On Mon, May 23, 2016 at 05:09:41PM +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > SNB (and IVB too I suppose) starts to misbehave if the GPU gets stuck > in an infinite batch buffer loop. The GPU apparently hogs something > critical and CPUs start to lose interrupts and whatnot. We can keep > the system limping along by unmasking some interrupts in > GEN6_PMINTRMSK. The EI up interrupt has been previously chosen for > that task, so let's never mask it. > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_pm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index 29bdd79d9039..576e98744a2d 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -4719,7 +4719,7 @@ void gen6_rps_idle(struct drm_i915_private *dev_priv) > else > gen6_set_rps(dev_priv, dev_priv->rps.idle_freq); > dev_priv->rps.last_adj = 0; > - I915_WRITE(GEN6_PMINTRMSK, 0xffffffff); > + I915_WRITE(GEN6_PMINTRMSK, gen6_rps_pm_mask(dev_priv, ~0)); gen6_sanitize_rps_pm_mask() With that, Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
