Now that we have prepare/finish routines for the GEM reset, move the
disabling of the engine->irq_tasklet into them to reduce repetition. The
device irq enable/disable is split out to ensure it is run first and
last always (even if the GPU reset fails).
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.c | 21 ++-------------------
drivers/gpu/drm/i915/i915_gem.c | 7 +++++++
2 files changed, 9 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 4e5ea5898e06..bb747aeb29aa 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1728,22 +1728,6 @@ static int i915_resume_switcheroo(struct drm_device *dev)
return i915_drm_resume(dev);
}
-static void disable_engines_irq(struct drm_i915_private *dev_priv)
-{
- struct intel_engine_cs *engine;
- enum intel_engine_id id;
-
- /* Ensure irq handler finishes, and not run again. */
- disable_irq(dev_priv->drm.irq);
- for_each_engine(engine, dev_priv, id)
- tasklet_kill(&engine->irq_tasklet);
-}
-
-static void enable_engines_irq(struct drm_i915_private *dev_priv)
-{
- enable_irq(dev_priv->drm.irq);
-}
-
/**
* i915_reset - reset chip after a hang
* @dev_priv: device private to reset
@@ -1776,12 +1760,10 @@ void i915_reset(struct drm_i915_private *dev_priv)
error->reset_count++;
pr_notice("drm/i915: Resetting chip after gpu hang\n");
+ disable_irq(dev_priv->drm.irq);
i915_gem_reset_prepare(dev_priv);
- disable_engines_irq(dev_priv);
ret = intel_gpu_reset(dev_priv, ALL_ENGINES);
- enable_engines_irq(dev_priv);
-
if (ret) {
if (ret != -ENODEV)
DRM_ERROR("Failed to reset chip: %i\n", ret);
@@ -1816,6 +1798,7 @@ void i915_reset(struct drm_i915_private *dev_priv)
i915_queue_hangcheck(dev_priv);
wakeup:
+ enable_irq(dev_priv->drm.irq);
wake_up_bit(&error->flags, I915_RESET_IN_PROGRESS);
return;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d4c59b53532e..94450621e6cb 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2631,6 +2631,13 @@ static void reset_request(struct drm_i915_gem_request *request)
void i915_gem_reset_prepare(struct drm_i915_private *dev_priv)
{
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+
+ /* Ensure irq handler finishes, and not run again. */
+ for_each_engine(engine, dev_priv, id)
+ tasklet_kill(&engine->irq_tasklet);
+
i915_gem_revoke_fences(dev_priv);
}
--
2.11.0
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