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drm/xe: Add mocs reset kunit

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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: Ruthuvikas Ravikumar <ruthuvikas.ravikumar@intel.com>
Signed-off-by: Janga Rahul Kumar <janga.rahul.kumar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231222192352.927101-1-janga.rahul.kumar@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
This commit is contained in:
Ruthuvikas Ravikumar 2023-12-23 00:53:52 +05:30 committed by Matt Roper
parent 26d4481ac2
commit 0d68d06553
3 changed files with 38 additions and 0 deletions
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36
drivers/gpu/drm/xe/tests/xe_mocs.c
View File

@ -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);

1
drivers/gpu/drm/xe/tests/xe_mocs_test.c
View File

@ -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),
{}
};

1
drivers/gpu/drm/xe/tests/xe_mocs_test.h
View File

@ -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