| commit | f53dd63f1119a98a16d1a5a7cb3277a2f1ff483d | |
| author | Imre Deak <imre.deak@intel.com> | |
| Tue, 28 Jun 2016 10:37:32 +0000 (28 13:37 +0300) | ||
| committer | Imre Deak <imre.deak@intel.com> | |
| Tue, 28 Jun 2016 19:10:24 +0000 (28 22:10 +0300) | ||
| tree | 234adfbe9f2d590fcea72dd843b12ddca9bcf00d | treesnapshot (tar.gz zip) |
| parent | cf3598c23cd09d5f063fa8c12fe9ddd5a352d3d5 | commitdiff |
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
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
| drivers/gpu/drm/i915/intel_display.c | diffblobblamehistory |