[Bug 71392] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock (expected 108000, found 0)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71392

Artem Bityutskiy <dedekind1 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #5 from Artem Bityutskiy <dedekind1 at gmail.com> ---
I see this happening in 'drm-intel-testing', commit 

commit 013133c43b2595ad72d1c66c7afa31dca82132d4
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Fri Nov 29 15:52:10 2013 +0100

    drm-intel-nightly: 2013y-11m-29d-15h-52m-00s integration manifest



[    2.144406] [drm:check_encoder_state], [ENCODER:17:TMDS-17]
[    2.144409] [drm:check_crtc_state], [CRTC:3]
[    2.144420] [drm:i9xx_crtc_clock_get], Unknown DPLL mode 00000000 in
programmed mode
[    2.144424] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock
(expected 108000, found 0)
[    2.144425] ------------[ cut here ]------------
[    2.144434] WARNING: CPU: 0 PID: 1 at
/mnt/bigssd/dedekind/work/tizen/git/kernel-x86-ivi/drivers/gpu/drm/i915/intel_display.c:8810
check_crtc_state+0x8f7/0x93c()
[    2.144435] pipe state doesn't match!
[    2.144437] Modules linked in:
[    2.144441] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.3-custom+ #50
[    2.144443] Hardware name: Intel Corp. VALLEYVIEW B0 PLATFORM/NOTEBOOK, BIOS
BYTICRB1.86C.0066.R41.1311081812 11/08/2013
[    2.144451]  00000000 00000000 f446f61c c13c72c4 f446f65c f446f64c c102dbc1
c1568da5
[    2.144457]  f446f678 00000001 c1567d41 0000226a c126ce5c c126ce5c f4568000
00000000
[    2.144463]  f45d328c f446f664 c102dc54 00000009 f446f65c c1568da5 f446f678
f446f8e0
[    2.144464] Call Trace:
[    2.144471]  [<c13c72c4>] dump_stack+0x4b/0x72
[    2.144477]  [<c102dbc1>] warn_slowpath_common+0x79/0x90
[    2.144482]  [<c126ce5c>] ? check_crtc_state+0x8f7/0x93c
[    2.144486]  [<c126ce5c>] ? check_crtc_state+0x8f7/0x93c
[    2.144490]  [<c102dc54>] warn_slowpath_fmt+0x2e/0x30
[    2.144494]  [<c126ce5c>] check_crtc_state+0x8f7/0x93c
[    2.144505]  [<c1277183>] intel_modeset_check_state+0x390/0x66c
[    2.144510]  [<c127748a>] intel_set_mode+0x2b/0x33
[    2.144514]  [<c1277a7f>] intel_crtc_set_config+0x5ed/0x7da
[    2.144521]  [<c1242415>] drm_mode_set_config_internal+0x39/0x90
[    2.144526]  [<c12346ee>] drm_fb_helper_set_par+0x51/0x8f
[    2.144532]  [<c11da3d3>] fbcon_init+0x2d1/0x3b9
[    2.144538]  [<c121dd8f>] visual_init+0x9a/0xed
[    2.144542]  [<c121f44e>] do_bind_con_driver+0x142/0x248
[    2.144548]  [<c11274d8>] ? sysfs_create_file+0x1a/0x24
[    2.144552]  [<c12a1e86>] ? device_create_file+0x34/0x89
[    2.144556]  [<c121f680>] do_take_over_console+0x12c/0x153
[    2.144561]  [<c11d6f99>] do_fbcon_takeover+0x4f/0x8f
[    2.144566]  [<c11dab20>] fbcon_event_notify+0x371/0x651
[    2.144570]  [<c1127449>] ? sysfs_add_file_mode+0x6a/0x86
[    2.144575]  [<c1048940>] notifier_call_chain+0x25/0x46
