[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[drm] No driver support for vblank timestamp query.
clk_enable lcdc
[drm] EDID readout failed, falling back to standard modes
** 18 printk messages dropped **
 r4:00000000
[<bf41aeb8>] (drm_atomic_helper_wait_for_vblanks.part.1 [drm_kms_helper]) from [<bf41b164>] (drm_atomic_helper_wait_for_vblanks+0x1c/0x20 [drm_kms_helper])
 r10:c6072840 r9:c62d0db4 r8:c63e9d00 r7:c63e9dc0 r6:c62d0c00 r5:00000000
 r4:c63e9dc0
[<bf41b148>] (drm_atomic_helper_wait_for_vblanks [drm_kms_helper]) from [<bf45f044>] (tilcdc_commit+0x70/0x84 [tilcdc])
[<bf45efd4>] (tilcdc_commit [tilcdc]) from [<bf29cca0>] (drm_atomic_commit+0x4c/0x60 [drm])
 r7:c63e9dc0 r6:c62d0c00 r5:c63e9dc0 r4:00000000
[<bf29cc54>] (drm_atomic_commit [drm]) from [<bf41ee40>] (restore_fbdev_mode_atomic+0x198/0x1f0 [drm_kms_helper])
 r7:c63e9dc0 r6:00000001 r5:00000001 r4:00000001
[<bf41eca8>] (restore_fbdev_mode_atomic [drm_kms_helper]) from [<bf41eec8>] (restore_fbdev_mode+0x30/0x168 [drm_kms_helper])
 r10:00000000 r9:c05f011c r8:c6096a00 r7:c061b720 r6:00000000 r5:c6072840
 r4:c6072840
[<bf41ee98>] (restore_fbdev_mode [drm_kms_helper]) from [<bf421b2c>] (drm_fb_helper_restore_fbdev_mode_unlocked.part.8+0x24/0x78 [drm_kms_helper])
 r10:00000000 r9:c05f011c r8:c6096a00 r7:c061b720 r6:00000000 r5:c60728d0
 r4:c6072840
[<bf421b08>] (drm_fb_helper_restore_fbdev_mode_unlocked.part.8 [drm_kms_helper]) from [<bf421c18>] (drm_fb_helper_set_par+0x54/0x8c [drm_kms_helper])
 r7:c061b720 r6:00000000 r5:c62d0400 r4:00000000
[<bf421bc4>] (drm_fb_helper_set_par [drm_kms_helper]) from [<c0278da4>] (fbcon_init+0x568/0x5d0)
 r5:c62d0400 r4:c680e000
[<c027883c>] (fbcon_init) from [<c02b0710>] (visual_init+0xc0/0x108)
 r10:00000080 r9:c680e000 r8:00000000 r7:c061db98 r6:00000000 r5:00000000
 r4:c680e000
[<c02b0650>] (visual_init) from [<c02b1dc8>] (do_bind_con_driver+0x1ac/0x3a4)
 r7:c061db98 r6:c061db94 r5:00000000 r4:c04ae860
[<c02b1c1c>] (do_bind_con_driver) from [<c02b2390>] (do_take_over_console+0x144/0x1c4)
 r10:c061dbb0 r9:00000001 r8:0000003e r7:00000000 r6:00000000 r5:00000000
 r4:c04ae860
[<c02b224c>] (do_take_over_console) from [<c0278e7c>] (do_fbcon_takeover+0x70/0xd8)
 r10:c62d061c r9:c061d718 r8:c62d0400 r7:00000000 r6:c6b3dc68 r5:c061d718
 r4:c05f011c
[<c0278e0c>] (do_fbcon_takeover) from [<c027c970>] (fbcon_event_notify+0x8a0/0x904)
 r5:ffffffff r4:c05f011c
[<c027c0d0>] (fbcon_event_notify) from [<c0038564>] (notifier_call_chain+0x4c/0x88)
 r10:c62d061c r9:c62d040c r8:00000000 r7:00000005 r6:c6b3dc68 r5:ffffffff
 r4:00000000
[<c0038518>] (notifier_call_chain) from [<c00389a4>] (__blocking_notifier_call_chain+0x50/0x68)
