From 951660dcf5d09f7040ab1d56817ae952a1076978 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Thu, 7 Jan 2016 10:29:10 +0200 Subject: [PATCH] drm/i915: shut up gen8+ SDE irq dmesg noise, again We still keep getting [ 4.249930] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! This reverts commit 820da7ae46332fa709b171eb7ba57cbd023fa6df Author: Jani Nikula Date: Wed Nov 25 16:47:23 2015 +0200 Revert "drm/i915: shut up gen8+ SDE irq dmesg noise" which in itself is a revert, so this is just doing commit 97e5ed1111dcc5300a0f59a55248cd243937a8ab Author: Daniel Vetter Date: Fri Oct 23 10:56:12 2015 +0200 drm/i915: shut up gen8+ SDE irq dmesg noise all over again. I'll stop pretending I understand what's going on like I did when I thought I'd fixed this for good in commit 6a39d7c986be4fd18eb019e9cdbf774ec36c9f77 Author: Jani Nikula Date: Wed Nov 25 16:47:22 2015 +0200 drm/i915: fix the SDE irq dmesg warnings properly Reported-by: Chris Wilson Reference: http://mid.gmane.org/20151213124945.GA5715@nuc-i3427.alporthouse.com Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92084 Cc: drm-intel-fixes@lists.freedesktop.org Fixes: 820da7ae4633 ("Revert "drm/i915: shut up gen8+ SDE irq dmesg noise"") Signed-off-by: Jani Nikula [Backported to 4.3.y by Josh Boyer ] --- drivers/gpu/drm/i915/i915_irq.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 39d73dbc1c47..fa7f82d54762 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2168,8 +2168,13 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) I915_WRITE(SDEIIR, pch_iir); ret = IRQ_HANDLED; cpt_irq_handler(dev, pch_iir); - } else - DRM_ERROR("The master control interrupt lied (SDE)!\n"); + } else { + /* + * Like on previous PCH there seems to be something + * fishy going on with forwarding PCH interrupts. + */ + DRM_DEBUG_DRIVER("The master control interrupt lied (SDE)!\n"); + } } -- 2.5.0