
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#include <linux/ww_mutex.h>
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#include <drm/ttm/ttm_resource.h>
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#include <drm/ttm/ttm_placement.h>
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#include <drm/ttm/ttm_tt.h>
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#include "ttm_kunit_helpers.h"
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#define BO_SIZE SZ_8K
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struct ttm_bo_test_case {
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const char *description;
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bool interruptible;
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bool no_wait;
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};
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static const struct ttm_bo_test_case ttm_bo_reserved_cases[] = {
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{
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.description = "Cannot be interrupted and sleeps",
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.interruptible = false,
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.no_wait = false,
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},
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{
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.description = "Cannot be interrupted, locks straight away",
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.interruptible = false,
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.no_wait = true,
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},
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{
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.description = "Can be interrupted, sleeps",
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.interruptible = true,
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.no_wait = false,
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},
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};
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static void ttm_bo_init_case_desc(const struct ttm_bo_test_case *t,
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char *desc)
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{
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strscpy(desc, t->description, KUNIT_PARAM_DESC_SIZE);
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}
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KUNIT_ARRAY_PARAM(ttm_bo_reserve, ttm_bo_reserved_cases, ttm_bo_init_case_desc);
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static void ttm_bo_reserve_optimistic_no_ticket(struct kunit *test)
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{
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const struct ttm_bo_test_case *params = test->param_value;
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struct ttm_buffer_object *bo;
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int err;
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bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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err = ttm_bo_reserve(bo, params->interruptible, params->no_wait, NULL);
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KUNIT_ASSERT_EQ(test, err, 0);
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dma_resv_unlock(bo->base.resv);
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}
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static void ttm_bo_reserve_locked_no_sleep(struct kunit *test)
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{
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struct ttm_buffer_object *bo;
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bool interruptible = false;
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bool no_wait = true;
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int err;
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bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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/* Let's lock it beforehand */
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dma_resv_lock(bo->base.resv, NULL);
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err = ttm_bo_reserve(bo, interruptible, no_wait, NULL);
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dma_resv_unlock(bo->base.resv);
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KUNIT_ASSERT_EQ(test, err, -EBUSY);
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}
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static void ttm_bo_reserve_no_wait_ticket(struct kunit *test)
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{
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struct ttm_buffer_object *bo;
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struct ww_acquire_ctx ctx;
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bool interruptible = false;
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bool no_wait = true;
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int err;
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ww_acquire_init(&ctx, &reservation_ww_class);
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bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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err = ttm_bo_reserve(bo, interruptible, no_wait, &ctx);
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KUNIT_ASSERT_EQ(test, err, -EBUSY);
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ww_acquire_fini(&ctx);
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}
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static void ttm_bo_reserve_double_resv(struct kunit *test)
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{
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struct ttm_buffer_object *bo;
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struct ww_acquire_ctx ctx;
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bool interruptible = false;
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bool no_wait = false;
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int err;
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ww_acquire_init(&ctx, &reservation_ww_class);
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bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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err = ttm_bo_reserve(bo, interruptible, no_wait, &ctx);
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KUNIT_ASSERT_EQ(test, err, 0);
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err = ttm_bo_reserve(bo, interruptible, no_wait, &ctx);
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dma_resv_unlock(bo->base.resv);
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ww_acquire_fini(&ctx);
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KUNIT_ASSERT_EQ(test, err, -EALREADY);
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}
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/*
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* A test case heavily inspired by ww_test_edeadlk_normal(). It injects
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* a deadlock by manipulating the sequence number of the context that holds
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* dma_resv lock of bo2 so the other context is "wounded" and has to back off
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* (indicated by -EDEADLK). The subtest checks if ttm_bo_reserve() properly
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* propagates that error.
