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3 Commits

Author SHA1 Message Date
Chris Wilson
ef51988ab2 igt/gem_bad_reloc: Restrict negative reloc tests to IVB+ 
The bug doesn't seem to occur on SNB, so we can skip the workaround and
hence we do not expect the kernel to prevent invalid relocated offsets.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2014-05-15 13:25:02 +01:00
Chris Wilson
efd5a571f4 gem_bad_reloc: Add subtest for LUT-based execbuffers 
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2014-05-15 13:11:41 +01:00
Chris Wilson
daa9e3d80a Add gem_bad_reloc 
This test feeds a batch containing self-references into the kernel and
checks that the relocation offsets remain as valid GTT addresses. This
is to exercise SNA passing in negative relocation deltas which can hang
the GPU if they wrap around.

References: https://bugs.freedesktop.org/show_bug.cgi?id=78533
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2014-05-15 08:47:21 +01:00