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author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-07-25 14:14:46 +0100 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-07-26 19:25:34 +0100 |
commit | 340c4c8daad95cc1064d88901a03bcb68d0f0185 (patch) | |
tree | e54da6a533f89ad412132fa663645fa5af100a01 /drivers/gpu/drm/drm_ioctl.c | |
parent | f91bf7382856eb9b35664f92aab4c49b0407ac02 (diff) | |
download | linux-340c4c8daad95cc1064d88901a03bcb68d0f0185.tar.bz2 |
drm/i915/gt: Add to timeline requires the timeline mutex
Modifying a remote context requires careful serialisation with requests
on that context, and that serialisation requires us to take their
timeline->mutex. Make it so.
Note that while struct_mutex rules, we can't create more than one
request in parallel, but that age is soon coming to an end.
v2: Though it doesn't affect the current users, contexts may share
timelines so check if we already hold the right mutex.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190725131447.27515-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/drm_ioctl.c')
0 files changed, 0 insertions, 0 deletions