diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-11-16 15:27:21 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-11-16 21:12:39 +0000 |
| commit | 27745e829a5cb896249f355f5bdab3249c5455e2 (patch) | |
| tree | 792016b59a86461057e2e1a28ad4d2bfddfb4340 /net/bluetooth/hci_request.c | |
| parent | 85ee17ebeedd1af0dccd98f82ab4e644e29d84c0 (diff) | |
drm/i915/execlists: Use a local lock for dfs_link access
Avoid requiring struct_mutex for exclusive access to the temporary
dfs_link inside the i915_dependency as not all callers may want to touch
struct_mutex. So rather than force them to take a highly contended
lock, introduce a local lock for the execlists schedule operation.
Reported-by: David Weinehall <david.weinehall@linux.intel.com>
Fixes: 9a151987d709 ("drm/i915: Add execution priority boosting for mmioflips")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161116152721.11053-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'net/bluetooth/hci_request.c')
0 files changed, 0 insertions, 0 deletions