drm/i915: don't prevent CPU idle states

Commit 9ee32fea5f unconditionally prevents the CPU from entering idle states
until intel_dp_aux_ch completes for the first time, which never happens on my
DisplayPort-less intel gfx, causing the CPU to get rather hot.

Signed-off-by: Tomas Janousek <tomi@nomi.cz>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2e1d80de6ccc440b2d2498cacb421200f255770d..914ecf4acfa62aea3fe6a0b9c21b1f511de81f6e 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2732,7 +2732,7 @@ void intel_irq_init(struct drm_device *dev)
        setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed,
                    (unsigned long) dev);
 
-       pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY, 0);
+       pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE);
 
        dev->driver->get_vblank_counter = i915_get_vblank_counter;
        dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */