[Intel-gfx] [PATCH i-g-t 3/4] tests/gem_lmem_swapping: limit lmem to 4G

[Das, Nirmoy]

Reviewed-by: Nirmoy Das <nirmoy.das at intel.com>

On 3/24/2022 3:26 PM, Matthew Auld wrote:
> From: CQ Tang <cq.tang at intel.com>
>
> On some systems lmem can be as large as 16G, which seems to trigger
> various CI timeouts, and in the best case just takes a long time. For
> the purposes of the test we should be able to limit to 4G, without any
> big loss in coverage.
>
> Signed-off-by: CQ Tang <cq.tang at intel.com>
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>
> Cc: Thomas Hellström <thomas.hellstrom at linux.intel.com>
> Cc: Nirmoy Das <nirmoy.das at linux.intel.com>
> ---
>   tests/i915/gem_lmem_swapping.c | 9 ++++++++-
>   1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/tests/i915/gem_lmem_swapping.c b/tests/i915/gem_lmem_swapping.c
> index 995a663f..ad1c989c 100644
> --- a/tests/i915/gem_lmem_swapping.c
> +++ b/tests/i915/gem_lmem_swapping.c
> @@ -526,7 +526,13 @@ igt_main_args("", long_options, help_str, opt_handler, NULL)
>   	igt_fixture {
>   		struct intel_execution_engine2 *e;
>   
> -		i915 = drm_open_driver(DRIVER_INTEL);
> +		igt_i915_driver_unload();
> +		if (igt_i915_driver_load("lmem_size=4096")) {
> +			igt_debug("i915 missing lmem_size modparam support\n");
> +			igt_assert_eq(igt_i915_driver_load(NULL), 0);
> +		}
> +
> +		i915 = __drm_open_driver(DRIVER_INTEL);
>   		igt_require_gem(i915);
>   		igt_require(gem_has_lmem(i915));
>   
> @@ -554,6 +560,7 @@ igt_main_args("", long_options, help_str, opt_handler, NULL)
>   	igt_fixture {
>   		free(regions);
>   		close(i915);
> +		igt_i915_driver_unload();
>   	}
>   
>   	igt_exit();