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*/
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static void ttm_bo_reserve_deadlock(struct kunit *test)
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{
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struct ttm_buffer_object *bo1, *bo2;
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struct ww_acquire_ctx ctx1, ctx2;
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bool interruptible = false;
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bool no_wait = false;
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int err;
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bo1 = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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bo2 = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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ww_acquire_init(&ctx1, &reservation_ww_class);
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mutex_lock(&bo2->base.resv->lock.base);
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/* The deadlock will be caught by WW mutex, don't warn about it */
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lock_release(&bo2->base.resv->lock.base.dep_map, 1);
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bo2->base.resv->lock.ctx = &ctx2;
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ctx2 = ctx1;
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ctx2.stamp--; /* Make the context holding the lock younger */
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err = ttm_bo_reserve(bo1, interruptible, no_wait, &ctx1);
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KUNIT_ASSERT_EQ(test, err, 0);
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err = ttm_bo_reserve(bo2, interruptible, no_wait, &ctx1);
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KUNIT_ASSERT_EQ(test, err, -EDEADLK);
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dma_resv_unlock(bo1->base.resv);
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ww_acquire_fini(&ctx1);
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}
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#if IS_BUILTIN(CONFIG_DRM_TTM_KUNIT_TEST)
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struct signal_timer {
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struct timer_list timer;
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struct ww_acquire_ctx *ctx;
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};
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static void signal_for_ttm_bo_reserve(struct timer_list *t)
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{
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struct signal_timer *s_timer = from_timer(s_timer, t, timer);
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struct task_struct *task = s_timer->ctx->task;
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do_send_sig_info(SIGTERM, SEND_SIG_PRIV, task, PIDTYPE_PID);
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}
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static int threaded_ttm_bo_reserve(void *arg)
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{
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struct ttm_buffer_object *bo = arg;
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struct signal_timer s_timer;
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struct ww_acquire_ctx ctx;
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bool interruptible = true;
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bool no_wait = false;
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int err;
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ww_acquire_init(&ctx, &reservation_ww_class);
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/* Prepare a signal that will interrupt the reservation attempt */
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timer_setup_on_stack(&s_timer.timer, &signal_for_ttm_bo_reserve, 0);
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s_timer.ctx = &ctx;
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mod_timer(&s_timer.timer, msecs_to_jiffies(100));
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err = ttm_bo_reserve(bo, interruptible, no_wait, &ctx);
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timer_delete_sync(&s_timer.timer);
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destroy_timer_on_stack(&s_timer.timer);
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ww_acquire_fini(&ctx);
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return err;
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}
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static void ttm_bo_reserve_interrupted(struct kunit *test)
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{
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struct ttm_buffer_object *bo;
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struct task_struct *task;
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int err;
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bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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task = kthread_create(threaded_ttm_bo_reserve, bo, "ttm-bo-reserve");
