From a58d487fb1a52579d3c37544ea371da78ed70c45 Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Wed, 4 Mar 2026 09:56:16 +0100 Subject: [PATCH] drm/ttm/tests: Fix build failure on PREEMPT_RT MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix a compile error in the kunit tests when CONFIG_PREEMPT_RT is enabled, and the normal mutex is converted into a rtmutex. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202602261547.3bM6yVAS-lkp@intel.com/ Reviewed-by: Jouni Högander Link: https://patch.msgid.link/20260304085616.1216961-1-dev@lankhorst.se Signed-off-by: Maarten Lankhorst --- drivers/gpu/drm/ttm/tests/ttm_bo_test.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/ttm/tests/ttm_bo_test.c b/drivers/gpu/drm/ttm/tests/ttm_bo_test.c index d468f8322072..f3103307b5df 100644 --- a/drivers/gpu/drm/ttm/tests/ttm_bo_test.c +++ b/drivers/gpu/drm/ttm/tests/ttm_bo_test.c @@ -222,13 +222,13 @@ static void ttm_bo_reserve_interrupted(struct kunit *test) KUNIT_FAIL(test, "Couldn't create ttm bo reserve task\n"); /* Take a lock so the threaded reserve has to wait */ - mutex_lock(&bo->base.resv->lock.base); + dma_resv_lock(bo->base.resv, NULL); wake_up_process(task); msleep(20); err = kthread_stop(task); - mutex_unlock(&bo->base.resv->lock.base); + dma_resv_unlock(bo->base.resv); KUNIT_ASSERT_EQ(test, err, -ERESTARTSYS); }