 r9:c62d040c r8:c061b718 r7:ffffffff r6:c6b3dc68 r5:c05f003c r4:00000005
[<c0038954>] (__blocking_notifier_call_chain) from [<c00389dc>] (blocking_notifier_call_chain+0x20/0x28)
 r7:00000000 r6:c05c133c r5:c62d0400 r4:c05c133c
[<c00389bc>] (blocking_notifier_call_chain) from [<c026e2d8>] (fb_notifier_call_chain+0x1c/0x24)
[<c026e2bc>] (fb_notifier_call_chain) from [<c02701cc>] (register_framebuffer+0x184/0x294)
[<c0270048>] (register_framebuffer) from [<bf421804>] (__drm_fb_helper_initial_config_and_unlock+0x20c/0x3e8 [drm_kms_helper])
 r10:00000001 r9:c63e9d28 r8:00000000 r7:00000000 r6:bf426860 r5:c62d0400
 r4:c6072840
[<bf4215f8>] (__drm_fb_helper_initial_config_and_unlock [drm_kms_helper]) from [<bf421a18>] (drm_fb_helper_initial_config+0x38/0x40 [drm_kms_helper])
 r10:c0604000 r9:c7ee6ef0 r8:00000010 r7:bf422f3c r6:c62d0c00 r5:00000010
 r4:c6072840
[<bf4219e0>] (drm_fb_helper_initial_config [drm_kms_helper]) from [<bf421e78>] (drm_fbdev_cma_init_with_funcs+0x7c/0x100 [drm_kms_helper])
 r5:00000000 r4:c6072840
[<bf421dfc>] (drm_fbdev_cma_init_with_funcs [drm_kms_helper]) from [<bf421f10>] (drm_fbdev_cma_init+0x14/0x1c [drm_kms_helper])
 r9:c7ee6ef0 r8:00000000 r7:c689d210 r6:c6102850 r5:c62d0c00 r4:bf461068
[<bf421efc>] (drm_fbdev_cma_init [drm_kms_helper]) from [<bf45f46c>] (tilcdc_init.constprop.2+0x3d0/0x61c [tilcdc])
[<bf45f09c>] (tilcdc_init.constprop.2 [tilcdc]) from [<bf45f714>] (tilcdc_pdev_probe+0x5c/0x80 [tilcdc])
 r10:c0604000 r9:0000000f r8:bf461174 r7:fffffdfb r6:bf461174 r5:ffffffed
 r4:c689d210
[<bf45f6b8>] (tilcdc_pdev_probe [tilcdc]) from [<c02cccb0>] (platform_drv_probe+0x58/0xb8)
 r4:c689d210
[<c02ccc58>] (platform_drv_probe) from [<c02cb0a0>] (driver_probe_device+0x24c/0x338)
 r7:00000000 r6:00000000 r5:c061ebfc r4:c689d210
[<c02cae54>] (driver_probe_device) from [<c02cb2f0>] (__device_attach_driver+0xa0/0xd4)
 r9:00000000 r8:c05d886c r7:00000001 r6:c689d210 r5:c6b3de78 r4:bf461174
[<c02cb250>] (__device_attach_driver) from [<c02c9338>] (bus_for_each_drv+0x6c/0x9c)
 r7:00000001 r6:c02cb250 r5:c6b3de78 r4:00000000
[<c02c92cc>] (bus_for_each_drv) from [<c02cad2c>] (__device_attach+0xb4/0x11c)
 r6:c689d210 r5:c689d244 r4:c689d210
[<c02cac78>] (__device_attach) from [<c02cb370>] (device_initial_probe+0x14/0x18)
 r7:c05f4824 r6:c689d210 r5:c05f49e8 r4:c689d210
[<c02cb35c>] (device_initial_probe) from [<c02ca298>] (bus_probe_device+0x8c/0x94)
[<c02ca20c>] (bus_probe_device) from [<c02ca700>] (deferred_probe_work_func+0x50/0x148)
 r7:c05f4824 r6:c05f480c r5:c05f480c r4:c689d210
[<c02ca6b0>] (deferred_probe_work_func) from [<c0031020>] (process_one_work+0x1f4/0x45c)
