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drm/i915: hangcheck disable parameter

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Provide a parameter to disable hanghcheck. This is useful mostly for
developers trying to debug known problems, and probably should not be
touched by normal users.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Ben Widawsky
2011-06-29 10:26:42 -07:00
committed by Keith Packard
parent 23b2f8bb92
commit 3e0dc6b01f
4 changed files with 18 additions and 6 deletions
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7
drivers/gpu/drm/i915/i915_gem.c
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@@ -1779,8 +1779,11 @@ i915_add_request(struct intel_ring_buffer *ring,
ring->outstanding_lazy_request = false;
if (!dev_priv->mm.suspended) {
mod_timer(&dev_priv->hangcheck_timer,
jiffies + msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
if (i915_enable_hangcheck) {
mod_timer(&dev_priv->hangcheck_timer,
jiffies +
msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
}
if (was_empty)
queue_delayed_work(dev_priv->wq,
&dev_priv->mm.retire_work, HZ);