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9 Commits

Author SHA1 Message Date
Chris Wilson
6862b33d50 igt/gem_exec_flush: Move assertions out of interruptible loops 
Since the value in the bo may be altered by the test, we only want to
repeat phases of the test to avoid breaking the test itself.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-05-02 14:58:00 +01:00
Chris Wilson
7c70d2fca2 igt/gem_exec_flush: Mark mmap-wc dependency 
Add a requirement for mmap-wc so that failure on older kernels is explained.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-05-02 13:23:33 +01:00
Chris Wilson
691b76a84b igt/gem_exec_flush: Use a cacheline stride 
Look at different cachelines on each pass, otherwise each group of 16
flush the same cachline.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-05-02 09:21:50 +01:00
Chris Wilson
805a05caae igt/gem_exec_flush: Add interruptible testing 
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-05-02 09:21:50 +01:00
Chris Wilson
16c9edb464 igt/gem_exec_flush: Add basic set-domain checks 
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-05-02 09:21:50 +01:00
Chris Wilson
f3532cab97 igt/gem_exec_flush: For good measure, check pread/pwrite 
As a point of comparison, test the pread/pwrite interface as well.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-05-01 21:46:28 +01:00
Chris Wilson
89f354e0a5 igt/gem_exec_flush: Use subtest groups to tidy requirement checking 
We can make the requirement testing and reporting tidier by using
igt_subtest_group.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-05-01 15:58:24 +01:00
Chris Wilson
a0d6645d45 igt/gem_exec_flush: Add a read-only variation 
Alternate between two values written by the GPU so that we can look for
stale cachelines without having to overwrite the value with the CPU.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-05-01 15:16:18 +01:00
Chris Wilson
ef3f61a6d3 tests: Add gem_exec_flush 
A basic check that the execbuf flushes writes from the batch and that
they are coherent afterwards.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-04-29 21:05:58 +01:00