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if (IS_ERR(task))
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KUNIT_FAIL(test, "Couldn't create ttm bo reserve task\n");
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/* Take a lock so the threaded reserve has to wait */
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mutex_lock(&bo->base.resv->lock.base);
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wake_up_process(task);
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msleep(20);
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err = kthread_stop(task);
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mutex_unlock(&bo->base.resv->lock.base);
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KUNIT_ASSERT_EQ(test, err, -ERESTARTSYS);
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}
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#endif /* IS_BUILTIN(CONFIG_DRM_TTM_KUNIT_TEST) */
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static void ttm_bo_unreserve_basic(struct kunit *test)
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{
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struct ttm_test_devices *priv = test->priv;
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struct ttm_buffer_object *bo;
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struct ttm_device *ttm_dev;
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struct ttm_resource *res1, *res2;
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struct ttm_place *place;
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struct ttm_resource_manager *man;
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unsigned int bo_prio = TTM_MAX_BO_PRIORITY - 1;
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uint32_t mem_type = TTM_PL_SYSTEM;
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int err;
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place = ttm_place_kunit_init(test, mem_type, 0);
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ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
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err = ttm_device_kunit_init(priv, ttm_dev, false, false);
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KUNIT_ASSERT_EQ(test, err, 0);
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priv->ttm_dev = ttm_dev;
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bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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bo->priority = bo_prio;
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err = ttm_resource_alloc(bo, place, &res1);
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KUNIT_ASSERT_EQ(test, err, 0);
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bo->resource = res1;
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/* Add a dummy resource to populate LRU */
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ttm_resource_alloc(bo, place, &res2);
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dma_resv_lock(bo->base.resv, NULL);
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ttm_bo_unreserve(bo);
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man = ttm_manager_type(priv->ttm_dev, mem_type);
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KUNIT_ASSERT_EQ(test,
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list_is_last(&res1->lru, &man->lru[bo->priority]), 1);
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ttm_resource_free(bo, &res2);
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ttm_resource_free(bo, &res1);
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}
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static void ttm_bo_unreserve_pinned(struct kunit *test)
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{
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struct ttm_test_devices *priv = test->priv;
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struct ttm_buffer_object *bo;
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struct ttm_device *ttm_dev;
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struct ttm_resource *res1, *res2;
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struct ttm_place *place;
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uint32_t mem_type = TTM_PL_SYSTEM;
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int err;
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ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
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err = ttm_device_kunit_init(priv, ttm_dev, false, false);
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KUNIT_ASSERT_EQ(test, err, 0);
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priv->ttm_dev = ttm_dev;
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bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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place = ttm_place_kunit_init(test, mem_type, 0);
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dma_resv_lock(bo->base.resv, NULL);
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ttm_bo_pin(bo);
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err = ttm_resource_alloc(bo, place, &res1);
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KUNIT_ASSERT_EQ(test, err, 0);
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bo->resource = res1;
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/* Add a dummy resource to the pinned list */
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err = ttm_resource_alloc(bo, place, &res2);
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KUNIT_ASSERT_EQ(test, err, 0);
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KUNIT_ASSERT_EQ(test,
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list_is_last(&res2->lru, &priv->ttm_dev->pinned), 1);
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ttm_bo_unreserve(bo);
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KUNIT_ASSERT_EQ(test,
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list_is_last(&res1->lru, &priv->ttm_dev->pinned), 1);
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ttm_resource_free(bo, &res1);
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ttm_resource_free(bo, &res2);
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}
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static void ttm_bo_unreserve_bulk(struct kunit *test)
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{
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struct ttm_test_devices *priv = test->priv;
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struct ttm_lru_bulk_move lru_bulk_move;
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struct ttm_lru_bulk_move_pos *pos;
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struct ttm_buffer_object *bo1, *bo2;
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struct ttm_resource *res1, *res2;
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struct ttm_device *ttm_dev;
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struct ttm_place *place;
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uint32_t mem_type = TTM_PL_SYSTEM;
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unsigned int bo_priority = 0;
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int err;
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ttm_lru_bulk_move_init(&lru_bulk_move);
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place = ttm_place_kunit_init(test, mem_type, 0);
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ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
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err = ttm_device_kunit_init(priv, ttm_dev, false, false);
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KUNIT_ASSERT_EQ(test, err, 0);
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priv->ttm_dev = ttm_dev;
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bo1 = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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bo2 = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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dma_resv_lock(bo1->base.resv, NULL);
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ttm_bo_set_bulk_move(bo1, &lru_bulk_move);
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dma_resv_unlock(bo1->base.resv);
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err = ttm_resource_alloc(bo1, place, &res1);
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KUNIT_ASSERT_EQ(test, err, 0);
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bo1->resource = res1;
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dma_resv_lock(bo2->base.resv, NULL);
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ttm_bo_set_bulk_move(bo2, &lru_bulk_move);
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dma_resv_unlock(bo2->base.resv);
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err = ttm_resource_alloc(bo2, place, &res2);
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KUNIT_ASSERT_EQ(test, err, 0);
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bo2->resource = res2;
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ttm_bo_reserve(bo1, false, false, NULL);
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ttm_bo_unreserve(bo1);
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pos = &lru_bulk_move.pos[mem_type][bo_priority];
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KUNIT_ASSERT_PTR_EQ(test, res1, pos->last);
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ttm_resource_free(bo1, &res1);
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ttm_resource_free(bo2, &res2);
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}
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static void ttm_bo_put_basic(struct kunit *test)
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{
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struct ttm_test_devices *priv = test->priv;
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struct ttm_buffer_object *bo;
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struct ttm_resource *res;
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struct ttm_device *ttm_dev;
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struct ttm_place *place;
