Mesa performance in SynMark2 v7 CSDof test dropped 3-7% on all our GEN9 devices. Setup: - Ubuntu 18.04 - Unity / compiz desktop - Mesa from git - X server and drm-tip kernel from git within last 1-2 months, with modifier support enabled - FullHD monitor Test-case: - synmark2 OglCSDof (configured to run in fullscreen FullHD resolution.) Regression happened between following commits: * 2019-05-14 16:23:12 e81392868e: iris/resource: Drop redundant checks for aux support * 2019-05-15 04:34:49 a9cef4f0e5: gallium: Add default check for PIPE_CAP_FRAGMENT_SHADER_INTERLOCK Notes: * There are a lot of compiler changes between these dates * Only CSDof test performance changed, and only on GEN9 devices (not on GEN7-8 ones)
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