From bb4328f6b9cb5ae7e7a59033bd89fc3aead91599 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Fri, 13 Mar 2020 10:28:12 +0000 Subject: [PATCH] drm/i915/selftest: Add more poison patterns Throw in the inverse patterns to create more examples of poison to use against the LRC state. Signed-off-by: Chris Wilson Cc: Mika Kuoppala Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20200313102812.30173-1-chris@chris-wilson.co.uk --- 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