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author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-07-20 09:21:11 +0100 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-07-20 09:29:53 +0100 |
commit | 04769652c8c7ad4779a4b943dcf889a2020226f4 (patch) | |
tree | aeb6abe430789f85abf9aae0355e5a76b1af5a5c /drivers/gpu/drm/i915/intel_engine_cs.c | |
parent | c4b0930bf418d5fab1d75ab462f0a7ff155f1b33 (diff) | |
download | op-kernel-dev-04769652c8c7ad4779a4b943dcf889a2020226f4.zip op-kernel-dev-04769652c8c7ad4779a4b943dcf889a2020226f4.tar.gz |
drm/i915: Derive GEM requests from dma-fence
dma-buf provides a generic fence class for interoperation between
drivers. Internally we use the request structure as a fence, and so with
only a little bit of interfacing we can rebase those requests on top of
dma-buf fences. This will allow us, in the future, to pass those fences
back to userspace or between drivers.
v2: The fence_context needs to be globally unique, not just unique to
this device.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1469002875-2335-4-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_engine_cs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index e3c9f04..f4a35ec 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -182,6 +182,8 @@ void intel_engine_setup_common(struct intel_engine_cs *engine) INIT_LIST_HEAD(&engine->execlist_queue); spin_lock_init(&engine->execlist_lock); + engine->fence_context = fence_context_alloc(1); + intel_engine_init_hangcheck(engine); i915_gem_batch_pool_init(&engine->i915->drm, &engine->batch_pool); } |