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drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT

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Expose the hardcoded timeout for unsignaled foreign fences as a Kconfig
option, primarily to allow brave systems to disable the timeout and
solely rely on correct signaling.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200509105021.12542-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2020-05-09 11:50:21 +01:00
parent fcae496153
commit 16dc224f1c
9 changed files with 46 additions and 9 deletions
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3
drivers/gpu/drm/i915/i915_request.c
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@@ -1098,7 +1098,8 @@ __i915_request_await_external(struct i915_request *rq, struct dma_fence *fence)
{
mark_external(rq);
return i915_sw_fence_await_dma_fence(&rq->submit, fence,
fence->context ? I915_FENCE_TIMEOUT : 0,
i915_fence_context_timeout(rq->i915,
fence->context),
I915_FENCE_GFP);
}