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| author | Imre Deak <imre.deak@intel.com> | 2016-06-28 13:37:32 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2016-06-29 11:18:04 +0300 |
| commit | fa7c13e5b1e2076b0ec716ed584ab76f9e65b7a6 (patch) | |
| tree | c091a063780a5c3ba38505ee36373bca00b2b1e2 /fs/compat_ioctl.c | |
| parent | 11f6145791775ce41b8993fd29e19eb53ef0ff14 (diff) | |
| download | op-kernel-dev-fa7c13e5b1e2076b0ec716ed584ab76f9e65b7a6.zip op-kernel-dev-fa7c13e5b1e2076b0ec716ed584ab76f9e65b7a6.tar.gz | |
drm/i915/hsw: Avoid early timeout during LCPLL disable/restore
Since wait_for_atomic doesn't re-check the wait-for condition after
expiry of the timeout it can fail when called from non-atomic context
even if the condition is set correctly before the expiry. Fix this by
using the non-atomic wait_for instead.
Fixes: 0351b93992aa ("drm/i915: Do not lie about atomic timeout granularity")
CC: Chris Wilson <chris@chris-wilson.co.uk>
CC: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
CC: drm-intel-fixes@lists.freedesktop.org
Link: http://patchwork.freedesktop.org/patch/msgid/1467110253-16046-4-git-send-email-imre.deak@intel.com
(cherry picked from commit f53dd63f1119a98a16d1a5a7cb3277a2f1ff483d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'fs/compat_ioctl.c')
0 files changed, 0 insertions, 0 deletions
