From: Chris Wilson Date: Sat, 27 Aug 2016 07:54:00 +0000 (+0100) Subject: drm/i915: Tidy reporting busy status during i915_gem_retire_requests() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f6407193dd9d9e29fc94b7f6943c517cbee314bb;p=linux-beck.git drm/i915: Tidy reporting busy status during i915_gem_retire_requests() As we know by inspection whether any engine is still busy as we retire all the requests, we can pass that information back via return value rather than check again afterwards. v2: A little more polish missed in patch splitting Signed-off-by: Chris Wilson Cc: Mika Kuoppala Reviewed-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/20160827075401.16470-1-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index 1a215320cefb..5e55270bb2de 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -749,16 +749,18 @@ complete: return ret; } -static void engine_retire_requests(struct intel_engine_cs *engine) +static bool engine_retire_requests(struct intel_engine_cs *engine) { struct drm_i915_gem_request *request, *next; list_for_each_entry_safe(request, next, &engine->request_list, link) { if (!i915_gem_request_completed(request)) - break; + return false; i915_gem_request_retire(request); } + + return true; } void i915_gem_retire_requests(struct drm_i915_private *dev_priv) @@ -772,11 +774,9 @@ void i915_gem_retire_requests(struct drm_i915_private *dev_priv) GEM_BUG_ON(!dev_priv->gt.awake); - for_each_engine(engine, dev_priv) { - engine_retire_requests(engine); - if (!intel_engine_is_active(engine)) + for_each_engine_masked(engine, dev_priv, dev_priv->gt.active_engines) + if (engine_retire_requests(engine)) dev_priv->gt.active_engines &= ~intel_engine_flag(engine); - } if (dev_priv->gt.active_engines == 0) queue_delayed_work(dev_priv->wq,