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drm/i915: Eliminate PORT_HOTPLUG_EN setup from gen3/4 irq_postinstall 

We've already cleared PORT_HOTPLUG_EN in the .irq_preinstall hook
so doing it again in the .irq_postinstall is pointless.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170818183705.27850-8-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2017-08-18 21:36:56 +03:00
parent 045cebd2e4
commit e13924a8c2
1 changed files with 0 additions and 6 deletions
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6
drivers/gpu/drm/i915/i915_irq.c
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@ -3761,9 +3761,6 @@ static int i915_irq_postinstall(struct drm_device *dev)
I915_USER_INTERRUPT;
if (I915_HAS_HOTPLUG(dev_priv)) {
i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0);
POSTING_READ(PORT_HOTPLUG_EN);
/* Enable in IER... */
enable_mask |= I915_DISPLAY_PORT_INTERRUPT;
/* and unmask in IMR */
@ -3960,9 +3957,6 @@ static int i965_irq_postinstall(struct drm_device *dev)
GEN3_IRQ_INIT(, dev_priv->irq_mask, enable_mask);
i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0);
POSTING_READ(PORT_HOTPLUG_EN);
i915_enable_asle_pipestat(dev_priv);
return 0;