[igt-dev] [PATCH i-g-t 1/4] i915/gem_ctx_engines: Exercise 0 engines[]
Antonio Argenziano
antonio.argenziano at intel.com
Fri Feb 14 21:22:38 UTC 2020
On 14/02/20 11:40, Chris Wilson wrote:
> Setup a context with no engines, and make sure we reject all execution
> attempts.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Antonio Argenziano <antonio.argenziano at intel.com>
> ---
> 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);
>
>
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