 r10:c05d886c r9:00000000 r8:c05d886c r7:c7ed5200 r6:00000000 r5:c6af2540
 r4:c05f482c
[<c0030e2c>] (process_one_work) from [<c00312c8>] (worker_thread+0x40/0x64c)
 r10:c05d886c r9:c6b3c000 r8:00000008 r7:c05e8200 r6:c05d8880 r5:c6af2558
 r4:c6af2540
[<c0031288>] (worker_thread) from [<c0036dc8>] (kthread+0x108/0x148)
 r10:c6b3a158 r9:c683dea4 r8:c6af2540 r7:c6b3c000 r6:00000000 r5:c6aea9e0
 r4:c6b3a140
[<c0036cc0>] (kthread) from [<c000a760>] (ret_from_fork+0x14/0x34)
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0036cc0
 r4:c6aea9e0
---[ end trace e135565f36314d3a ]---
Console: switching to colour frame buffer device 100x37
------------[ cut here ]------------
WARNING: CPU: 0 PID: 33 at drivers/gpu/drm/drm_atomic_helper.c:1249 drm_atomic_helper_wait_for_vblanks.part.1+0x280/0x290 [drm_kms_helper]
[CRTC:29:tilcdc crtc] vblank wait timed out
Modules linked in: tvp514x tilcdc dumb_vga_dac vpif_capture videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 drm_kms_helper videobuf2_core ahci_da850 da8xx v4l2_fwnode phy_generic syscopyarea libahci_platform sysfillrect v4l2_common sysimgblt musb_hdrc libahci snd_soc_simple_card fb_sys_fops videodev ohci_da8xx snd_soc_davinci_mcasp snd_soc_tlv320aic3x snd_soc_simple_card_utils ohci_hcd udc_core drm snd_soc_edma libata snd_soc_core usbcore snd_pcm_dmaengine backlight scsi_mod vpif usb_common snd_pcm snd_timer snd soundcore rtc_omap davinci_wdt phy_da8xx_usb davinci_nand nand nand_ecc mtd evbug evdev ti_aemif
CPU: 0 PID: 33 Comm: kworker/0:2 Tainted: G        W        4.15.0-rc7-08593-ge57d17499fc9-dirty #25
Hardware name: Generic DA850/OMAP-L138/AM18x
Workqueue: events deferred_probe_work_func
Backtrace:
[<c000da48>] (dump_backtrace) from [<c000dd00>] (show_stack+0x18/0x1c)
 r7:00000009 r6:00000000 r5:bf42430c r4:c6b3d828
[<c000dce8>] (show_stack) from [<c0462048>] (dump_stack+0x20/0x28)
[<c0462028>] (dump_stack) from [<c001a7b0>] (__warn+0xf4/0x11c)
[<c001a6bc>] (__warn) from [<c001a818>] (warn_slowpath_fmt+0x40/0x48)
 r7:00000000 r6:00000001 r5:c6b2a010 r4:bf424570
[<c001a7dc>] (warn_slowpath_fmt) from [<bf41b138>] (drm_atomic_helper_wait_for_vblanks.part.1+0x280/0x290 [drm_kms_helper])
 r3:0000001d r2:bf424570
 r4:00000000
[<bf41aeb8>] (drm_atomic_helper_wait_for_vblanks.part.1 [drm_kms_helper]) from [<bf41b164>] (drm_atomic_helper_wait_for_vblanks+0x1c/0x20 [drm_kms_helper])
 r10:c6072840 r9:c62d0db4 r8:c63e9d00 r7:c63e9dc0 r6:c62d0c00 r5:00000000
 r4:c63e9dc0
[<bf41b148>] (drm_atomic_helper_wait_for_vblanks [drm_kms_helper]) from [<bf45f044>] (tilcdc_commit+0x70/0x84 [tilcdc])
[<bf45efd4>] (tilcdc_commit [tilcdc]) from [<bf29cca0>] (drm_atomic_commit+0x4c/0x60 [drm])
