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drm/i915/selftests: Fixup recursive MI_BB_START for gen3

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There's no magic bit0 in MI_BB_START for gen3, it's the same dword length
parameter as elsewhere and needs to be zero.

v2: Same bug in both live_requests and live_hanghcheck.

References: https://bugs.freedesktop.org/show_bug.cgi?id=107132
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180705154756.5533-1-chris@chris-wilson.co.uk
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Chris Wilson
2018-07-05 16:47:56 +01:00
parent f0d759f038
commit bb9e8755a4
2 changed files with 2 additions and 5 deletions
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2
drivers/gpu/drm/i915/selftests/intel_hangcheck.c
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@@ -193,7 +193,7 @@ static int emit_recurse_batch(struct hang *h,
batch += 1024 / sizeof(*batch);
*batch++ = MI_ARB_CHECK;
*batch++ = MI_BATCH_BUFFER_START | 2 << 6 | 1;
*batch++ = MI_BATCH_BUFFER_START | 2 << 6;
*batch++ = lower_32_bits(vma->node.start);
}
*batch++ = MI_BATCH_BUFFER_END; /* not reached */