[Bug 67345] New: [BayTrail-M] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock (expected 146250, found 0)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67345

          Priority: medium
            Bug ID: 67345
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BayTrail-M] [drm:intel_pipe_config_compare] *ERROR*
                    mismatch in clock (expected 146250, found 0)
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: guang.a.yang at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 83027
  --> https://bugs.freedesktop.org/attachment.cgi?id=83027&action=edit
dmesg after booting

System Environment:
--------------------------------------------
Kernel: (drm-intel-nightly)d861e3387650296f1fca2a4dd0dcd380c8fdddad
Some additional commit info:
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Wed Jul 24 23:25:03 2013 +0200

    drm/i915: fix reference counting in i915_gem_create

Bug detail Description:
--------------------------------------------
On our BayTrail platform  has *ERROR* mismatch in clock (expected 146250, found
0) and Call Trace in dmesg after booting just like this:

[    1.881475] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock
(expected 146250, found 0)
[    1.881478] ------------[ cut here ]------------
[    1.881605] WARNING: at drivers/gpu/drm/i915/intel_display.c:8570
check_crtc_state+0x6ba/0x701 [i915]()
[    1.881606] pipe state doesn't match!
[    1.881612] Modules linked in: i915(+) drm_kms_helper drm video button
[    1.881616] CPU: 2 PID: 1164 Comm: systemd-udevd Not tainted
3.10.0-rc7_drm-intel-next-queued_d861e3_20130725_+ #6160
[    1.881618] Hardware name: Intel Corp. VALLEYVIEW B0 PLATFORM/NOTEBOOK, BIOS
BBAYCRB1.X64.0047.R21.1306111752 BBAY_X64_R_v47_21 06/11/2013
[    1.881622]  ffffffff816e7c25 0000000000000000 ffffffff8102c53d
ffff88003f9e1320
[    1.881625]  ffff88003f9e1328 0000000000000000 ffff8800753ba000
ffff88003f99d800
[    1.881628]  ffff88003f9e1398 ffff88006e0bc000 ffffffff8102c5ed
ffffffffa00bfad2
[    1.881629] Call Trace:
[    1.881637]  [<ffffffff816e7c25>] ? dump_stack+0xd/0x17
[    1.881643]  [<ffffffff8102c53d>] ? warn_slowpath_common+0x5f/0x77
[    1.881647]  [<ffffffff8102c5ed>] ? warn_slowpath_fmt+0x45/0x4a
[    1.881680]  [<ffffffffa007c495>] ? check_crtc_state+0x6ba/0x701 [i915]
[    1.881720]  [<ffffffffa0085b58>] ? intel_modeset_check_state+0x36f/0x5e8
[i915]
[    1.881753]  [<ffffffffa0085e41>] ? intel_set_mode+0x1d/0x27 [i915]
[    1.881787]  [<ffffffffa0086441>] ? intel_crtc_set_config+0x5f6/0x7e5 [i915]
[    1.881799]  [<ffffffffa001ad86>] ? drm_mode_set_config_internal+0x44/0xac
[drm]
[    1.881805]  [<ffffffffa0052c6e>] ? drm_fb_helper_set_par+0x55/0x9a
[drm_kms_helper]
[    1.881810]  [<ffffffff812eec02>] ? fbcon_init+0x2ff/0x408
[    1.881815]  [<ffffffff8133aed8>] ? visual_init+0xaf/0x102
[    1.881818]  [<ffffffff8133c77f>] ? do_bind_con_driver+0x1a1/0x2ca
[    1.881822]  [<ffffffff8133c920>] ? do_take_over_console+0x33/0x3e
[    1.881826]  [<ffffffff812ee2ef>] ? do_fbcon_takeover+0x53/0x96
[    1.881830]  [<ffffffff816efcac>] ? notifier_call_chain+0x2e/0x59
[    1.881835]  [<ffffffff81048e1b>] ? __blocking_notifier_call_chain+0x43/0x5d
[    1.881838]  [<ffffffff812e6231>] ? register_framebuffer+0x21d/0x284
[    1.881843]  [<ffffffffa0052b6a>] ? drm_fb_helper_initial_config+0x3aa/0x459
[drm_kms_helper]
[    1.881854]  [<ffffffffa0019455>] ? drm_mode_config_reset+0xad/0xcc [drm]
[    1.881858]  [<ffffffff810c9ab7>] ? __kmalloc+0x63/0xf3
[    1.881885]  [<ffffffffa005cd6f>] ? i915_write32+0x6d/0x94 [i915]
[    1.881913]  [<ffffffffa006009e>] ? i915_driver_load+0xc37/0xe1f [i915]
[    1.881917]  [<ffffffff81624753>] ? pcibios_allocate_resources+0x1d9/0x1d9
[    1.881923]  [<ffffffff81354818>] ? get_device+0x10/0x1c
[    1.881935]  [<ffffffffa0016ca5>] ? drm_get_pci_dev+0x14d/0x254 [drm]
[    1.881939]  [<ffffffff81357f4a>] ? driver_probe_device+0x19e/0x19e
[    1.881944]  [<ffffffff812d6a61>] ? local_pci_probe+0x16/0x26
[    1.881947]  [<ffffffff812d731f>] ? pci_device_probe+0xbc/0xe0
[    1.881951]  [<ffffffff81357e36>] ? driver_probe_device+0x8a/0x19e
[    1.881954]  [<ffffffff81357f9d>] ? __driver_attach+0x53/0x73
[    1.881957]  [<ffffffff813566f8>] ? bus_for_each_dev+0x4b/0x7c
[    1.881961]  [<ffffffff8135766f>] ? bus_add_driver+0xdc/0x1fb
[    1.881964]  [<ffffffff813584bc>] ? driver_register+0x89/0x101
[    1.881967]  [<ffffffffa00d8000>] ? 0xffffffffa00d7fff
[    1.881971]  [<ffffffff81000257>] ? do_one_initcall+0x75/0x102
[    1.881977]  [<ffffffff8106c9ad>] ? load_module+0x17b2/0x1a8a
[    1.881980]  [<ffffffff81069b4c>] ? sys_getegid16+0x40/0x40
[    1.881985]  [<ffffffff8106a1f9>] ? copy_module_from_fd+0xcc/0xe2
[    1.881989]  [<ffffffff8106cd7e>] ? SyS_finit_module+0x4e/0x62
[    1.881994]  [<ffffffff816f1fd2>] ? system_call_fastpath+0x16/0x1b
[    1.881996] ---[ end trace 3e81be0dc5f9fb94 ]---

our platform is :
00:00.0 Host bridge [0600]: Intel Corporation ValleyView SSA-CUnit [8086:0f00] 
00:02.0 VGA compatible controller [0300]: Intel Corporation ValleyView Gen7
[8086:0f31] 

I attach the dmesg after booting.

Reproduce Steps:
---------------------------------------------
1.booting up machine
2.dmesg | grep "ERROR"

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