Bug 107708

Warning suppressed,

commit 4fea665b29622baf1692e7f949fcfb8ed993fa36
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Aug 31 14:56:48 2018 +0100

    lib/pm: Squelch warning for failing to enable audio powermanagement

(In reply to Chris Wilson from comment #1)
> Warning suppressed,
> 
> commit 4fea665b29622baf1692e7f949fcfb8ed993fa36
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date:   Fri Aug 31 14:56:48 2018 +0100
> 
>     lib/pm: Squelch warning for failing to enable audio powermanagement

This definitely reduced the occurence rate of this issue, but we still got one of these:

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4633/fi-glk-j4005/igt@pm_rpm@module-reload.html

(pm_rpm:4048) CRITICAL: Test assertion failure function assert_drm_connectors_equal, file ../tests/pm_rpm.c:507:
(pm_rpm:4048) CRITICAL: Failed assertion: c1->count_modes == c2->count_modes
(pm_rpm:4048) CRITICAL: error: 40 != 41
Subtest module-reload failed.
**** DEBUG ****
(pm_rpm:4048) DEBUG: Reload w/o display
(pm_rpm:4048) igt_kmod-DEBUG: Could not remove module drm_kms_helper (No such file or directory)
(pm_rpm:4048) igt_kmod-DEBUG: Could not remove module drm (No such file or directory)
(pm_rpm:4048) igt_kmod-INFO: Reloading i915 with disable_display=1 mmio_debug=-1

(pm_rpm:4048) DEBUG: Test requirement passed: drm_fd != -1
(pm_rpm:4048) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(pm_rpm:4048) DEBUG: Test requirement passed: debugfs != -1
(pm_rpm:4048) igt_kms-DEBUG: VT: graphics mode set (mode was 0x1)
(pm_rpm:4048) igt_pm-DEBUG: Failed to enable audio runtime PM! (3)

Closing anyways because it is so different than the original bug and this issue is anyway covered by https://bugs.freedesktop.org/show_bug.cgi?id=104767.

(In reply to Martin Peres from comment #2)
> This definitely reduced the occurence rate of this issue, but we still got
> one of these:
> 
> https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4633/fi-glk-j4005/
> igt@pm_rpm@module-reload.html
> 
> (pm_rpm:4048) CRITICAL: Test assertion failure function
> assert_drm_connectors_equal, file ../tests/pm_rpm.c:507:
> (pm_rpm:4048) CRITICAL: Failed assertion: c1->count_modes == c2->count_modes
> (pm_rpm:4048) CRITICAL: error: 40 != 41

> Closing anyways because it is so different than the original bug and this
> issue is anyway covered by
> https://bugs.freedesktop.org/show_bug.cgi?id=104767.

I haven't even worked out what that test is trying to tell us. If it is just the number of modes, why should they remain constant across runtime-pm; it all depends on the external state coupled with how upset our HW is!