Chris Wilson <[email protected]> writes:

> Simply check that we support parsing of batches as large as the uAPI
> allows.
>
> Signed-off-by: Chris Wilson <[email protected]>
> Cc: Mika Kuoppala <[email protected]>

Reviewed-by: Mika Kuoppala <[email protected]>

> ---
> Try a few intermediate object sizes since CI machines do not have enough
> memory to reach the upper bounds of the uAPI.
> ---
>  tests/i915/gen9_exec_parse.c | 47 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
>
> diff --git a/tests/i915/gen9_exec_parse.c b/tests/i915/gen9_exec_parse.c
> index 8cd82f568..f735e7e1c 100644
> --- a/tests/i915/gen9_exec_parse.c
> +++ b/tests/i915/gen9_exec_parse.c
> @@ -566,6 +566,50 @@ 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;
> +     static const uint32_t sizes[] = {
> +             (1ull << 30) - 4096,
> +             (1ull << 30) + 4096,
> +             (2ull << 30) - 4096,
> +             (2ull << 30) + 4096,
> +             (3ull << 30) - 4096,
> +             (3ull << 30) + 4096,
> +             (4ull << 30) - 4096,
> +     };
> +     struct drm_i915_gem_exec_object2 obj = {};
> +     struct drm_i915_gem_execbuffer2 execbuf = {
> +             .buffers_ptr = to_user_pointer(&obj),
> +             .buffer_count = 1,
> +             .flags = I915_EXEC_BLT,
> +     };
> +     uint64_t required, total;
> +     int i;
> +
> +     for (i = 0; i < ARRAY_SIZE(sizes); i++) {
> +             if (!__intel_check_memory(2, sizes[i], CHECK_RAM,
> +                                       &required, &total))
> +                     break;
> +
> +             igt_debug("Using object size %#x\n", sizes[i]);
> +             obj.handle = gem_create(i915, sizes[i]),
> +             gem_write(i915, obj.handle, sizes[i] - 64, &bbe, sizeof(bbe));
> +
> +             execbuf.batch_start_offset = 0;
> +             igt_assert_eq(__checked_execbuf(i915, &execbuf), 0);
> +
> +             execbuf.batch_start_offset = sizes[i] - 64;
> +             igt_assert_eq(__checked_execbuf(i915, &execbuf), 0);
> +
> +             gem_close(i915, obj.handle);
> +     }
> +
> +     igt_require_f(i > 0 && sizes[i - 1] > 1ull << 31,
> +                   "Insufficient free memory, require at least %'"PRIu64"MiB 
> but only have %'"PRIu64"MiB available",
> +                   required >> 20, total >> 20);
> +}
> +
>  static void test_bb_chained(const int i915, const uint32_t handle)
>  {
>       const uint32_t batch[] = {
> @@ -1053,6 +1097,9 @@ 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
_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to