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i915 no flicker

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Dec 5th, 2015
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  1. Dec 5 14:56:21 chrome kernel: [ 1022.229571] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=187/937
  2. Dec 5 14:56:21 chrome kernel: [ 1022.229576] [drm:intel_panel_actually_set_backlight] set backlight PWM = 187
  3. Dec 5 14:56:58 chrome kernel: [ 1059.865768] [drm:intel_backlight_device_update_status] updating intel_backlight, brightness=600/937
  4. Dec 5 14:56:58 chrome kernel: [ 1059.865773] [drm:intel_panel_actually_set_backlight] set backlight PWM = 600
  5. Dec 5 14:57:09 chrome kernel: [ 1070.690104] [drm:intel_edp_backlight_off]
  6. Dec 5 14:57:09 chrome kernel: [ 1070.742834] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0
  7. Dec 5 14:57:09 chrome kernel: [ 1070.757620] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
  8. Dec 5 14:57:09 chrome kernel: [ 1070.757632] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b
  9. Dec 5 14:57:09 chrome kernel: [ 1070.757832] [drm:edp_panel_off] Turn eDP port A panel power off
  10. Dec 5 14:57:09 chrome kernel: [ 1070.757841] [drm:wait_panel_off] Wait for panel power off time
  11. Dec 5 14:57:09 chrome kernel: [ 1070.757846] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000
  12. Dec 5 14:57:09 chrome kernel: [ 1070.811246] [drm:wait_panel_status] Wait complete
  13. Dec 5 14:57:09 chrome kernel: [ 1070.811263] [drm:intel_display_power_put] disabling always-on
  14. Dec 5 14:57:09 chrome kernel: [ 1070.811270] [drm:check_encoder_state] [ENCODER:31:TMDS-31]
  15. Dec 5 14:57:09 chrome kernel: [ 1070.811273] [drm:check_encoder_state] [ENCODER:39:TMDS-39]
  16. Dec 5 14:57:09 chrome kernel: [ 1070.811275] [drm:check_encoder_state] [ENCODER:41:DP MST-41]
  17. Dec 5 14:57:09 chrome kernel: [ 1070.811277] [drm:check_encoder_state] [ENCODER:42:DP MST-42]
  18. Dec 5 14:57:09 chrome kernel: [ 1070.811278] [drm:check_encoder_state] [ENCODER:43:DP MST-43]
  19. Dec 5 14:57:09 chrome kernel: [ 1070.811280] [drm:check_crtc_state] [CRTC:21]
  20. Dec 5 14:57:09 chrome kernel: [ 1070.811283] [drm:check_crtc_state] [CRTC:25]
  21. Dec 5 14:57:09 chrome kernel: [ 1070.811285] [drm:check_crtc_state] [CRTC:29]
  22. Dec 5 14:57:09 chrome kernel: [ 1070.811287] [drm:check_shared_dpll_state] WRPLL 1
  23. Dec 5 14:57:09 chrome kernel: [ 1070.811289] [drm:check_shared_dpll_state] WRPLL 2
  24. Dec 5 14:57:20 chrome kernel: [ 1082.034279] [drm:intel_runtime_suspend] Suspending device
  25. Dec 5 14:57:20 chrome kernel: [ 1082.034488] [drm:hsw_enable_pc8] Enabling package C8+
  26. Dec 5 14:57:20 chrome kernel: [ 1082.034537] [drm:intel_runtime_suspend] Device suspended
  27. Dec 5 14:57:27 chrome kernel: [ 1088.152073] [drm:intel_runtime_resume] Resuming device
  28. Dec 5 14:57:27 chrome kernel: [ 1088.152078] [drm:hsw_disable_pc8] Disabling package C8+
  29. Dec 5 14:57:27 chrome kernel: [ 1088.152080] ------------[ cut here ]------------
  30. Dec 5 14:57:27 chrome kernel: [ 1088.152107] WARNING: CPU: 1 PID: 673 at /build/linux-26_gwp/linux-4.2.0/drivers/gpu/drm/i915/intel_uncore.c:620 hsw_unclaimed_reg_debug+0x6d/0x90 [i915]()
  31. Dec 5 14:57:27 chrome kernel: [ 1088.152109] Unclaimed register detected before reading register 0x130040
