Re: [Intel-gfx] ✗ Fi.CI.IGT: failure for drm/i915/dmc: Do not try loading wrong DMC version

["Vudum, Lakshminarayana" <lakshminarayana.vudum@intel.com>]

Re-reported after addressing all the failures. See below for bug id's.

-----Original Message-----
From: De Marchi, Lucas <lucas.demarchi@intel.com> 
Sent: Friday, February 25, 2022 8:05 AM
To: intel-gfx@lists.freedesktop.org
Cc: Vudum, Lakshminarayana <lakshminarayana.vudum@intel.com>
Subject: Re: ✗ Fi.CI.IGT: failure for drm/i915/dmc: Do not try loading wrong DMC version

On Fri, Feb 25, 2022 at 08:47:05AM +0000, Patchwork wrote:
>== Series Details ==
>
>Series: drm/i915/dmc: Do not try loading wrong DMC version
>URL   : https://patchwork.freedesktop.org/series/100664/
>State : failure
>
>== Summary ==
>
>CI Bug Log - changes from CI_DRM_11279_full -> Patchwork_22393_full 
>====================================================
>
>Summary
>-------
>
>  **FAILURE**
>
>  Serious unknown changes coming with Patchwork_22393_full absolutely 
> need to be  verified manually.
>
>  If you think the reported changes have nothing to do with the changes  
> introduced in Patchwork_22393_full, please notify your bug team to 
> allow them  to document this new failure mode, which will reduce false positives in CI.
>
>
>
>Participating hosts (11 -> 11)
>------------------------------
>
>  No changes in participating hosts
>
>Possible new issues
>-------------------
>
>  Here are the unknown changes that may have been introduced in Patchwork_22393_full:
>
>### IGT changes ###
>
>#### Possible regressions ####
>
>  * igt@gem_eio@in-flight-suspend:
>    - shard-skl:          [PASS][1] -> [INCOMPLETE][2]
>   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11279/shard-skl8/igt@gem_eio@in-flight-suspend.html
>   [2]: 
> https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_22393/shard-skl6/ig
> t@gem_eio@in-flight-suspend.html
>
Lakshmi: This is related to https://gitlab.freedesktop.org/drm/intel/-/issues/4843
igt@gem_eio@in-flight-suspend - incomplete - PM: suspend entry (deep)

>  * igt@kms_flip@busy-flip@a-hdmi-a1:
>    - shard-glk:          [PASS][3] -> [FAIL][4]
>   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11279/shard-glk1/igt@kms_flip@busy-flip@a-hdmi-a1.html
>   [4]: 
> https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_22393/shard-glk8/ig
> t@kms_flip@busy-flip@a-hdmi-a1.html

this could only be a regression if it was in another display_ver == 12.
Those are not.
Lakshmi: This is related to
 https://gitlab.freedesktop.org/drm/intel/-/issues/4628
igt@kms_flip@busy-flip@.* - fail - Failed assertion: do_page_flip(o, new_fb_id, 0) == -16,error: 0 != -16
>
>
>#### Warnings ####
>
>  * igt@i915_pm_dc@dc3co-vpb-simulation:
>    - shard-skl:          [SKIP][5] ([fdo#109271] / [i915#658]) -> [INCOMPLETE][6]
>   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11279/shard-skl10/igt@i915_pm_dc@dc3co-vpb-simulation.html
>   [6]: 
> https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_22393/shard-skl6/ig
> t@i915_pm_dc@dc3co-vpb-simulation.html
>
>
>#### Suppressed ####
>
>  The following results come from untrusted machines, tests, or statuses.
>  They do not affect the overall result.
>
>  * igt@kms_plane@plane-panning-bottom-right-suspend@pipe-b-planes:
>    - {shard-tglu}:       NOTRUN -> [DMESG-WARN][7] +1 similar issue
>   [7]: 
> https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_22393/shard-tglu-1/
> igt@kms_plane@plane-panning-bottom-right-suspend@pipe-b-planes.html

this one woruld be suspicious, but the DMC issue there is caused by an earlier error. Checking another run for this same machine, both are loading the same DMC:

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11276/shard-tglu-1/boot9.txt
<7>[    6.100322] i915 0000:00:02.0: [drm:intel_dmc_ucode_init [i915]] Loading i915/tgl_dmc_ver2_12.bin
<7>[    6.101182] i915 0000:00:02.0: [drm:intel_fbc_init [i915]] Sanitized enable_fbc value: 1
<7>[    6.102264] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM0 latency 3 (3.0 usec)
<7>[    6.102480] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM1 latency 54 (54.0 usec)
<7>[    6.102592] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM2 latency 54 (54.0 usec)
<7>[    6.102712] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM3 latency 54 (54.0 usec)
<7>[    6.102820] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM4 latency 54 (54.0 usec)
<7>[    6.102977] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM5 latency 73 (73.0 usec)
<7>[    6.103040] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM6 latency 110 (110.0 usec)
<7>[    6.103176] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM7 latency 115 (115.0 usec)
<6>[    6.104018] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/tgl_dmc_ver2_12.bin (v2.12)

and https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_22393/shard-tglu-1/boot16.txt
<7>[    6.108031] i915 0000:00:02.0: [drm:intel_dmc_ucode_init [i915]] Loading i915/tgl_dmc_ver2_12.bin
<7>[    6.109333] i915 0000:00:02.0: [drm:intel_fbc_init [i915]] Sanitized enable_fbc value: 1
<7>[    6.110644] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM0 latency 3 (3.0 usec)
<7>[    6.111192] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM1 latency 54 (54.0 usec)
<7>[    6.111311] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM2 latency 54 (54.0 usec)
<6>[    6.111481] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/tgl_dmc_ver2_12.bin (v2.12)
<7>[    6.111479] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM3 latency 54 (54.0 usec

Can't be caused by this series.

Lakshmi: This is related to https://gitlab.freedesktop.org/drm/intel/-/issues/5122
Few tests - dmesg-warn/incomplete - i915 raw-wakerefs=1 wakelocks=1 on cleanup, WARNING: .* at drivers/gpu/drm/i915/intel_runtime_pm.c:\d+ intel_runtime_pm_driver_release
Lucas De Marchi