From c7720e4fbf710541c56626bd7de7357b62ae592d 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 ee9716e880efc3de21bc33c8b907fe086d6c90ed 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 b04c91ecfbed914be0be841cced8d2fa6c50adf4 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 86b89c542983edf88a6c710c7a0f4726d3e25f5b 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: ee9716e880ef ("Revert "drm/i915: shut up gen8+ SDE irq dmesg noise"") Acked-by: Chris Wilson Acked-by: Daniel Vetter Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1452155350-14658-1-git-send-email-jani.nikula@intel.com (cherry picked from commit 2dfb0b816d224379efc534764388745c474abeb4) Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/i915_irq.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 3f8c753997baf..fa8afa7860ae1 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2414,9 +2414,13 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) spt_irq_handler(dev, pch_iir); else 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"); + } } I915_WRITE_FW(GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); -- 2.39.5