Re: [PATCH i-g-t v2 2/2] tests/gem_reset_stats: Enforce full chip reset mode before run

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On 06/07/17 15:50, Antonio Argenziano wrote:
+
+    igt_fixture {
+        int fd;
+
+        fd = drm_open_driver(DRIVER_INTEL);
+        igt_assert(igt_sysfs_set_parameter
+               (fd, "reset", "%d", INT_MAX /* any reset method */));

I would still suggest that we restore the reset value we had at the beginning of the test. I think that since we disabled single engine, this would actually set the parameter to an unsafe value.

I talked with Antonio offline about it, but long story short, it doesn't matter much.

Writing INT_MAX to i915.reset is safe; a platform without reset-engine support will still only do (and most important, report via the get-param ioctl) that it can only do full-gpu-reset, even though i915.reset > 1.

-Michel
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