Simply check that we support parsing of batches as large as the uAPI
allows.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
---
tests/i915/gen9_exec_parse.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/tests/i915/gen9_exec_parse.c b/tests/i915/gen9_exec_parse.c
index 8cd82f568..db291d17b 100644
--- a/tests/i915/gen9_exec_parse.c
+++ b/tests/i915/gen9_exec_parse.c
@@ -566,6 +566,30 @@ static void test_bb_start(const int i915, const uint32_t handle, int test)
gem_close(i915, target_bo);
}
+static void test_bb_large(int i915)
+{
+ const uint32_t bbe = MI_BATCH_BUFFER_END;
+ uint32_t size = (1ull << 32) - 4096;
+ struct drm_i915_gem_exec_object2 obj = {
+ .handle = gem_create(i915, size),
+ };
+ struct drm_i915_gem_execbuffer2 execbuf = {
+ .buffers_ptr = to_user_pointer(&obj),
+ .buffer_count = 1,
+ .flags = I915_EXEC_BLT,
+ };
+
+ intel_require_memory(2, size, CHECK_RAM);
+
+ gem_write(i915, obj.handle, size - 64, &bbe, sizeof(bbe));
+ igt_assert_eq(__checked_execbuf(i915, &execbuf), 0);
+
+ execbuf.batch_start_offset = size - 64;
+ igt_assert_eq(__checked_execbuf(i915, &execbuf), 0);
+
+ gem_close(i915, obj.handle);
+}
+
static void test_bb_chained(const int i915, const uint32_t handle)
{
const uint32_t batch[] = {
@@ -1053,6 +1077,9 @@ igt_main
igt_subtest("bb-start-far")
test_bb_start(i915, handle, BB_START_FAR);
+ igt_subtest("bb-large")
+ test_bb_large(i915);
+
igt_fixture {
igt_stop_hang_detector();
gem_close(i915, handle);
--
2.28.0
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