From mboxrd@z Thu Jan 1 00:00:00 1970 From: jani.nikula@linux.intel.com (Jani Nikula) Date: Thu, 09 Nov 2017 17:01:35 +0200 Subject: [PATCH] drm/bridge: dw-hdmi: fix EDID parsing In-Reply-To: References: <20171109082317.predibr5vv2d33i2@phenom.ffwll.local> <20171109093122.GA12318@n2100.armlinux.org.uk> <87inejaiij.fsf@intel.com> <87efp7abwi.fsf@intel.com> Message-ID: <878tffa434.fsf@intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 09 Nov 2017, Lu?s Mendes wrote: > Hi Jani, > > I tried: > git clone git://people.freedesktop.org/~airlied/linux -b drm-next > --depth=1 --single-branch > > I got this: > EDID isn't loaded from file > > # cat /proc/cmdline > console=ttymxc0,115200 root=/dev/sda2 rw video=HDMI-A-1:1920x1080M at 60 > drm.edid_firmware=edid/ktc_edid.bin dw_hdmi.dyndbg=+pfl cma=128M Please try adding D at the end of your video= parameter to force connector on. Otherwise it'll do a ddc probe which apparently fails with your display. BR, Jani. > > #zcat /proc/config.gz | grep EDID > CONFIG_DRM_LOAD_EDID_FIRMWARE=y > # CONFIG_FIRMWARE_EDID is not set > > #cat /sys/class/drm/card1-HDMI-A-1/edid > > > dmesg output follows below... > > Regards, > Lu?s Mendes > > [ 7.381500] dwhdmi-imx 120000.hdmi: Detected HDMI TX controller > v1.30a with HDCP (DWC HDMI 3D TX PHY) > [ 7.409108] hdmi_set_clk_regenerator:521: dwhdmi-imx 120000.hdmi: > hdmi_set_clk_regenerator: fs=48000Hz ftdms=74.250MHz N=6144 cts=74250 > [ 7.411001] dw_hdmi_irq:2146: dwhdmi-imx 120000.hdmi: EVENT=plugin > [ 7.421524] imx-drm display-subsystem: bound 120000.hdmi (ops > dw_hdmi_imx_ops [dw_hdmi_imx]) > [ 7.481948] dw_hdmi_connector_get_modes:1917: dwhdmi-imx > 120000.hdmi: failed to get edid > [ 7.537018] fsl-asoc-card sound: sgtl5000 <-> 2028000.ssi mapping ok > [ 7.549254] ------------[ cut here ]------------ > [ 7.549303] WARNING: CPU: 2 PID: 219 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 7.549308] This function requires support for accurate vblank timestamps. > [ 7.549312] Modules linked in: snd_soc_imx_spdif(+) > snd_soc_fsl_asoc_card(+) snd_ac97_codec coda videobuf2_dma_contig > imx_vdoa v4l2_mem2mem videobuf2_vmalloc videobuf2_memops dw_hdmi_imx > imxdrm(+) dw_hdmi cec etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev > lp parport > [ 7.549396] CPU: 2 PID: 219 Comm: systemd-udevd Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 7.549401] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 7.549405] Backtrace: > [ 7.549427] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 7.549436] r7:c106eed0 r6:00000000 r5:600d0193 r4:c106eed0 > [ 7.549465] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 7.549486] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 7.549496] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 7.549501] r4:edd15688 r3:00000000 > [ 7.549514] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 7.549523] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 7.549535] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 7.549540] r3:00000000 r2:c0d50064 > [ 7.549544] r4:edc2f000 > [ 7.549553] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 7.549560] r7:edc2f000 r6:00000001 r5:edc2f000 r4:eeb3e400 > [ 7.549614] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 7.549620] r5:eeb3e680 r4:edc2b018 > [ 7.549653] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 7.549660] r5:eeb3e680 r4:00000018 > [ 7.549682] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 7.549691] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:eeb3e680 r5:bf0ab088 > [ 7.549695] r4:eeb3e680 > [ 7.549723] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 