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drm/i915: Report all failed registers for ctx isolation

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For CI it is enough to point out a single failure
in isolation. However it is beneficial to gather
info in logs for transients further down
the line.

Do not stop into first comparison failure but
continue probing forward.

v2: for all engines and poisons (Chris)

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200331135403.16906-1-mika.kuoppala@linux.intel.com
This commit is contained in:
Mika Kuoppala 2020-03-31 16:54:03 +03:00 committed by Chris Wilson
parent 606727842d
commit 708c82d59b
1 changed files with 13 additions and 12 deletions
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25
drivers/gpu/drm/i915/gt/selftest_lrc.c
View File

@ -5171,7 +5171,6 @@ static int compare_isolation(struct intel_engine_cs *engine,
A[0][x], B[0][x], B[1][x],
poison, lrc[dw + 1]);
err = -EINVAL;
break;
}
}
dw += 2;
@ -5310,6 +5309,7 @@ static int live_lrc_isolation(void *arg)
0xffffffff,
0xffff0000,
};
int err = 0;
/*
* Our goal is try and verify that per-context state cannot be
@ -5320,7 +5320,6 @@ static int live_lrc_isolation(void *arg)
*/
for_each_engine(engine, gt, id) {
int err = 0;
int i;
/* Just don't even ask */
@ -5331,23 +5330,25 @@ static int live_lrc_isolation(void *arg)
intel_engine_pm_get(engine);
if (engine->pinned_default_state) {
for (i = 0; i < ARRAY_SIZE(poison); i++) {
err = __lrc_isolation(engine, poison[i]);
if (err)
break;
int result;
err = __lrc_isolation(engine, ~poison[i]);
if (err)
break;
result = __lrc_isolation(engine, poison[i]);
if (result && !err)
err = result;
result = __lrc_isolation(engine, ~poison[i]);
if (result && !err)
err = result;
}
}
intel_engine_pm_put(engine);
if (igt_flush_test(gt->i915))
if (igt_flush_test(gt->i915)) {
err = -EIO;
if (err)
return err;
break;
}
}
return 0;
return err;
}
static void garbage_reset(struct intel_engine_cs *engine,