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drm/i915/guc: Unwind GuC workqueue reservation if request construction fails

Selaa lähdekoodia 
We reserve space in the GuC workqueue for submitting the request in the
future. However, if we fail to construct the request, we need to give
that reserved space back to the system.

Fixes: dadd481bfe ("drm/i915/guc: Prepare for nonblocking execbuf submission")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97978
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161007065327.24515-4-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2016-10-07 07:53:27 +01:00
vanhempi ad07dfcddf
commit 5ba899082c
3 muutettua tiedostoa jossa 23 lisäystä ja 7 poistoa
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drivers/gpu/drm/i915/intel_guc.h
Näytä tiedosto

@@ -160,6 +160,7 @@ extern int intel_guc_resume(struct drm_device *dev);
int i915_guc_submission_init(struct drm_i915_private *dev_priv);
int i915_guc_submission_enable(struct drm_i915_private *dev_priv);
int i915_guc_wq_reserve(struct drm_i915_gem_request *rq);
void i915_guc_wq_unreserve(struct drm_i915_gem_request *request);
void i915_guc_submission_disable(struct drm_i915_private *dev_priv);
void i915_guc_submission_fini(struct drm_i915_private *dev_priv);