[Intel-gfx] [PATCH 2/2] drm/i915: shut up gen8+ SDE irq dmesg noise

[Daniel Vetter]

On Tue, Oct 27, 2015 at 1:10 AM, Jani Nikula
<jani.nikula at linux.intel.com> wrote:
> On Tue, 27 Oct 2015, Daniel Vetter <daniel at ffwll.ch> wrote:
>> On Fri, Oct 23, 2015 at 8:22 AM, Ville Syrjälä
>> <ville.syrjala at linux.intel.com> wrote:
>>> The regressing patch change didn't add the message, so there was a clear
>>> change in behaviour, and now it's papered over.
>>
>> It did move around the DRM_ERROR for all the others and also added the
>> SDE one for consistency. At least that's how I read that patch - I
>> could't find the SDE DRM_ERROR in the old code. Did I miss something?
>
> Yes. We tried and failed to point out that this is a bisected regression
> with a bug report. The bad commit is *NOT* when the error message was
> added or moved. The first bad commit is
>
> commit aaf5ec2e51ab1d9c5e962b4728a1107ed3ff7a3e
> Author: Sonika Jindal <sonika.jindal at intel.com>
> Date:   Wed Jul 8 17:07:47 2015 +0530
>
>     drm/i915: Handle HPD when it has actually occurred
>
> which triggers printing of the error message. This is all mentioned in
> the bug, along with a few attempts at remedying the situation.

Oops, I pasted the wrong commit into the commit message :( Sorry for
all the confusion and me not noticing the real bisect result.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch