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drm/i915: Unconditionally initialise the interrupt workers 

Rather than duplicate similar code across the IRQ installers, perform
the initialisation of the workers upfront. This will lead to simpler
teardown and quiescent code as we can assume that the workers have
been initialised.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2012-04-24 22:59:41 +01:00 committed by Daniel Vetter
parent cd9d4e9f9f
commit 8b2e326dc7
1 changed files with 6 additions and 10 deletions
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16
drivers/gpu/drm/i915/i915_irq.c
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@ -2004,10 +2004,6 @@ static void ironlake_irq_preinstall(struct drm_device *dev)
atomic_set(&dev_priv->irq_received, 0);
INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
INIT_WORK(&dev_priv->error_work, i915_error_work_func);
if (IS_GEN6(dev) || IS_IVYBRIDGE(dev))
INIT_WORK(&dev_priv->rps_work, gen6_pm_rps_work);
I915_WRITE(HWSTAM, 0xeffe);
@ -2035,9 +2031,6 @@ static void valleyview_irq_preinstall(struct drm_device *dev)
atomic_set(&dev_priv->irq_received, 0);
INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
INIT_WORK(&dev_priv->error_work, i915_error_work_func);
/* VLV magic */
I915_WRITE(VLV_IMR, 0);
I915_WRITE(RING_IMR(RENDER_RING_BASE), 0);
@ -2306,9 +2299,6 @@ static void i915_driver_irq_preinstall(struct drm_device * dev)
atomic_set(&dev_priv->irq_received, 0);
INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
INIT_WORK(&dev_priv->error_work, i915_error_work_func);
if (I915_HAS_HOTPLUG(dev)) {
I915_WRITE(PORT_HOTPLUG_EN, 0);
I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
@ -2625,6 +2615,12 @@ static void i8xx_irq_uninstall(struct drm_device * dev)
void intel_irq_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
INIT_WORK(&dev_priv->error_work, i915_error_work_func);
INIT_WORK(&dev_priv->rps_work, gen6_pm_rps_work);
dev->driver->get_vblank_counter = i915_get_vblank_counter;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
if (IS_G4X(dev) || IS_GEN5(dev) || IS_GEN6(dev) || IS_IVYBRIDGE(dev) ||