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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2015-07-15 09:50:42 +0100 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-07-29 10:22:18 +0200 |
| commit | ee0a227b7ac6e75f28e10269f81c7ec6eb600952 (patch) | |
| tree | ebc6781b38245103564217e51a1453249306b233 /tools/perf/scripts/python | |
| parent | Linux 4.2-rc4 (diff) | |
| download | linux-dev-ee0a227b7ac6e75f28e10269f81c7ec6eb600952.tar.xz linux-dev-ee0a227b7ac6e75f28e10269f81c7ec6eb600952.zip | |
drm/i915: Replace WARN inside I915_READ64_2x32 with retry loop
Since we may conceivably encounter situations where the upper part of the
64bit register changes between reads, for example when a timestamp
counter overflows, change the WARN into a retry loop.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions