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drm/i915: unify gen6/gen8 rps irq handler 

After the previous patch the GEN8 RPS handler became very similar to the
GEN6 version, so unify the two functions.

No functional change.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Move one misplaced hunk from a later patch to fix a bisect
issue as reported by Wu Fengguang's 0-day builder and fix suggested by
Imre.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Imre Deak 2014-11-05 20:48:37 +02:00 committed by Daniel Vetter
parent a72fbc3a14
commit c9a9a26882
1 changed files with 6 additions and 14 deletions
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20
drivers/gpu/drm/i915/i915_irq.c
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@ -138,6 +138,8 @@ static const u32 hpd_status_i915[] = { /* i915 and valleyview are the same */
POSTING_READ(type##IMR); \
} while (0)
static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir);
/* For display hotplug interrupt */
void
ironlake_enable_display_irq(struct drm_i915_private *dev_priv, u32 mask)
@ -1286,19 +1288,6 @@ static void snb_gt_irq_handler(struct drm_device *dev,
ivybridge_parity_error_irq_handler(dev, gt_iir);
}
static void gen8_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir)
{
if ((pm_iir & dev_priv->pm_rps_events) == 0)
return;
spin_lock(&dev_priv->irq_lock);
dev_priv->rps.pm_iir |= pm_iir & dev_priv->pm_rps_events;
gen6_disable_pm_irq(dev_priv, pm_iir & dev_priv->pm_rps_events);
spin_unlock(&dev_priv->irq_lock);
queue_work(dev_priv->wq, &dev_priv->rps.work);
}
static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev,
struct drm_i915_private *dev_priv,
u32 master_ctl)
@ -1360,7 +1349,7 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev,
I915_WRITE(GEN8_GT_IIR(2),
tmp & dev_priv->pm_rps_events);
ret = IRQ_HANDLED;
gen8_rps_irq_handler(dev_priv, tmp);
gen6_rps_irq_handler(dev_priv, tmp);
} else
DRM_ERROR("The master control interrupt lied (PM)!\n");
}
@ -1669,6 +1658,9 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir)
queue_work(dev_priv->wq, &dev_priv->rps.work);
}
if (INTEL_INFO(dev_priv)->gen >= 8)
return;
if (HAS_VEBOX(dev_priv->dev)) {
if (pm_iir & PM_VEBOX_USER_INTERRUPT)
notify_ring(dev_priv->dev, &dev_priv->ring[VECS]);