Throw in the inverse patterns to create more examples of poison to use
against the LRC state.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/selftest_lrc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index e9e71c52b34d..6f06ba750a0a 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -5290,8 +5290,9 @@ static int live_lrc_isolation(void *arg)
const u32 poison[] = {
STACK_MAGIC,
0x3a3a3a3a,
- 0xc5c5c5c5,
+ 0x5c5c5c5c,
0xffffffff,
+ 0xffff0000,
};
/*
@@ -5317,6 +5318,10 @@ static int live_lrc_isolation(void *arg)
err = __lrc_isolation(engine, poison[i]);
if (err)
break;
+
+ err = __lrc_isolation(engine, ~poison[i]);
+ if (err)
+ break;
}
}
intel_engine_pm_put(engine);
--
2.20.1
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