On Thu, Nov 07, 2019 at 11:30:51PM +0000, Chris Wilson wrote:
Quoting Umesh Nerlige Ramappa (2019-11-07 23:22:34)
It turns out that the OAR CONTROL register is not getting configured
correctly in conjunction with the context save/restore bit. When
measuring work for a single context, the OAR counters do not increment.
Configure OAR format and enable OAR counters at the same time as
enabling context save/restore for OAR counters.
Did you write a test case to capture this bug for posterity? If so,
please include a Testcase: link. If not, please do so :)
I did, although the test is also up for review here in an igt series -
https://patchwork.freedesktop.org/patch/339514/
Thanks,
Umesh
-Chris
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