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drm/i915: Switch the global i915.semaphores check to a local predicate

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Rather than use a global modparam, we can just check to see if the
engine has semaphores configured upon it.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170503093924.5320-7-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2017-05-03 10:39:24 +01:00
parent fc9d4d2b6f
commit 49f08598bf
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/i915/i915_gem_request.c
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@ -711,13 +711,15 @@ i915_gem_request_await_request(struct drm_i915_gem_request *to,
if (!seqno)
goto await_dma_fence;
if (!i915.semaphores) {
if (!to->engine->semaphore.sync_to) {
if (!__i915_gem_request_started(from, seqno))
goto await_dma_fence;
if (!__i915_spin_request(from, seqno, TASK_INTERRUPTIBLE, 2))
goto await_dma_fence;
} else {
GEM_BUG_ON(!from->engine->semaphore.signal);
if (seqno <= to->timeline->global_sync[from->engine->id])
return 0;