Commit bb4328f6 authored Mar 13, 2020 by Chris Wilson

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 <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200313102812.30173-1-chris@chris-wilson.co.uk

parent 175c4d9b

drivers/gpu/drm/i915/gt/selftest_lrc.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -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);

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