  32. Dec 5 14:57:27 chrome kernel: [ 1088.152111] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c drbg ansi_cprng ctr ccm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic arc4 snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep joydev snd_pcm intel_rapl iosf_mbi x86_pkg_temp_thermal snd_seq_midi intel_powerclamp snd_seq_midi_event iwlmvm coretemp mac80211 snd_rawmidi uvcvideo kvm_intel snd_seq videobuf2_vmalloc videobuf2_memops kvm videobuf2_core iwlwifi snd_seq_device crct10dif_pclmul snd_timer crc32_pclmul v4l2_common videodev btusb cryptd media cfg80211 snd btrtl btbcm input_leds serio_raw btintel bluetooth shpchp lpc_ich soundcore dw_dmac 8250_fintek tpm_infineon elan_i2c dw_dmac_core snd_soc_sst_acpi 8250_dw i2c_designware_platform i2c_designware_core spi_pxa2xx_platform mac_hid autofs4 i915 video ahci libahci i2c_algo_bit drm_kms_helper sdhci_acpi sdhci drm
  33. Dec 5 14:57:27 chrome kernel: [ 1088.152176] CPU: 1 PID: 673 Comm: Xorg Not tainted 4.2.0-19-generic #23-Ubuntu
  34. Dec 5 14:57:27 chrome kernel: [ 1088.152178] Hardware name: GOOGLE Auron_Paine, BIOS 01/12/2015
  35. Dec 5 14:57:27 chrome kernel: [ 1088.152179] 0000000000000000 000000008211ab7f ffff8801762e38c8 ffffffff817e93f9
  36. Dec 5 14:57:27 chrome kernel: [ 1088.152183] 0000000000000000 ffff8801762e3920 ffff8801762e3908 ffffffff8107b3d6
  37. Dec 5 14:57:27 chrome kernel: [ 1088.152186] 0000000000000246 ffff880176090000 0000000000130040 ffff880035954800
  38. Dec 5 14:57:27 chrome kernel: [ 1088.152189] Call Trace:
  39. Dec 5 14:57:27 chrome kernel: [ 1088.152195] [<ffffffff817e93f9>] dump_stack+0x45/0x57
  40. Dec 5 14:57:27 chrome kernel: [ 1088.152200] [<ffffffff8107b3d6>] warn_slowpath_common+0x86/0xc0
  41. Dec 5 14:57:27 chrome kernel: [ 1088.152203] [<ffffffff8107b465>] warn_slowpath_fmt+0x55/0x70
  42. Dec 5 14:57:27 chrome kernel: [ 1088.152223] [<ffffffffc014614d>] hsw_unclaimed_reg_debug+0x6d/0x90 [i915]
  43. Dec 5 14:57:27 chrome kernel: [ 1088.152240] [<ffffffffc01485f9>] gen6_read32+0x59/0x180 [i915]
  44. Dec 5 14:57:27 chrome kernel: [ 1088.152260] [<ffffffffc016acc6>] hsw_disable_pc8+0x36/0x2a0 [i915]
  45. Dec 5 14:57:27 chrome kernel: [ 1088.152271] [<ffffffffc00f8053>] intel_runtime_resume+0x93/0x1e0 [i915]
  46. Dec 5 14:57:27 chrome kernel: [ 1088.152276] [<ffffffff8141490f>] pci_pm_runtime_resume+0x7f/0xb0
  47. Dec 5 14:57:27 chrome kernel: [ 1088.152280] [<ffffffff8152a5f7>] __rpm_callback+0x37/0x80
  48. Dec 5 14:57:27 chrome kernel: [ 1088.152283] [<ffffffff81414890>] ? pci_restore_standard_config+0x50/0x50
  49. Dec 5 14:57:27 chrome kernel: [ 1088.152286] [<ffffffff8152a668>] rpm_callback+0x28/0x90
  50. Dec 5 14:57:27 chrome kernel: [ 1088.152289] [<ffffffff81414890>] ? pci_restore_standard_config+0x50/0x50
  51. Dec 5 14:57:27 chrome kernel: [ 1088.152291] [<ffffffff8152adab>] rpm_resume+0x45b/0x660
  52. Dec 5 14:57:27 chrome kernel: [ 1088.152295] [<ffffffff810a5b92>] ? default_wake_function+0x12/0x20
  53. Dec 5 14:57:27 chrome kernel: [ 1088.152299] [<ffffffff81211773>] ? pollwake+0x73/0x90
  54. Dec 5 14:57:27 chrome kernel: [ 1088.152302] [<ffffffff810a5b80>] ? wake_up_q+0x70/0x70
  55. Dec 5 14:57:27 chrome kernel: [ 1088.152305] [<ffffffff8152b80e>] __pm_runtime_resume+0x4e/0x70
  56. Dec 5 14:57:27 chrome kernel: [ 1088.152318] [<ffffffffc0107b9f>] intel_runtime_pm_get+0x4f/0x80 [i915]
  57. Dec 5 14:57:27 chrome kernel: [ 1088.152332] [<ffffffffc01179d4>] i915_gem_do_execbuffer.isra.27+0x3e4/0x10a0 [i915]
  58. Dec 5 14:57:27 chrome kernel: [ 1088.152335] [<ffffffff816caa7e>] ? sock_def_readable+0x3e/0x70
  59. Dec 5 14:57:27 chrome kernel: [ 1088.152340] [<ffffffff81785d14>] ? unix_stream_sendmsg+0x3c4/0x3f0
  60. Dec 5 14:57:27 chrome kernel: [ 1088.152343] [<ffffffff811debed>] ? __kmalloc+0x1ad/0x250
  61. Dec 5 14:57:27 chrome kernel: [ 1088.152356] [<ffffffffc0119792>] i915_gem_execbuffer2+0xb2/0x240 [i915]
  62. Dec 5 14:57:27 chrome kernel: [ 1088.152367] [<ffffffffc0005495>] drm_ioctl+0x125/0x610 [drm]
  63. Dec 5 14:57:27 chrome kernel: [ 1088.152379] [<ffffffffc01196e0>] ? i915_gem_execbuffer+0x310/0x310 [i915]
  64. Dec 5 14:57:27 chrome kernel: [ 1088.152383] [<ffffffff81210a25>] do_vfs_ioctl+0x295/0x480
  65. Dec 5 14:57:27 chrome kernel: [ 1088.152387] [<ffffffff81210c89>] SyS_ioctl+0x79/0x90
  66. Dec 5 14:57:27 chrome kernel: [ 1088.152391] [<ffffffff817f01f2>] entry_SYSCALL_64_fastpath+0x16/0x75
  67. Dec 5 14:57:27 chrome kernel: [ 1088.152393] ---[ end trace 702045f8dfb366e6 ]---
  68. Dec 5 14:57:27 chrome kernel: [ 1088.191235] [drm:intel_runtime_resume] Device resumed
  69. Dec 5 14:57:28 chrome kernel: [ 1089.931574] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on
  70. Dec 5 14:57:38 chrome kernel: [ 1100.028199] [drm:intel_runtime_suspend] Suspending device
  71. Dec 5 14:57:38 chrome kernel: [ 1100.028357] [drm:hsw_enable_pc8] Enabling package C8+
  72. Dec 5 14:57:38 chrome kernel: [ 1100.034358] [drm:intel_runtime_suspend] Device suspended
  73. Dec 5 14:57:46 chrome NetworkManager[575]: <warn> (wlp1s0): Lowering IPv6 MTU (1500) to match device MTU (1280)
  74. Dec 5 14:57:59 chrome kernel: [ 1120.566309] [drm:intel_runtime_resume] Resuming device
  75. Dec 5 14:57:59 chrome kernel: [ 1120.566318] [drm:hsw_disable_pc8] Disabling package C8+
  76. Dec 5 14:57:59 chrome kernel: [ 1120.601128] [drm:intel_runtime_resume] Device resumed
  77. Dec 5 14:57:59 chrome kernel: [ 1120.601397] [drm:intel_display_power_get] enabling always-on
  78. Dec 5 14:57:59 chrome kernel: [ 1120.601416] [drm:edp_panel_on] Turn eDP port A panel power on
  79. Dec 5 14:57:59 chrome kernel: [ 1120.601422] [drm:wait_panel_power_cycle] Wait for panel power cycle
  80. Dec 5 14:57:59 chrome kernel: [ 1120.601429] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0000
  81. Dec 5 14:57:59 chrome kernel: [ 1120.601434] [drm:wait_panel_status] Wait complete
  82. Dec 5 14:57:59 chrome kernel: [ 1120.601440] [drm:wait_panel_on] Wait for panel power on
  83. Dec 5 14:57:59 chrome kernel: [ 1120.601445] [drm:wait_panel_status] mask b000000f value 80000008 status 0000000a control abcd0003
  84. Dec 5 14:57:59 chrome kernel: [ 1120.661510] [drm:wait_panel_status] Wait complete
  85. Dec 5 14:57:59 chrome kernel: [ 1120.661525] [drm:edp_panel_vdd_on] Turning eDP port A VDD on
  86. Dec 5 14:57:59 chrome kernel: [ 1120.661537] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b
  87. Dec 5 14:57:59 chrome kernel: [ 1120.665128] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7545010e
  88. Dec 5 14:57:59 chrome kernel: [ 1120.673690] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7545010e
  89. Dec 5 14:57:59 chrome kernel: [ 1120.681682] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7545010e
  90. Dec 5 14:57:59 chrome kernel: [ 1120.686213] [drm:intel_dp_sink_dpms] failed to enable sink power state
  91. Dec 5 14:57:59 chrome kernel: [ 1120.690312] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7545010e
  92. Dec 5 14:57:59 chrome kernel: [ 1120.693807] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7545010e
  93. Dec 5 14:57:59 chrome kernel: [ 1120.693810] [drm:intel_dp_set_signal_levels] Using signal levels 00000000
  94. Dec 5 14:57:59 chrome kernel: [ 1120.693812] [drm:intel_dp_set_signal_levels] Using vswing level 0
  95. Dec 5 14:57:59 chrome kernel: [ 1120.693813] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 0
  96. Dec 5 14:57:59 chrome kernel: [ 1120.697318] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7545010e
  97. Dec 5 14:57:59 chrome kernel: [ 1120.697348] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training
  98. Dec 5 14:57:59 chrome kernel: [ 1120.701327] [drm:intel_dp_set_signal_levels] Using signal levels 01000000
  99. Dec 5 14:57:59 chrome kernel: [ 1120.701330] [drm:intel_dp_set_signal_levels] Using vswing level 0
  100. Dec 5 14:57:59 chrome kernel: [ 1120.701331] [drm:intel_dp_set_signal_levels] Using pre-emphasis level 1
  101. Dec 5 14:57:59 chrome kernel: [ 1120.702423] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful
  102. Dec 5 14:57:59 chrome kernel: [ 1120.702708] [drm:intel_edp_backlight_on]
  103. Dec 5 14:57:59 chrome kernel: [ 1120.702710] [drm:intel_panel_enable_backlight] pipe A
  104. Dec 5 14:57:59 chrome kernel: [ 1120.702717] [drm:intel_panel_actually_set_backlight] set backlight PWM = 600
  105. Dec 5 14:57:59 chrome kernel: [ 1120.702723] [drm:intel_psr_enable] PSR not supported by this panel
  106. Dec 5 14:57:59 chrome kernel: [ 1120.702725] [drm:intel_edp_drrs_enable] Panel doesn't support DRRS
  107. Dec 5 14:57:59 chrome kernel: [ 1120.719285] [drm:intel_connector_check_state] [CONNECTOR:32:eDP-1]
  108. Dec 5 14:57:59 chrome kernel: [ 1120.719289] [drm:check_encoder_state] [ENCODER:31:TMDS-31]
  109. Dec 5 14:57:59 chrome kernel: [ 1120.719292] [drm:check_encoder_state] [ENCODER:39:TMDS-39]
  110. Dec 5 14:57:59 chrome kernel: [ 1120.719294] [drm:check_encoder_state] [ENCODER:41:DP MST-41]
  111. Dec 5 14:57:59 chrome kernel: [ 1120.719296] [drm:check_encoder_state] [ENCODER:42:DP MST-42]
  112. Dec 5 14:57:59 chrome kernel: [ 1120.719297] [drm:check_encoder_state] [ENCODER:43:DP MST-43]
  113. Dec 5 14:57:59 chrome kernel: [ 1120.719299] [drm:check_crtc_state] [CRTC:21]
  114. Dec 5 14:57:59 chrome kernel: [ 1120.719307] [drm:check_crtc_state] [CRTC:25]
  115. Dec 5 14:57:59 chrome kernel: [ 1120.719309] [drm:check_crtc_state] [CRTC:29]
  116. Dec 5 14:57:59 chrome kernel: [ 1120.719311] [drm:check_shared_dpll_state] WRPLL 1
  117. Dec 5 14:57:59 chrome kernel: [ 1120.719313] [drm:check_shared_dpll_state] WRPLL 2
  118. Dec 5 14:58:00 chrome kernel: [ 1121.936135] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on
  119. Dec 5 14:58:02 chrome kernel: [ 1123.701540] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
  120. Dec 5 14:58:02 chrome kernel: [ 1123.701555] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007
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