There is little point waking up every 10ms to service an interrupt which we then promptly ignore. So only program the the PMIER to enable interrupts for those events which we do handle, not all of them!
Signed-off-by: Chris Wilson <[email protected]> Cc: Jesse Barnes <[email protected]> Cc: Eugeni Dodonov <[email protected]> Cc: Ben Widawsky <[email protected]> --- drivers/gpu/drm/i915/intel_pm.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 0e27e95..53df531 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2491,14 +2491,7 @@ static void gen6_enable_rps(struct drm_device *dev) gen6_set_rps(dev_priv->dev, (gt_perf_status & 0xff00) >> 8); /* requires MSI enabled */ - I915_WRITE(GEN6_PMIER, - GEN6_PM_MBOX_EVENT | - GEN6_PM_THERMAL_EVENT | - GEN6_PM_RP_DOWN_TIMEOUT | - GEN6_PM_RP_UP_THRESHOLD | - GEN6_PM_RP_DOWN_THRESHOLD | - GEN6_PM_RP_UP_EI_EXPIRED | - GEN6_PM_RP_DOWN_EI_EXPIRED); + I915_WRITE(GEN6_PMIER, GEN6_PM_DEFERRED_EVENTS); spin_lock_irq(&dev_priv->rps_lock); WARN_ON(dev_priv->pm_iir != 0); I915_WRITE(GEN6_PMIMR, 0); -- 1.7.10 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
