summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c7
-rw-r--r--drivers/gpu/drm/i915/i915_gem_request.c2
-rw-r--r--drivers/gpu/drm/i915/intel_breadcrumbs.c11
-rw-r--r--drivers/gpu/drm/i915/intel_hangcheck.c7
4 files changed, 6 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 062b21408698..63308ec016a3 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3322,16 +3322,15 @@ i915_gem_retire_work_handler(struct work_struct *work)
mutex_unlock(&dev->struct_mutex);
}
- /* Keep the retire handler running until we are finally idle.
+ /*
+ * Keep the retire handler running until we are finally idle.
* We do not need to do this test under locking as in the worst-case
* we queue the retire worker once too often.
*/
- if (READ_ONCE(dev_priv->gt.awake)) {
- i915_queue_hangcheck(dev_priv);
+ if (READ_ONCE(dev_priv->gt.awake))
queue_delayed_work(dev_priv->wq,
&dev_priv->gt.retire_work,
round_jiffies_up_relative(HZ));
- }
}
static void shrink_caches(struct drm_i915_private *i915)
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index 0a890ef4c420..cf2f3895b70e 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -285,6 +285,8 @@ static void mark_busy(struct drm_i915_private *i915)
intel_engines_unpark(i915);
+ i915_queue_hangcheck(i915);
+
queue_delayed_work(i915->wq,
&i915->gt.retire_work,
round_jiffies_up_relative(HZ));
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
index 86acac010bb8..62b2a20bc24e 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
@@ -149,17 +149,6 @@ static void intel_breadcrumbs_fake_irq(struct timer_list *t)
return;
mod_timer(&b->fake_irq, jiffies + 1);
-
- /* Ensure that even if the GPU hangs, we get woken up.
- *
- * However, note that if no one is waiting, we never notice
- * a gpu hang. Eventually, we will have to wait for a resource
- * held by the GPU and so trigger a hangcheck. In the most
- * pathological case, this will be upon memory starvation! To
- * prevent this, we also queue the hangcheck from the retire
- * worker.
- */
- i915_queue_hangcheck(engine->i915);
}
static void irq_enable(struct intel_engine_cs *engine)
diff --git a/drivers/gpu/drm/i915/intel_hangcheck.c b/drivers/gpu/drm/i915/intel_hangcheck.c
index 31f01d64c021..348a4f7ffb67 100644
--- a/drivers/gpu/drm/i915/intel_hangcheck.c
+++ b/drivers/gpu/drm/i915/intel_hangcheck.c
@@ -411,7 +411,6 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
struct intel_engine_cs *engine;
enum intel_engine_id id;
unsigned int hung = 0, stuck = 0;
- int busy_count = 0;
if (!i915_modparams.enable_hangcheck)
return;
@@ -429,7 +428,6 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
intel_uncore_arm_unclaimed_mmio_detection(dev_priv);
for_each_engine(engine, dev_priv, id) {
- const bool busy = intel_engine_has_waiter(engine);
struct intel_engine_hangcheck hc;
semaphore_clear_deadlocks(dev_priv);
@@ -443,16 +441,13 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
if (hc.action != ENGINE_DEAD)
stuck |= intel_engine_flag(engine);
}
-
- busy_count += busy;
}
if (hung)
hangcheck_declare_hang(dev_priv, hung, stuck);
/* Reset timer in case GPU hangs without another request being added */
- if (busy_count)
- i915_queue_hangcheck(dev_priv);
+ i915_queue_hangcheck(dev_priv);
}
void intel_engine_init_hangcheck(struct intel_engine_cs *engine)