[Intel-gfx] ✗ Fi.CI.IGT: failure for Consider DBuf bandwidth when calculating CDCLK (rev18)

Lisovskiy, Stanislav stanislav.lisovskiy at intel.com
Mon May 25 08:00:33 UTC 2020

I have seen those failures in other patches as well, i.e before my patches landed.

Best Regards,

Lisovskiy Stanislav

Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

From: Chris Wilson <chris at chris-wilson.co.uk>
Sent: Saturday, May 23, 2020 2:18:44 AM
To: Lisovskiy, Stanislav; Vudum, Lakshminarayana; intel-gfx at lists.freedesktop.org
Subject: Re: [Intel-gfx]  ✗ Fi.CI.IGT: failure for Consider DBuf bandwidth when calculating CDCLK (rev18)

Quoting Chris Wilson (2020-05-22 23:00:10)
> Quoting Lisovskiy, Stanislav (2020-05-21 10:35:42)
> > Seems to be unrelated issue. There seems to be some list corruption happening in drm fb manipulation code.
> > if those patches would be causing that (like some severe mem corruption)- it would happen much more broadly than single test and single platform. Moreover there is no direct  connection to the changes.
> The fi-glk-dsi failure in module reload is a result of this series.
> Somehow you have angered the i915 pm around snd_hda_intel.
> https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17733/fi-glk-dsi/igt@i915_pm_rpm@module-reload.html

CI says "drm/i915: Adjust CDCLK accordingly to our DBuf bw needs" is the

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