Chris Wilson <ch...@chris-wilson.co.uk> writes:
> Throw in the inverse patterns to create more examples of poison to use
> against the LRC state.
>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuopp...@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuopp...@linux.intel.com>
> ---
> 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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