From e13924a8c2d32dc86d25771acc484e5f63426bda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 18 Aug 2017 21:36:56 +0300
Subject: [PATCH] drm/i915: Eliminate PORT_HOTPLUG_EN setup from gen3/4 irq_postinstall
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Git-commit: e13924a8c2d32dc86d25771acc484e5f63426bda
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900
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
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/i915_irq.c | 6 ------
1 file changed, 6 deletions(-)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3758,9 +3758,6 @@ static int i915_irq_postinstall(struct d
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 */
@@ -3957,9 +3954,6 @@ static int i965_irq_postinstall(struct d
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;