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drm/i915: Move request list retirement to i915_gem_request.c

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As the list retirement is now clean of implementation details, we can
move it closer to the request management.

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/1470293567-10811-23-git-send-email-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-08-04 07:52:42 +01:00
parent 909d074c31
commit 4b8de8e68a
2 changed files with 35 additions and 44 deletions
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44
drivers/gpu/drm/i915/i915_gem.c
View File

@ -2534,50 +2534,6 @@ void i915_gem_reset(struct drm_device *dev)
i915_gem_restore_fences(dev);
}
/**
* This function clears the request list as sequence numbers are passed.
* @engine: engine to retire requests on
*/
void
i915_gem_retire_requests_ring(struct intel_engine_cs *engine)
{
while (!list_empty(&engine->request_list)) {
struct drm_i915_gem_request *request;
request = list_first_entry(&engine->request_list,
struct drm_i915_gem_request,
link);
if (!i915_gem_request_completed(request))
break;
i915_gem_request_retire_upto(request);
}
}
void i915_gem_retire_requests(struct drm_i915_private *dev_priv)
{
struct intel_engine_cs *engine;
lockdep_assert_held(&dev_priv->drm.struct_mutex);
if (dev_priv->gt.active_engines == 0)
return;
GEM_BUG_ON(!dev_priv->gt.awake);
for_each_engine(engine, dev_priv) {
i915_gem_retire_requests_ring(engine);
if (list_empty(&engine->request_list))
dev_priv->gt.active_engines &= ~intel_engine_flag(engine);
}
if (dev_priv->gt.active_engines == 0)
queue_delayed_work(dev_priv->wq,
&dev_priv->gt.idle_work,
msecs_to_jiffies(100));
}
static void
i915_gem_retire_work_handler(struct work_struct *work)
{

35
drivers/gpu/drm/i915/i915_gem_request.c
View File

@ -731,3 +731,38 @@ int i915_wait_request(struct drm_i915_gem_request *req,
return ret;
}
void i915_gem_retire_requests_ring(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;
i915_gem_request_retire(request);
}
}
void i915_gem_retire_requests(struct drm_i915_private *dev_priv)
{
struct intel_engine_cs *engine;
lockdep_assert_held(&dev_priv->drm.struct_mutex);
if (dev_priv->gt.active_engines == 0)
return;
GEM_BUG_ON(!dev_priv->gt.awake);
for_each_engine(engine, dev_priv) {
i915_gem_retire_requests_ring(engine);
if (list_empty(&engine->request_list))
dev_priv->gt.active_engines &= ~intel_engine_flag(engine);
}
if (dev_priv->gt.active_engines == 0)
queue_delayed_work(dev_priv->wq,
&dev_priv->gt.idle_work,
msecs_to_jiffies(100));
}