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drm/ttm/tests: Test simple BO creation and validation

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Add tests for ttm_bo_init_reserved() and ttm_bo_validate() that use
sys manager. Define a simple move function in ttm_device_funcs. Expose
destroy callback of the buffer object to make testing of
ttm_bo_init_reserved() behaviour easier.

Signed-off-by: Karolina Stolarek <karolina.stolarek@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Somalapuram, Amaranath <asomalap@amd.com>
Tested-by: Somalapuram, Amaranath <asomalap@amd.com>
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ffba0d62eb98b2cbc61ae7ca90fee7dc0855719c.1718192625.git.karolina.stolarek@intel.com
This commit is contained in:
Karolina Stolarek
2024-06-12 14:02:59 +02:00
committed by Arunpravin Paneer Selvam
parent f7ed0a7e42
commit 8bd1ff5ddc
4 changed files with 228 additions and 1 deletions
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14
drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c
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@@ -22,13 +22,19 @@ 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)
static int mock_move(struct ttm_buffer_object *bo, bool evict,
struct ttm_operation_ctx *ctx,
struct ttm_resource *new_mem,
struct ttm_place *hop)
{
bo->resource = new_mem;
return 0;
}
struct ttm_device_funcs ttm_dev_funcs = {
.ttm_tt_create = ttm_tt_simple_create,
.ttm_tt_destroy = ttm_tt_simple_destroy,
.move = mock_move,
};
EXPORT_SYMBOL_GPL(ttm_dev_funcs);
@@ -93,6 +99,12 @@ struct ttm_place *ttm_place_kunit_init(struct kunit *test,
}
EXPORT_SYMBOL_GPL(ttm_place_kunit_init);
void dummy_ttm_bo_destroy(struct ttm_buffer_object *bo)
{
drm_gem_object_release(&bo->base);
}
EXPORT_SYMBOL_GPL(dummy_ttm_bo_destroy);
struct ttm_test_devices *ttm_test_devices_basic(struct kunit *test)
{
struct ttm_test_devices *devs;