Setup a context with no engines, and make sure we reject all execution
attempts.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
tests/i915/gem_ctx_engines.c | 45 ++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/tests/i915/gem_ctx_engines.c b/tests/i915/gem_ctx_engines.c
index cb82f08ef..063140e0f 100644
--- a/tests/i915/gem_ctx_engines.c
+++ b/tests/i915/gem_ctx_engines.c
@@ -242,6 +242,48 @@ static void idempotent(int i915)
gem_context_destroy(i915, p.ctx_id);
}
+static uint32_t batch_create(int i915)
+{
+ const uint32_t bbe = MI_BATCH_BUFFER_END;
+ uint32_t handle = gem_create(i915, 4096);
+
+ gem_write(i915, handle, 0, &bbe, sizeof(bbe));
+ return handle;
+}
+
+static void none(int i915)
+{
+ struct i915_context_param_engines engines = {};
+ struct drm_i915_gem_context_param p = {
+ .ctx_id = gem_context_create(i915),
+ .param = I915_CONTEXT_PARAM_ENGINES,
+ .value = to_user_pointer(&engines),
+ .size = sizeof(engines),
+ };
+
+ gem_context_set_param(i915, &p);
+
+ {
+ struct drm_i915_gem_exec_object2 obj = {
+ .handle = batch_create(i915),
+ };
+ struct drm_i915_gem_execbuffer2 execbuf = {
+ .buffers_ptr = to_user_pointer(&obj),
+ .buffer_count = 1,
+ .rsvd1 = p.ctx_id,
+ };
+
+ for (execbuf.flags = 0;
+ execbuf.flags <= I915_EXEC_RING_MASK;
+ execbuf.flags++)
+ igt_assert_eq(__gem_execbuf(i915, &execbuf), -EINVAL);
+
+ gem_close(i915, obj.handle);
+ }
+
+ gem_context_destroy(i915, p.ctx_id);
+}
+
static void execute_one(int i915)
{
I915_DEFINE_CONTEXT_PARAM_ENGINES(engines , I915_EXEC_RING_MASK + 1);
@@ -527,6 +569,9 @@ igt_main
igt_subtest("idempotent")
idempotent(i915);
+ igt_subtest("none")
+ none(i915);
+
igt_subtest("execute-one")
execute_one(i915);
--
2.25.0
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