[PATCH] [RFC] tests/intel: Add tests to run suspend without display

[Gupta, Anshuman]

> -----Original Message-----
> From: Sundaresan, Sujaritha <sujaritha.sundaresan at intel.com>
> Sent: Friday, December 22, 2023 3:07 PM
> To: igt-dev at lists.freedesktop.org
> Cc: Gupta, Anshuman <anshuman.gupta at intel.com>; Sundaresan, Sujaritha
> <sujaritha.sundaresan at intel.com>
> Subject: [PATCH] [RFC] tests/intel: Add tests to run suspend without display

> 
> Add tests to validate s3/s2idle suspend cycle without display module to rule
> out display related issues from the suspend/resume stack.
Can you extend the existing xe_pm s2idle/s3 test which also submits the workload.
Idea is to get the existing test results without display module.
Thanks,
Anshuman Gupta.
> 
> Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan at intel.com>
> ---
>  tests/intel/xe_pm.c | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/tests/intel/xe_pm.c b/tests/intel/xe_pm.c index
> 602729daf..55088e7fa 100644
> --- a/tests/intel/xe_pm.c
> +++ b/tests/intel/xe_pm.c
> @@ -17,6 +17,7 @@
>  #include "igt.h"
>  #include "lib/igt_device.h"
>  #include "lib/igt_pm.h"
> +#include "lib/igt_kmod.h"
>  #include "lib/igt_sysfs.h"
>  #include "lib/igt_syncobj.h"
>  #include "lib/intel_reg.h"
> @@ -364,6 +365,30 @@ NULL));
>  		igt_assert(in_d3(device, d_state));
>  }
> 
> +/**
> + * SUBTEST: s2idle-without-display
> + * Functionality: pm
> + * Description: validate the s2idle cycle without display  */
> +
> +/**
> + * SUBTEST: s3-without-display
> + * Functionality: pm
> + * Description: validate the s3 cycle without display  */
> +
> +static void
> +test_suspend_without_display(int state) {
> +	igt_kmsg(KMSG_INFO "Unloading Xe\n");
> +	igt_assert_eq(igt_xe_driver_unload(),0);
> +
> +	igt_kmsg(KMSG_INFO "Re-loading Xe\n");
> +	igt_assert_eq(igt_xe_driver_load("enable_display=0"),0);
> +
> +	igt_system_suspend_autoresume(state, SUSPEND_TEST_NONE); }
> +
>  /**
>   * SUBTEST: vram-d3cold-threshold
>   * Functionality: pm - d3cold
> @@ -536,6 +561,14 @@ igt_main
>  		}
>  	}
> 
> +	igt_describe("Validate s2idle without display");
> +	igt_subtest("s2idle-without-display")
> +		test_suspend_without_display(SUSPEND_STATE_FREEZE);
> +
> +	igt_describe("Validate s3 without display");
> +	igt_subtest("s3-without-display")
> +		test_suspend_without_display(SUSPEND_STATE_S3);
> +
>  	igt_describe("Validate whether card is limited to d3hot, if vram used >
> vram threshold");
>  	igt_subtest("vram-d3cold-threshold") {
>  		orig_threshold = get_vram_d3cold_threshold(sysfs_fd);
> --
> 2.25.1