On Fri, 19 Jun 2015, Daniel Vetter <daniel.vet...@ffwll.ch> wrote: > We've never figured out the magic trick to make irq vs. seqno > updates coherent, only tricks to make it work. And since > > commit 094f9a54e35500739da185cdb78f2e92fc379458 > Author: Chris Wilson <ch...@chris-wilson.co.uk> > Date: Wed Sep 25 17:34:55 2013 +0100 > > drm/i915: Fix __wait_seqno to use true infinite timeouts > > we automatically fall back to an irq augmented with polling scheme > after the first missed interrupt. There's really nothing else we can > do, hence tune down the message to informational level. It's still > useful for users in case it reliable preceedes a hard system hang. > > v2: Use NOTICE since it might be of value for bug reports (Chris). > > Cc: Mark Janes <mark.a.ja...@intel.com> > Cc: Chris Wilson <ch...@chris-wilson.co.uk> > Cc: stable@vger.kernel.org > Signed-off-by: Daniel Vetter <daniel.vet...@intel.com> > --- > drivers/gpu/drm/i915/i915_irq.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c > index e6bb72dca3ff..5072fb49367e 100644 > --- a/drivers/gpu/drm/i915/i915_irq.c > +++ b/drivers/gpu/drm/i915/i915_irq.c > @@ -2946,8 +2946,8 @@ static void i915_hangcheck_elapsed(struct work_struct > *work) > /* Issue a wake-up to catch stuck h/w. > */ > if (!test_and_set_bit(ring->id, > &dev_priv->gpu_error.missed_irq_rings)) { > if > (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(ring))) > - DRM_ERROR("Hangcheck > timer elapsed... %s idle\n", > - ring->name); > + DRM_NOTICE("Hangcheck > timer elapsed... %s idle\n",
drivers/gpu/drm/i915/i915_irq.c: In function ‘i915_hangcheck_elapsed’: drivers/gpu/drm/i915/i915_irq.c:2949:8: error: implicit declaration of function ‘DRM_NOTICE’ [-Werror=implicit-function-declaration] DRM_NOTICE("Hangcheck timer elapsed... %s idle\n", ^ BR, Jani. > + ring->name); > else > DRM_INFO("Fake missed > irq on %s\n", > ring->name); > -- > 2.1.4 > > _______________________________________________ > Intel-gfx mailing list > intel-...@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html