Bug 108473 - [CI][SHARDS] igt@* - dmesg-warn - *ERROR* DPCD write failed at
Summary: [CI][SHARDS] igt@* - dmesg-warn - *ERROR* DPCD write failed at
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: high normal
Assignee: Swati Sharma
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: ReadyForDev
Keywords:
Depends on:
Blocks:
 
Reported: 2018-10-17 12:23 UTC by Martin Peres
Modified: 2019-01-16 09:35 UTC (History)
2 users (show)

See Also:
i915 platform: KBL
i915 features: display/LSPCON


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Description Martin Peres 2018-10-17 12:23:52 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4995/shard-kbl2/igt@kms_atomic_interruptible@legacy-cursor.html

<7> [159.524584] [drm:lspcon_wait_mode [i915]] Current LSPCON mode PCON
<7> [159.525228] [drm:intel_dp_start_link_train [i915]] Using LINK_BW_SET value 14
<7> [159.525603] [drm:intel_dp_set_signal_levels [i915]] Using signal levels 00000000
<7> [159.525638] [drm:intel_dp_set_signal_levels [i915]] Using vswing level 0
<7> [159.525672] [drm:intel_dp_set_signal_levels [i915]] Using pre-emphasis level 0
<7> [159.525708] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
<7> [159.544585] [drm:intel_dp_start_link_train [i915]] clock recovery OK
<7> [159.544628] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS3
<7> [159.562436] [drm:intel_dp_start_link_train [i915]] Channel EQ done. DP Training successful
<7> [159.562543] [drm:intel_dp_start_link_train [i915]] [CONNECTOR:83:DP-1] Link Training Passed at Link Rate = 540000, Lane count = 1
<7> [159.608330] [drm:drm_dp_dpcd_access] Too many retries, giving up. First error: -5
<7> [159.693450] [drm:drm_dp_dpcd_access] Too many retries, giving up. First error: -5
<7> [159.778304] [drm:drm_dp_dpcd_access] Too many retries, giving up. First error: -5
<7> [159.863610] [drm:drm_dp_dpcd_access] Too many retries, giving up. First error: -5
<7> [159.948642] [drm:drm_dp_dpcd_access] Too many retries, giving up. First error: -5
<3> [159.948712] [drm:lspcon_write_infoframe [i915]] *ERROR* DPCD write failed at:0x5cb
<3> [159.948780] [drm:lspcon_write_infoframe [i915]] *ERROR* Failed to write AVI infoframes
<7> [159.949852] [drm:intel_enable_pipe [i915]] enabling pipe A
Comment 1 Lakshmi 2018-11-25 19:52:51 UTC
Another occurrence, I believe this failure will fit in to this bug if not a new bug report need to be filed.
  
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4724/shard-kbl4/igt@kms_cursor_crc@cursor-256x256-suspend.html
Comment 2 Martin Peres 2018-11-27 10:01:04 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4729/fi-kbl-7567u/igt@kms_chamelium@common-hpd-after-suspend.html

<3> [224.966542] [drm:lspcon_write_infoframe [i915]] *ERROR* DPCD write failed at:0x5c0
<3> [224.966567] [drm:lspcon_write_infoframe [i915]] *ERROR* Failed to write AVI infoframes
Comment 3 Lakshmi 2018-11-29 11:49:38 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_149/fi-kbl-7567u/igt@kms_chamelium@hdmi-hpd-after-suspend.html

Dmesg-Warnings	
<3> [213.952074] [drm:lspcon_write_infoframe [i915]] *ERROR* DPCD write failed at:0x5c0
<3> [213.952127] [drm:lspcon_write_infoframe [i915]] *ERROR* Failed to write AVI infoframes
Comment 4 CI Bug Log 2018-12-31 12:26:44 UTC
A CI Bug Log filter associated to this bug has been updated:

{- KBL: random tests - dmesg-warn - *ERROR* DPCD write failed at -}
{+ KBL: random tests - dmesg-warn - *ERROR* DPCD write failed at +}

New failures caught by the filter:

* https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4755/shard-kbl4/igt@i915_suspend@forcewake.html
Comment 5 Swati Sharma 2019-01-08 18:57:03 UTC
Reported this bug to MCA, MCA agreed to make changes to f/w. Once test f/w binary is released and tested, official update can be made after thorough validation.
Comment 6 CI Bug Log 2019-01-11 14:32:02 UTC
A CI Bug Log filter associated to this bug has been updated:

{- KBL: random tests - dmesg-warn - *ERROR* DPCD write failed at -}
{+ LSPCON: random tests - dmesg-warn - *ERROR* DPCD write failed at +}

New failures caught by the filter:

* https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5396/fi-apl-guc/igt@kms_flip@basic-flip-vs-dpms.html
Comment 7 Jani Saarinen 2019-01-16 09:35:38 UTC
to test new fw fi-kbl-7567u LSPcon has been updated to 1.75.01


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