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| H A D | i915_irq.c | diff 2dfb0b816d224379efc534764388745c474abeb4 Thu Jan 07 02:29:10 CST 2016 Jani Nikula <jani.nikula@intel.com> 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 <jani.nikula@intel.com>
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 <daniel.vetter@ffwll.ch>
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 <jani.nikula@intel.com>
Date: Wed Nov 25 16:47:22 2015 +0200
drm/i915: fix the SDE irq dmesg warnings properly
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
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"")
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452155350-14658-1-git-send-email-jani.nikula@intel.com
diff ccda3a728f7098523998079e789b8135746bf8a8 Thu Jan 07 02:29:10 CST 2016 Jani Nikula <jani.nikula@intel.com> 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 <jani.nikula@intel.com>
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 <daniel.vetter@ffwll.ch>
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 <jani.nikula@intel.com>
Date: Wed Nov 25 16:47:22 2015 +0200
drm/i915: fix the SDE irq dmesg warnings properly
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
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"")
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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 <jani.nikula@intel.com>
diff 6a39d7c986be4fd18eb019e9cdbf774ec36c9f77 Wed Nov 25 08:47:22 CST 2015 Jani Nikula <jani.nikula@intel.com> drm/i915: fix the SDE irq dmesg warnings properly
We had the "The master control interrupt lied (SDE)!" check and error
message in place for a long time without any problems, until
commit aaf5ec2e51ab1d9c5e962b4728a1107ed3ff7a3e
Author: Sonika Jindal <sonika.jindal@intel.com>
Date: Wed Jul 8 17:07:47 2015 +0530
drm/i915: Handle HPD when it has actually occurred
caused the errors to start happening. This was bisected and reported,
but the error message was silenced in
commit 97e5ed1111dcc5300a0f59a55248cd243937a8ab
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Oct 23 10:56:12 2015 +0200
drm/i915: shut up gen8+ SDE irq dmesg noise
shooting the messenger while the debugging for why Sonika's commit
triggered the errors was still in progress.
It looks like we need to read and acknowledge the PCH_PORT_HOTPLUG
register even though the hotplug trigger indicates there isn't a hotplug
irq to handle. The PCH doesn't seem to really ack the the interrupt to
the CPU unless we touch the hotplug register.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Sonika Jindal <sonika.jindal@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92084
Fixes: aaf5ec2e51ab ("drm/i915: Handle HPD when it has actually occurred")
[Jani: added a comment and amended the commit message while applying]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1448462843-32739-1-git-send-email-jani.nikula@intel.com
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