[    2.144580]  [<c1048a54>] __blocking_notifier_call_chain+0x39/0x4f
[    2.144585]  [<c1048a84>] blocking_notifier_call_chain+0x1a/0x1c
[    2.144589]  [<c11d0e89>] fb_notifier_call_chain+0x11/0x13
[    2.144593]  [<c11d24c7>] register_framebuffer+0x1f9/0x259
[    2.144598]  [<c1234552>] drm_fb_helper_initial_config+0x33f/0x3e5
[    2.144601]  [<c1233c03>] ? drm_fb_helper_init+0xb1/0x118
[    2.144606]  [<c12338f1>] ? kzalloc.constprop.11+0xd/0xf
[    2.144611]  [<c13cb4ba>] ? _raw_spin_unlock_irqrestore+0x17/0x22
[    2.144616]  [<c129c043>] ? spin_unlock_irqrestore+0x8/0xa
[    2.144620]  [<c129cd3c>] ? i915_write32+0xb9/0xc1
[    2.144625]  [<c1293709>] intel_fbdev_initial_config+0x19/0x1b
[    2.144630]  [<c124e723>] i915_driver_load+0xafe/0xce1
[    2.144634]  [<c124c916>] ? intel_teardown_mchbar+0x9f/0x9f
[    2.144640]  [<c1342e7f>] ? pcibios_allocate_bus_resources+0x98/0x98
[    2.144646]  [<c123f1a9>] drm_get_pci_dev+0x177/0x284
[    2.144651]  [<c11c54bf>] ? pci_match_id+0x18/0x38
[    2.144655]  [<c124bcab>] i915_pci_probe+0x4c/0x56
[    2.144659]  [<c11c5d82>] pci_device_probe+0x56/0x8e
[    2.144664]  [<c12a4c3f>] driver_probe_device+0x8f/0x195
[    2.144668]  [<c12a4d8c>] __driver_attach+0x47/0x63
[    2.144672]  [<c12a377b>] bus_for_each_dev+0x3c/0x66
[    2.144676]  [<c12a47fa>] driver_attach+0x17/0x19
[    2.144680]  [<c12a4d45>] ? driver_probe_device+0x195/0x195
[    2.144684]  [<c12a44f7>] bus_add_driver+0xc7/0x20c
[    2.144688]  [<c12a5277>] driver_register+0x79/0xaa
[    2.144692]  [<c11c5449>] __pci_register_driver+0x2e/0x31
[    2.144698]  [<c1658e52>] ? ftrace_define_fields_drm_vblank_event+0x71/0x71
[    2.144701]  [<c123f329>] drm_pci_init+0x73/0xcf
[    2.144706]  [<c1658e52>] ? ftrace_define_fields_drm_vblank_event+0x71/0x71
[    2.144710]  [<c1658eb0>] i915_init+0x5e/0x60
[    2.144714]  [<c10003db>] do_one_initcall+0x8a/0x11b
[    2.144720]  [<c1628400>] ? do_early_param+0x3b/0x7a
[    2.144724]  [<c162843f>] ? do_early_param+0x7a/0x7a
[    2.144729]  [<c104355f>] ? parse_args+0x166/0x225
[    2.144733]  [<c13cb4ba>] ? _raw_spin_unlock_irqrestore+0x17/0x22
[    2.144738]  [<c1628af3>] kernel_init_freeable+0x119/0x1bd
[    2.144743]  [<c162843f>] ? do_early_param+0x7a/0x7a
[    2.144748]  [<c13c193b>] kernel_init+0xb/0xc3
[    2.144752]  [<c13cc177>] ret_from_kernel_thread+0x1b/0x28
[    2.144755]  [<c13c1930>] ? rest_init+0x70/0x70
[    2.144768] ---[ end trace 0897b95cdc50c52b ]---
[    2.144772] [drm:intel_dump_pipe_config], [CRTC:3][hw state] config for pipe
A
[    2.144774] [drm:intel_dump_pipe_config], cpu_transcoder: A
[    2.144776] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
[    2.144780] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0,
gmch_n: 0, link_m: 0, link_n: 0, tu: 0

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