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uint32_t mem_type = TTM_PL_SYSTEM;
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int err;
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place = ttm_place_kunit_init(test, mem_type, 0);
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ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
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err = ttm_device_kunit_init(priv, ttm_dev, false, false);
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KUNIT_ASSERT_EQ(test, err, 0);
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priv->ttm_dev = ttm_dev;
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bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
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bo->type = ttm_bo_type_device;
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err = ttm_resource_alloc(bo, place, &res);
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KUNIT_ASSERT_EQ(test, err, 0);
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bo->resource = res;
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dma_resv_lock(bo->base.resv, NULL);
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err = ttm_tt_create(bo, false);
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dma_resv_unlock(bo->base.resv);
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KUNIT_EXPECT_EQ(test, err, 0);
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ttm_bo_put(bo);
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}
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static const char *mock_name(struct dma_fence *f)
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{
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return "kunit-ttm-bo-put";
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}
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static const struct dma_fence_ops mock_fence_ops = {
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.get_driver_name = mock_name,
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.get_timeline_name = mock_name,
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};
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static void ttm_bo_put_shared_resv(struct kunit *test)
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{
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struct ttm_test_devices *priv = test->priv;
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struct ttm_buffer_object *bo;
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struct dma_resv *external_resv;
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struct dma_fence *fence;
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/* A dummy DMA fence lock */
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spinlock_t fence_lock;
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struct ttm_device *ttm_dev;
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int err;
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ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
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err = ttm_device_kunit_init(priv, ttm_dev, false, false);
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KUNIT_ASSERT_EQ(test, err, 0);
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priv->ttm_dev = ttm_dev;
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||||
|
||||
external_resv = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
|
||||
KUNIT_ASSERT_NOT_NULL(test, external_resv);
|
||||
|
||||
dma_resv_init(external_resv);
|
||||
|
||||
fence = kunit_kzalloc(test, sizeof(*fence), GFP_KERNEL);
|
||||
KUNIT_ASSERT_NOT_NULL(test, fence);
|
||||
|
||||
spin_lock_init(&fence_lock);
|
||||
dma_fence_init(fence, &mock_fence_ops, &fence_lock, 0, 0);
|
||||
|
||||
dma_resv_lock(external_resv, NULL);
|
||||
dma_resv_reserve_fences(external_resv, 1);
|
||||
dma_resv_add_fence(external_resv, fence, DMA_RESV_USAGE_BOOKKEEP);
|
||||
dma_resv_unlock(external_resv);
|
||||
|
||||
dma_fence_signal(fence);
|
||||
|
||||
bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
|
||||
bo->type = ttm_bo_type_device;
|
||||
bo->base.resv = external_resv;
|
||||
|
||||
ttm_bo_put(bo);
|
||||
}
|
||||
|
||||
static void ttm_bo_pin_basic(struct kunit *test)
|
||||
{
|
||||
struct ttm_test_devices *priv = test->priv;
|
||||
struct ttm_buffer_object *bo;
|
||||
struct ttm_device *ttm_dev;
|
||||
unsigned int no_pins = 3;
|
||||
int err;
|
||||
|
||||
ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
|
||||
KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
|
||||
|
||||
err = ttm_device_kunit_init(priv, ttm_dev, false, false);
|
||||
KUNIT_ASSERT_EQ(test, err, 0);
|
||||
priv->ttm_dev = ttm_dev;
|
||||
|
||||
bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
|
||||
|
||||
for (int i = 0; i < no_pins; i++) {
|
||||
dma_resv_lock(bo->base.resv, NULL);
|
||||
ttm_bo_pin(bo);
|
||||
dma_resv_unlock(bo->base.resv);
|
||||
}
|
||||
|
||||
KUNIT_ASSERT_EQ(test, bo->pin_count, no_pins);
|
||||
}
|
||||
|
||||
static void ttm_bo_pin_unpin_resource(struct kunit *test)
|
||||
{
|
||||
struct ttm_test_devices *priv = test->priv;
|
||||
struct ttm_lru_bulk_move lru_bulk_move;
