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-rw-r--r--drivers/gpu/drm/drm_gem_shmem_helper.c15
-rw-r--r--drivers/gpu/drm/tests/drm_gem_shmem_test.c8
2 files changed, 19 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index de4de594c78b..d377802b9dfd 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -932,6 +932,21 @@ void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem, struct iosys_map *
dma_resv_unlock(obj->resv);
}
EXPORT_SYMBOL_IF_KUNIT(drm_gem_shmem_vunmap);
+
+int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv)
+{
+ struct drm_gem_object *obj = &shmem->base;
+ int ret;
+
+ ret = dma_resv_lock_interruptible(obj->resv, NULL);
+ if (ret)
+ return ret;
+ ret = drm_gem_shmem_madvise_locked(shmem, madv);
+ dma_resv_unlock(obj->resv);
+
+ return ret;
+}
+EXPORT_SYMBOL_IF_KUNIT(drm_gem_shmem_madvise);
#endif
MODULE_DESCRIPTION("DRM SHMEM memory-management helpers");
diff --git a/drivers/gpu/drm/tests/drm_gem_shmem_test.c b/drivers/gpu/drm/tests/drm_gem_shmem_test.c
index 3e7c6f20fbcc..d639848e3c8e 100644
--- a/drivers/gpu/drm/tests/drm_gem_shmem_test.c
+++ b/drivers/gpu/drm/tests/drm_gem_shmem_test.c
@@ -292,17 +292,17 @@ static void drm_gem_shmem_test_madvise(struct kunit *test)
ret = kunit_add_action_or_reset(test, drm_gem_shmem_free_wrapper, shmem);
KUNIT_ASSERT_EQ(test, ret, 0);
- ret = drm_gem_shmem_madvise_locked(shmem, 1);
+ ret = drm_gem_shmem_madvise(shmem, 1);
KUNIT_EXPECT_TRUE(test, ret);
KUNIT_ASSERT_EQ(test, shmem->madv, 1);
/* Set madv to a negative value */
- ret = drm_gem_shmem_madvise_locked(shmem, -1);
+ ret = drm_gem_shmem_madvise(shmem, -1);
KUNIT_EXPECT_FALSE(test, ret);
KUNIT_ASSERT_EQ(test, shmem->madv, -1);
/* Check that madv cannot be set back to a positive value */
- ret = drm_gem_shmem_madvise_locked(shmem, 0);
+ ret = drm_gem_shmem_madvise(shmem, 0);
KUNIT_EXPECT_FALSE(test, ret);
KUNIT_ASSERT_EQ(test, shmem->madv, -1);
}
@@ -330,7 +330,7 @@ static void drm_gem_shmem_test_purge(struct kunit *test)
ret = drm_gem_shmem_is_purgeable(shmem);
KUNIT_EXPECT_FALSE(test, ret);
- ret = drm_gem_shmem_madvise_locked(shmem, 1);
+ ret = drm_gem_shmem_madvise(shmem, 1);
KUNIT_EXPECT_TRUE(test, ret);
/* The scatter/gather table will be freed by drm_gem_shmem_free */