drm/i915/perf: add missing delay for OA muxes configuration

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This was dropped from the original patch series, we weren't sure
whether it was needed at the time. More recent tests show it's
definitely needed to have acurate performance data.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 19f81df285 ("drm/i915/perf: Add OA unit support for Gen 8+")
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
[ickle: combine duplicate code and comments]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190710105524.23017-1-chris@chris-wilson.co.uk
(cherry picked from commit 14bfcd3e0d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

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Lionel Landwerlin 2019-07-10 11:55:24 +01:00 • committed by Jani Nikula

parent 06c12ae3b4

commit 8f48de4979

1 changed files with 28 additions and 21 deletions

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drivers/gpu/drm/i915/i915_perf.c

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