| commit | ee0a227b7ac6e75f28e10269f81c7ec6eb600952 | [log] [tgz] |
|---|---|---|
| author | Chris Wilson <chris@chris-wilson.co.uk> | Wed Jul 15 09:50:42 2015 +0100 |
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | Wed Jul 29 10:22:18 2015 +0200 |
| tree | ebc6781b38245103564217e51a1453249306b233 | |
| parent | cbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f [diff] |
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>