[PATCH i-g-t,v3] tests/intel: Add tests to run suspend without display

[Sundaresan, Sujaritha]

On 7/30/2024 5:05 PM, Sujaritha Sundaresan wrote:
> Add tests to validate basic execution suspend/resume cycle
> without display module to rule out display related issues
> from the suspend/resume stack.
>
> v2: Add normal reload cycle after running test (Anshuman)
>
> v3: Rebase
>
> Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan at intel.com>
> Reviewed-by: Anshuman Gupta <anshuman.gupta at intel.com>
> ---
>   tests/intel/xe_pm.c | 34 ++++++++++++++++++++++++++++++++++
>   1 file changed, 34 insertions(+)
>
> diff --git a/tests/intel/xe_pm.c b/tests/intel/xe_pm.c
> index 8b115e2f6..03f742265 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_kmod.h"
>   #include "lib/igt_pm.h"
>   #include "lib/igt_sysfs.h"
>   #include "lib/igt_syncobj.h"
> @@ -229,6 +230,10 @@ static void close_fw_handle(int sig)
>    * Description: suspend/autoresume on %arg[1] state and exec after RPM
>    * Functionality: pm - %arg[1]
>    *
> + * SUBTEST: %s-without-display
> + * Description: suspend/autoresume on %arg[1] state without display
> + * Functionality: pm - %arg[1]
> + *
>    * arg[1]:
>    *
>    * @s2idle:	s2idle
> @@ -681,6 +686,7 @@ igt_main
>   	struct drm_xe_engine_class_instance *hwe;
>   	device_t device;
>   	uint32_t d3cold_allowed;
> +	const char *opts;
>   	int sysfs_fd;
>   
>   	const struct s_state {
> @@ -757,6 +763,34 @@ igt_main
>   					  NO_RPM, 0);
>   		}
>   
> +		igt_subtest_f("%s-without-display", s->name) {
> +
> +			if (!drmModeGetResources(device.fd_xe))
> +				return;
> +
> +			xe_for_each_engine(device.fd_xe, hwe) {
> +
> +				igt_debug("Reload w/o display\n");
> +
> +				igt_kmsg(KMSG_INFO "Unloading Xe\n");
> +				igt_assert_eq(igt_xe_driver_unload(), 0);
> +
> +				igt_kmsg(KMSG_INFO "Re-loading Xe without display\n");
> +				igt_assert_eq(igt_xe_driver_load("enable_display=0"), 0);
> +
> +				test_exec(device, hwe, 1, 2, s->state,
> +					  NO_RPM, 0);
> +
> +				igt_debug("Reload as normal\n");
> +
> +				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(opts), 0);
> +			}
> +		}
> +
>   		for (const struct vm_op *op = vm_op; op->name; op++) {
>   			igt_subtest_f("%s-vm-bind-%s", s->name, op->name) {
>   				xe_for_each_engine(device.fd_xe, hwe)

The BAT failures are unrelated. The CI FULL failures seems to be 
pointing to Xe unload being unsuccessful. I have submitted that for a 
retest, however they seem to not be related to the changes made 
specifically.

Thanks,

Suja