[PATCH i-g-t 92/93] tests/i915/gem_ctx_engines: Add more invalid SET_CONTEXT_PARAM cases

Jason Ekstrand jason at jlekstrand.net
Thu Jun 3 22:51:43 UTC 2021


---
 tests/i915/gem_ctx_engines.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/tests/i915/gem_ctx_engines.c b/tests/i915/gem_ctx_engines.c
index e8d88aa4..f4ee990b 100644
--- a/tests/i915/gem_ctx_engines.c
+++ b/tests/i915/gem_ctx_engines.c
@@ -48,12 +48,14 @@
 static void invalid_engines(int i915)
 {
 	struct i915_context_param_engines stack = {}, *engines;
+	uint32_t ctx_id = gem_context_create(i915);
 	struct drm_i915_gem_context_param param = {
-		.ctx_id = gem_context_create(i915),
+		.ctx_id = ctx_id,
 		.param = I915_CONTEXT_PARAM_ENGINES,
 		.value = to_user_pointer(&stack),
 	};
 	uint32_t handle;
+	igt_spin_t *spin;
 	void *ptr;
 
 	param.size = 0;
@@ -68,6 +70,9 @@ static void invalid_engines(int i915)
 	param.size = sizeof(stack) + 1;
 	igt_assert_eq(__gem_context_set_param(i915, &param), -EINVAL);
 
+	param.size = sizeof(*engines) + (I915_EXEC_RING_MASK + 2) * sizeof(*engines->engines);
+	igt_assert_eq(__gem_context_set_param(i915, &param), -EINVAL);
+
 	param.size = 0;
 	igt_assert_eq(__gem_context_set_param(i915, &param), 0);
 
@@ -159,9 +164,20 @@ static void invalid_engines(int i915)
 
 	munmap(ptr + 4096, 4096);
 
+	/* Test that we can't set engines after we've done an execbuf */
+	spin = igt_spin_new(i915, .ctx_id = ctx_id);
+	igt_spin_free(i915, spin);
+	param.size = 0;
+	igt_assert_eq(__gem_context_set_param(i915, &param), -EINVAL);
+
+	/* Test that we can't set engines on ctx0 */
+	param.ctx_id = 0;
+	param.size = 0;
+	igt_assert_eq(__gem_context_set_param(i915, &param), -ENOENT);
+
 out:
 	munmap(engines, 4096);
-	gem_context_destroy(i915, param.ctx_id);
+	gem_context_destroy(i915, ctx_id);
 }
 
 static uint32_t batch_create(int i915)
-- 
2.31.1



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