Commit 0d68d065 authored by Ruthuvikas Ravikumar's avatar Ruthuvikas Ravikumar Committed by Matt Roper
Browse files

drm/xe: Add mocs reset kunit 



This kunit verifies the mocs registers content
with the KMD programmed values before and after
GT reset.

v2: Remove extra blank lines between the local variables
definitions (Matt Roper)

Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarRuthuvikas Ravikumar <ruthuvikas.ravikumar@intel.com>
Signed-off-by: default avatarJanga Rahul Kumar <janga.rahul.kumar@intel.com>
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231222192352.927101-1-janga.rahul.kumar@intel.com


Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
parent 26d4481a

drivers/gpu/drm/xe/tests/xe_mocs.c

+36 −0
Original line number Diff line number Diff line
@@ -128,3 +128,39 @@ void xe_live_mocs_kernel_kunit(struct kunit *test) 
	xe_call_for_each_device(mocs_kernel_test_run_device);

}

EXPORT_SYMBOL_IF_KUNIT(xe_live_mocs_kernel_kunit);



static int mocs_reset_test_run_device(struct xe_device *xe)

{

	/* Check the mocs setup is retained over GT reset */



	struct live_mocs mocs;

	struct xe_gt *gt;

	unsigned int flags;

	int id;

	struct kunit *test = xe_cur_kunit();



	for_each_gt(gt, xe, id) {

		flags = live_mocs_init(&mocs, gt);

		kunit_info(test, "mocs_reset_test before reset\n");

		if (flags & HAS_GLOBAL_MOCS)

			read_mocs_table(gt, &mocs.table);

		if (flags & HAS_LNCF_MOCS)

			read_l3cc_table(gt, &mocs.table);



		xe_gt_reset_async(gt);

		flush_work(&gt->reset.worker);



		kunit_info(test, "mocs_reset_test after reset\n");

		if (flags & HAS_GLOBAL_MOCS)

			read_mocs_table(gt, &mocs.table);

		if (flags & HAS_LNCF_MOCS)

			read_l3cc_table(gt, &mocs.table);

	}

	return 0;

}



void xe_live_mocs_reset_kunit(struct kunit *test)

{

	xe_call_for_each_device(mocs_reset_test_run_device);

}

EXPORT_SYMBOL_IF_KUNIT(xe_live_mocs_reset_kunit);

drivers/gpu/drm/xe/tests/xe_mocs_test.c

+1 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 


static struct kunit_case xe_mocs_tests[] = {

	KUNIT_CASE(xe_live_mocs_kernel_kunit),

	KUNIT_CASE(xe_live_mocs_reset_kunit),

	{}

};

drivers/gpu/drm/xe/tests/xe_mocs_test.h

+1 −0
Original line number Diff line number Diff line
@@ -9,5 +9,6 @@ 
struct kunit;



void xe_live_mocs_kernel_kunit(struct kunit *test);

void xe_live_mocs_reset_kunit(struct kunit *test);



#endif