 r7:c63e9dc0 r6:c62d0c00 r5:c63e9dc0 r4:00000000
[<bf29cc54>] (drm_atomic_commit [drm]) from [<bf41ee40>] (restore_fbdev_mode_atomic+0x198/0x1f0 [drm_kms_helper])
 r7:c63e9dc0 r6:00000001 r5:00000001 r4:00000001
[<bf41eca8>] (restore_fbdev_mode_atomic [drm_kms_helper]) from [<bf41f144>] (drm_fb_helper_pan_display+0xa8/0x1bc [drm_kms_helper])
 r10:00000000 r9:bf45efd4 r8:c62d0400 r7:c6096a1c r6:00000000 r5:c60728d0
 r4:c6072840
[<bf41f09c>] (drm_fb_helper_pan_display [drm_kms_helper]) from [<c026e640>] (fb_pan_display+0xd0/0x138)
 r10:00000000 r9:c62d0400 r8:00000258 r7:00000000 r6:00000000 r5:c6096a1c
 r4:c62d0400 r3:00000000
[<c026e570>] (fb_pan_display) from [<c027cd30>] (bit_update_start+0x1c/0x38)
 r9:c62d0400 r8:c6096a00 r7:c061b720 r6:c061d718 r5:c62d0400 r4:c6096a00
[<c027cd14>] (bit_update_start) from [<c027b9d4>] (fbcon_switch+0x330/0x574)
 r5:00000000 r4:c680e000
[<c027b6a4>] (fbcon_switch) from [<c02b1270>] (redraw_screen+0x14c/0x254)
 r10:c061db94 r9:00000000 r8:c0537224 r7:00000080 r6:c061db94 r5:00000000
 r4:c680e000
[<c02b1124>] (redraw_screen) from [<c02b1ecc>] (do_bind_con_driver+0x2b0/0x3a4)
 r8:c0537224 r7:00000001 r6:c061db94 r5:00000000 r4:00000014
[<c02b1c1c>] (do_bind_con_driver) from [<c02b2390>] (do_take_over_console+0x144/0x1c4)
 r10:c061dbb0 r9:00000001 r8:0000003e r7:00000000 r6:00000000 r5:00000000
 r4:c04ae860
[<c02b224c>] (do_take_over_console) from [<c0278e7c>] (do_fbcon_takeover+0x70/0xd8)
 r10:c62d061c r9:c061d718 r8:c62d0400 r7:00000000 r6:c6b3dc68 r5:c061d718
 r4:c05f011c
[<c0278e0c>] (do_fbcon_takeover) from [<c027c970>] (fbcon_event_notify+0x8a0/0x904)
 r5:ffffffff r4:c05f011c
[<c027c0d0>] (fbcon_event_notify) from [<c0038564>] (notifier_call_chain+0x4c/0x88)
 r10:c62d061c r9:c62d040c r8:00000000 r7:00000005 r6:c6b3dc68 r5:ffffffff
 r4:00000000
[<c0038518>] (notifier_call_chain) from [<c00389a4>] (__blocking_notifier_call_chain+0x50/0x68)
 r9:c62d040c r8:c061b718 r7:ffffffff r6:c6b3dc68 r5:c05f003c r4:00000005
[<c0038954>] (__blocking_notifier_call_chain) from [<c00389dc>] (blocking_notifier_call_chain+0x20/0x28)
 r7:00000000 r6:c05c133c r5:c62d0400 r4:c05c133c
[<c00389bc>] (blocking_notifier_call_chain) from [<c026e2d8>] (fb_notifier_call_chain+0x1c/0x24)
[<c026e2bc>] (fb_notifier_call_chain) from [<c02701cc>] (register_framebuffer+0x184/0x294)
[<c0270048>] (register_framebuffer) from [<bf421804>] (__drm_fb_helper_initial_config_and_unlock+0x20c/0x3e8 [drm_kms_helper])
 r10:00000001 r9:c63e9d28 r8:00000000 r7:00000000 r6:bf426860 r5:c62d0400
 r4:c6072840
[<bf4215f8>] (__drm_fb_helper_initial_config_and_unlock [drm_kms_helper]) from [<bf421a18>] (drm_fb_helper_initial_config+0x38/0x40 [drm_kms_helper])
 r10:c0604000 r9:c7ee6ef0 r8:00000010 r7:bf422f3c r6:c62d0c00 r5:00000010
 r4:c6072840
[<bf4219e0>] (drm_fb_helper_initial_config [drm_kms_helper]) from [<bf421e78>] (drm_fbdev_cma_init_with_funcs+0x7c/0x100 [drm_kms_helper])
 r5:00000000 r4:c6072840
[<bf421dfc>] (drm_fbdev_cma_init_with_funcs [drm_kms_helper]) from [<bf421f10>] (drm_fbdev_cma_init+0x14/0x1c [drm_kms_helper])
 r9:c7ee6ef0 r8:00000000 r7:c689d210 r6:c6102850 r5:c62d0c00 r4:bf461068
[<bf421efc>] (drm_fbdev_cma_init [drm_kms_helper]) from [<bf45f46c>] (tilcdc_init.constprop.2+0x3d0/0x61c [tilcdc])
[<bf45f09c>] (tilcdc_init.constprop.2 [tilcdc]) from [<bf45f714>] (tilcdc_pdev_probe+0x5c/0x80 [tilcdc])
 r10:c0604000 r9:0000000f r8:bf461174 r7:fffffdfb r6:bf461174 r5:ffffffed
 r4:c689d210
[<bf45f6b8>] (tilcdc_pdev_probe [tilcdc]) from [<c02cccb0>] (platform_drv_probe+0x58/0xb8)
 r4:c689d210
[<c02ccc58>] (platform_drv_probe) from [<c02cb0a0>] (driver_probe_device+0x24c/0x338)
 r7:00000000 r6:00000000 r5:c061ebfc r4:c689d210
[<c02cae54>] (driver_probe_device) from [<c02cb2f0>] (__device_attach_driver+0xa0/0xd4)
 r9:00000000 r8:c05d886c r7:00000001 r6:c689d210 r5:c6b3de78 r4:bf461174
[<c02cb250>] (__device_attach_driver) from [<c02c9338>] (bus_for_each_drv+0x6c/0x9c)
 r7:00000001 r6:c02cb250 r5:c6b3de78 r4:00000000
[<c02c92cc>] (bus_for_each_drv) from [<c02cad2c>] (__device_attach+0xb4/0x11c)
 r6:c689d210 r5:c689d244 r4:c689d210
[<c02cac78>] (__device_attach) from [<c02cb370>] (device_initial_probe+0x14/0x18)
 r7:c05f4824 r6:c689d210 r5:c05f49e8 r4:c689d210
[<c02cb35c>] (device_initial_probe) from [<c02ca298>] (bus_probe_device+0x8c/0x94)
[<c02ca20c>] (bus_probe_device) from [<c02ca700>] (deferred_probe_work_func+0x50/0x148)
 r7:c05f4824 r6:c05f480c r5:c05f480c r4:c689d210
[<c02ca6b0>] (deferred_probe_work_func) from [<c0031020>] (process_one_work+0x1f4/0x45c)
 r10:c05d886c r9:00000000 r8:c05d886c r7:c7ed5200 r6:00000000 r5:c6af2540
 r4:c05f482c
[<c0030e2c>] (process_one_work) from [<c00312c8>] (worker_thread+0x40/0x64c)
 r10:c05d886c r9:c6b3c000 r8:00000008 r7:c05e8200 r6:c05d8880 r5:c6af2558
 r4:c6af2540
[<c0031288>] (worker_thread) from [<c0036dc8>] (kthread+0x108/0x148)
 r10:c6b3a158 r9:c683dea4 r8:c6af2540 r7:c6b3c000 r6:00000000 r5:c6aea9e0
 r4:c6b3a140
[<c0036cc0>] (kthread) from [<c000a760>] (ret_from_fork+0x14/0x34)
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0036cc0
 r4:c6aea9e0
---[ end trace e135565f36314d3b ]---
tilcdc 1e13000.display: fb0:  frame buffer device
[drm] Initialized tilcdc 1.0.0 20121205 for 1e13000.display on minor 0