|
||||
struct ttm_lru_bulk_move_pos *pos;
|
||||
struct ttm_buffer_object *bo;
|
||||
struct ttm_resource *res;
|
||||
struct ttm_device *ttm_dev;
|
||||
struct ttm_place *place;
|
||||
uint32_t mem_type = TTM_PL_SYSTEM;
|
||||
unsigned int bo_priority = 0;
|
||||
int err;
|
||||
|
||||
ttm_lru_bulk_move_init(&lru_bulk_move);
|
||||
|
||||
place = ttm_place_kunit_init(test, mem_type, 0);
|
||||
|
||||
ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
|
||||
KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
|
||||
|
||||
err = ttm_device_kunit_init(priv, ttm_dev, false, false);
|
||||
KUNIT_ASSERT_EQ(test, err, 0);
|
||||
priv->ttm_dev = ttm_dev;
|
||||
|
||||
bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
|
||||
|
||||
err = ttm_resource_alloc(bo, place, &res);
|
||||
KUNIT_ASSERT_EQ(test, err, 0);
|
||||
bo->resource = res;
|
||||
|
||||
dma_resv_lock(bo->base.resv, NULL);
|
||||
ttm_bo_set_bulk_move(bo, &lru_bulk_move);
|
||||
ttm_bo_pin(bo);
|
||||
dma_resv_unlock(bo->base.resv);
|
||||
|
||||
pos = &lru_bulk_move.pos[mem_type][bo_priority];
|
||||
|
||||
KUNIT_ASSERT_EQ(test, bo->pin_count, 1);
|
||||
KUNIT_ASSERT_NULL(test, pos->first);
|
||||
KUNIT_ASSERT_NULL(test, pos->last);
|
||||
|
||||
dma_resv_lock(bo->base.resv, NULL);
|
||||
ttm_bo_unpin(bo);
|
||||
dma_resv_unlock(bo->base.resv);
|
||||
|
||||
KUNIT_ASSERT_PTR_EQ(test, res, pos->last);
|
||||
KUNIT_ASSERT_EQ(test, bo->pin_count, 0);
|
||||
|
||||
ttm_resource_free(bo, &res);
|
||||
}
|
||||
|
||||
static void ttm_bo_multiple_pin_one_unpin(struct kunit *test)
|
||||
{
|
||||
struct ttm_test_devices *priv = test->priv;
|
||||
struct ttm_lru_bulk_move lru_bulk_move;
|
||||
struct ttm_lru_bulk_move_pos *pos;
|
||||
struct ttm_buffer_object *bo;
|
||||
struct ttm_resource *res;
|
||||
struct ttm_device *ttm_dev;
|
||||
struct ttm_place *place;
|
||||
uint32_t mem_type = TTM_PL_SYSTEM;
|
||||
unsigned int bo_priority = 0;
|
||||
int err;
|
||||
|
||||
ttm_lru_bulk_move_init(&lru_bulk_move);
|
||||
|
||||
place = ttm_place_kunit_init(test, mem_type, 0);
|
||||
|
||||
ttm_dev = kunit_kzalloc(test, sizeof(*ttm_dev), GFP_KERNEL);
|
||||
KUNIT_ASSERT_NOT_NULL(test, ttm_dev);
|
||||
|
||||
err = ttm_device_kunit_init(priv, ttm_dev, false, false);
|
||||
KUNIT_ASSERT_EQ(test, err, 0);
|
||||
priv->ttm_dev = ttm_dev;
|
||||
|
||||
bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE);
|
||||
|
||||
err = ttm_resource_alloc(bo, place, &res);
|
||||
KUNIT_ASSERT_EQ(test, err, 0);
|
||||
bo->resource = res;
|
||||
|
||||
dma_resv_lock(bo->base.resv, NULL);
|
||||
ttm_bo_set_bulk_move(bo, &lru_bulk_move);
|
||||
|
||||
/* Multiple pins */
|
||||
ttm_bo_pin(bo);
|
||||
ttm_bo_pin(bo);
|
||||
|
||||
dma_resv_unlock(bo->base.resv);
|
||||
|
||||
pos = &lru_bulk_move.pos[mem_type][bo_priority];
|
||||
|
||||
KUNIT_ASSERT_EQ(test, bo->pin_count, 2);
|
||||
KUNIT_ASSERT_NULL(test, pos->first);
|
||||
KUNIT_ASSERT_NULL(test, pos->last);
|
||||
|
||||
dma_resv_lock(bo->base.resv, NULL);
|
||||
ttm_bo_unpin(bo);
|
||||
dma_resv_unlock(bo->base.resv);
|
||||
|
||||
KUNIT_ASSERT_EQ(test, bo->pin_count, 1);
|
||||
KUNIT_ASSERT_NULL(test, pos->first);
|
||||
KUNIT_ASSERT_NULL(test, pos->last);
|
||||
|
||||
dma_resv_lock(bo->base.resv, NULL);
|
||||
ttm_bo_unpin(bo);
|
||||
dma_resv_unlock(bo->base.resv);
|
||||
|
||||
ttm_resource_free(bo, &res);
|
||||
}
|
||||
|
||||
static struct kunit_case ttm_bo_test_cases[] = {
|
||||
KUNIT_CASE_PARAM(ttm_bo_reserve_optimistic_no_ticket,
|
||||
ttm_bo_reserve_gen_params),
|
||||
KUNIT_CASE(ttm_bo_reserve_locked_no_sleep),
|
||||
KUNIT_CASE(ttm_bo_reserve_no_wait_ticket),
|
||||
KUNIT_CASE(ttm_bo_reserve_double_resv),
|
||||
#if IS_BUILTIN(CONFIG_DRM_TTM_KUNIT_TEST)
|
||||
KUNIT_CASE(ttm_bo_reserve_interrupted),
|
||||
#endif
|
||||
KUNIT_CASE(ttm_bo_reserve_deadlock),
|
||||
KUNIT_CASE(ttm_bo_unreserve_basic),
|
||||
KUNIT_CASE(ttm_bo_unreserve_pinned),
|
||||
KUNIT_CASE(ttm_bo_unreserve_bulk),
|
||||
KUNIT_CASE(ttm_bo_put_basic),
|
||||
KUNIT_CASE(ttm_bo_put_shared_resv),
|
||||
KUNIT_CASE(ttm_bo_pin_basic),
|
||||
KUNIT_CASE(ttm_bo_pin_unpin_resource),
|
||||
KUNIT_CASE(ttm_bo_multiple_pin_one_unpin),
|
||||
{}
|
||||
};
|
||||
|
||||
static struct kunit_suite ttm_bo_test_suite = {
|
||||
.name = "ttm_bo",
|
||||
.init = ttm_test_devices_init,
|
||||
.exit = ttm_test_devices_fini,
|
||||
.test_cases = ttm_bo_test_cases,
|
||||
};
|
||||
|
||||
kunit_test_suites(&ttm_bo_test_suite);
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -22,6 +22,10 @@ static void ttm_tt_simple_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
|
|||
kfree(ttm);
|
||||
}
|
||||
|
||||
static void dummy_ttm_bo_destroy(struct ttm_buffer_object *bo)
|
||||
{
|
||||
}
|
||||
|
||||
struct ttm_device_funcs ttm_dev_funcs = {
|
||||
.ttm_tt_create = ttm_tt_simple_create,
|
||||
.ttm_tt_destroy = ttm_tt_simple_destroy,
|
||||
|
|
@ -61,6 +65,8 @@ struct ttm_buffer_object *ttm_bo_kunit_init(struct kunit *test,
|
|||
KUNIT_ASSERT_EQ(test, err, 0);
|
||||
|
||||
bo->bdev = devs->ttm_dev;
|
||||
bo->destroy = dummy_ttm_bo_destroy;
|
||||
|
||||
kref_init(&bo->kref);
|
||||
|
||||
return bo;
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue