[DSI only]All tests - *ERROR* Potential atomic update failure on pipe A &| *ERROR* mismatch in dpll_hw_state.ebb0 (...) &| pipe state doesn't match! : WARNING: CPU: 1 PID: 1283 at drivers/gpu/drm/i915/intel_display.c:11623 intel_atomic_commit_tail+0
Submitted by Marta Löfstedt @marta
Assigned to Mika Kahola
Link to original bug (#105538)
Description
On runs with shards testlist on BAT machines fi-bxt-dsi hit:
<3>[ 51.830236] [drm:intel_pipe_update_start [i915]] ERROR Potential atomic update failure on pipe A
<7>[ 51.840002] [drm:intel_power_well_disable [i915]] disabling dpio-common-bc
<7>[ 51.840180] [drm:intel_power_well_disable [i915]] disabling power well 2
<7>[ 51.840407] [drm:verify_connector_state.isra.78 [i915]] [CONNECTOR:98:DSI-1]
<7>[ 51.840478] [drm:intel_dsi_get_hw_state [i915]]
<7>[ 51.840582] [drm:intel_atomic_commit_tail [i915]] [CRTC:46:pipe A]
<7>[ 51.840679] [drm:intel_dsi_get_hw_state [i915]]
<7>[ 51.840759] [drm:intel_dsi_get_config [i915]]
<7>[ 51.840848] [drm:intel_dsi_get_pclk [i915]] Calculated pclk=148800
<3>[ 51.840923] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.ebb0 (expected 0x00006300, found 0x00000000)
<3>[ 51.840994] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.ebb4 (expected 0x00002000, found 0x00000000)
<3>[ 51.841065] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pll0 (expected 0x00000021, found 0x00000000)
<3>[ 51.841166] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pll1 (expected 0x00000100, found 0x00000000)
<3>[ 51.841237] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pll2 (expected 0x001a6666, found 0x00000000)
<3>[ 51.841308] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pll3 (expected 0x00010000, found 0x00000000)
<3>[ 51.841378] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pll6 (expected 0x00030904, found 0x00000000)
<3>[ 51.841449] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pll8 (expected 0x00000008, found 0x00000000)
<3>[ 51.841520] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pll9 (expected 0x0000000a, found 0x00000000)
<3>[ 51.841591] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pll10 (expected 0x08003c00, found 0x00000000)
<3>[ 51.841661] [drm:pipe_config_err [i915]] ERROR mismatch in dpll_hw_state.pcsdw12 (expected 0x0000004d, found 0x00000000)
<4>[ 51.841665] ------------[ cut here ]------------
<4>[ 51.841668] pipe state doesn't match!
<4>[ 51.841778] WARNING: CPU: 1 PID: 1283 at drivers/gpu/drm/i915/intel_display.c:11623 intel_atomic_commit_tail+0xc1c/0xd20 [i915]
<4>[ 51.841782] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel lpc_ich i915 snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core mei_me snd_pcm igb mei prime_numbers i2c_hid pinctrl_broxton pinctrl_intel
<4>[ 51.841846] CPU: 1 PID: 1283 Comm: kms_3d Not tainted 4.16.0-rc5-g613eb885b69e-drmtip_1+ #1 (moved)
<4>[ 51.841849] Hardware name: Intel Corp. Broxton P/Apollolake RVP1A, BIOS APLKRVPA.X64.0150.B11.1608081044 08/08/2016
<4>[ 51.841920] RIP: 0010:intel_atomic_commit_tail+0xc1c/0xd20 [i915]
<4>[ 51.841923] RSP: 0018:ffff976480297b38 EFLAGS: 00010292
<4>[ 51.841929] RAX: 0000000000000019 RBX: ffff9479e4eca548 RCX: 0000000000000001
<4>[ 51.841932] RDX: 0000000080000001 RSI: ffffffffaa0ea361 RDI: 00000000ffffffff
<4>[ 51.841935] RBP: ffff9479f0beae98 R08: ffff9479f4b430e0 R09: 0000000001422669
<4>[ 51.841937] R10: ffff9479f0beb178 R11: 0000000000000000 R12: ffff9479f0be92a8
<4>[ 51.841940] R13: 0000000000000000 R14: ffff9479e5320000 R15: ffff9479e5320760
<4>[ 51.841944] FS: 00007f29ce03f980(0000) GS:ffff9479ffc80000(0000) knlGS:0000000000000000
<4>[ 51.841947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 51.841950] CR2: 00007f29c1aac000 CR3: 0000000174bc2000 CR4: 00000000003406e0
<4>[ 51.841952] Call Trace:
<4>[ 51.842040] intel_atomic_commit+0x256/0x330 [i915]
<4>[ 51.842054] restore_fbdev_mode_atomic+0x199/0x1f0
<4>[ 51.842080] drm_fb_helper_restore_fbdev_mode_unlocked+0x42/0x90
<4>[ 51.842086] drm_fb_helper_set_par+0x24/0x50
<4>[ 51.842157] intel_fbdev_set_par+0x11/0x60 [i915]
<4>[ 51.842164] fbcon_init+0x594/0x620
<4>[ 51.842178] visual_init+0xca/0x120
<4>[ 51.842185] do_bind_con_driver+0x1bb/0x3a0
<4>[ 51.842199] store_bind+0x190/0x1b0
<4>[ 51.842211] kernfs_fop_write+0xfe/0x180
<4>[ 51.842222] __vfs_write+0x1e/0x130
<4>[ 51.842229] ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 51.842233] ? rcu_sync_lockdep_assert+0x25/0x50
<4>[ 51.842238] ? __sb_start_write+0xd9/0x1f0
<4>[ 51.842241] ? __sb_start_write+0xf3/0x1f0
<4>[ 51.842251] vfs_write+0xbd/0x1b0
<4>[ 51.842260] SyS_write+0x40/0xa0
<4>[ 51.842270] do_syscall_64+0x65/0x1a0
<4>[ 51.842277] entry_SYSCALL_64_after_hwframe+0x42/0xb7
<4>[ 51.842281] RIP: 0033:0x7f29cd7c4281
<4>[ 51.842284] RSP: 002b:00007ffe70b61a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
<4>[ 51.842289] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f29cd7c4281
<4>[ 51.842292] RDX: 0000000000000002 RSI: 00007f29cdc39bf1 RDI: 0000000000000007
<4>[ 51.842295] RBP: 00007ffe70b62aa0 R08: 000055f44d2e6f83 R09: 0000000000000006
<4>[ 51.842298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f29cd7ad718
<4>[ 51.842300] R13: 0000000000000003 R14: 00007f29cd7b2628 R15: 00007f29cd7aed80
<4>[ 51.842322] Code: 0f b6 d0 0f b6 f1 48 c7 c7 f8 a9 69 c0 e8 ed da aa e8 0f 0b 41 0f b6 4c 24 09 e9 d7 f9 ff ff 48 c7 c7 a7 79 67 c0 e8 d4 da aa e8 <0f> 0b e9 81 fa ff ff 80 3d 2f 73 15 00 00 0f b6 ca 0f 85 b4 00
<4>[ 51.842547] WARNING: CPU: 1 PID: 1283 at drivers/gpu/drm/i915/intel_display.c:11623 intel_atomic_commit_tail+0xc1c/0xd20 [i915]
<4>[ 51.842550] ---[ end trace 0c6fc863bcc27d7f ]---
the repeated issues with intel_atomic_commit_tail
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-bxt-dsi/igt@kms_atomic_interruptible@universal-setplane-primary.html