7.549732] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 7.549737] r4:eeb3e680 r3:bf0a8174 > [ 7.549762] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 7.549780] r5:00000000 r4:eeb3e680 > [ 7.549820] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 7.549843] r7:eeb3e680 r6:edc2f000 r5:eeb3e680 r4:00000000 > [ 7.549865] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 7.549874] r7:eeb3e680 r6:00000001 r5:0000003f r4:000000a0 > [ 7.549886] [] (restore_fbdev_mode_atomic) from > [] (restore_fbdev_mode+0x30/0x168) > [ 7.549895] r10:edf57800 r9:c17e5a70 r8:00000000 r7:edf56e00 > r6:c17e5bc8 r5:edf56ed0 > [ 7.549899] r4:edf56e00 > [ 7.549914] [] (restore_fbdev_mode) from [] > (drm_fb_helper_restore_fbdev_mode_unlocked.part.8+0x28/0x7c) > [ 7.549925] r10:edf57800 r9:c17e5a70 r8:00000000 r7:c1022ed8 > r6:c17e5bc8 r5:edf56ed0 > [ 7.549931] r4:edf56e00 > [ 7.549943] [] > (drm_fb_helper_restore_fbdev_mode_unlocked.part.8) from [] > (drm_fb_helper_set_par+0x5c/0x8c) > [ 7.549950] r7:c1022ed8 r6:c17e5bc8 r5:edfe3400 r4:00000000 > [ 7.549972] [] (drm_fb_helper_set_par) from [] > (fbcon_init+0x564/0x5b0) > [ 7.549977] r5:edfe3400 r4:ee808c00 > [ 7.549992] [] (fbcon_init) from [] > (visual_init+0xcc/0x114) > [ 7.550001] r10:00000001 r9:ee808c00 r8:c17ebfb4 r7:00000000 > r6:ee808e08 r5:00000000 > [ 7.550005] r4:ee808c00 > [ 7.550016] [] (visual_init) from [] > (do_bind_con_driver+0x1b4/0x394) > [ 7.550023] r7:00000000 r6:00000000 r5:c17ebea0 r4:c0b3e0dc > [ 7.550033] [] (do_bind_con_driver) from [] > (do_take_over_console+0x15c/0x1c4) > [ 7.550041] r10:00000001 r9:0000003e r8:00000000 r7:c17ebeb0 > r6:00000000 r5:00000000 > [ 7.550045] r4:00000000 > [ 7.550057] [] (do_take_over_console) from [] > (do_fbcon_takeover+0x7c/0xd4) > [ 7.550065] r10:edfe3694 r9:edfe3400 r8:00000000 r7:00000000 > r6:00000005 r5:c17e5a70 > [ 7.550069] r4:c1022ed8 > [ 7.550080] [] (do_fbcon_takeover) from [] > (fbcon_event_notify+0x8c8/0x908) > [ 7.550086] r5:c1022ed8 r4:c17e5a70 > [ 7.550105] [] (fbcon_event_notify) from [] > (notifier_call_chain+0x4c/0x8c) > [ 7.550114] r10:edfe3694 r9:edfe340c r8:00000000 r7:00000000 > r6:00000005 r5:edd15ab0 > [ 7.550118] r4:ffffffff > [ 7.550129] [] (notifier_call_chain) from [] > (__blocking_notifier_call_chain+0x50/0x68) > [ 7.550138] r9:edfe340c r8:c17e5a38 r7:ffffffff r6:edd15ab0 > r5:c1022cfc r4:00000005 > [ 7.550150] [] (__blocking_notifier_call_chain) from > [] (blocking_notifier_call_chain+0x20/0x28) > [ 7.550156] r7:00000000 r6:c1007f10 r5:edfe3400 r4:c1007f10 > [ 7.550178] [] (blocking_notifier_call_chain) from > [] (fb_notifier_call_chain+0x20/0x24) > [ 7.550188] [] (fb_notifier_call_chain) from [] > (register_framebuffer+0x1f8/0x2ac) > [ 7.550206] [] (register_framebuffer) from [] > (__drm_fb_helper_initial_config_and_unlock+0x220/0x414) > [ 7.550214] r10:bf0a855c r9:00000000 r8:00000000 r7:c1031728 > r6:edc2f000 r5:edfe3400 > [ 7.550218] r4:edf56e00 > [ 7.550230] [] > (__drm_fb_helper_initial_config_and_unlock) from [] > (drm_fb_helper_initial_config+0x40/0x44) > [ 7.550238] r10:bf0a855c r9:c1031d28 r8:00000010 r7:c0b450e0 > r6:edc2f000 r5:00000010 > [ 7.550242] r4:edf56e00 > [ 7.550253] [] (drm_fb_helper_initial_config) from > [] (drm_fbdev_cma_init_with_funcs+0x88/0x100) > [ 7.550258] r5:00000000 r4:edf56e00 > [ 7.550269] [] (drm_fbdev_cma_init_with_funcs) from > [] (drm_fbdev_cma_init+0x14/0x1c) > [ 7.550277] r9:c1031d28 r8:00000000 r7:ed638c90 r6:eea12010 > r5:bf0ac000 r4:edc2f000 > [ 7.550314] [] (drm_fbdev_cma_init) from [] > (imx_drm_bind+0xf4/0x178 [imxdrm]) > [ 7.550346] [] (imx_drm_bind [imxdrm]) from [] > (try_to_bring_up_master+0x25c/0x2dc) > [ 7.550355] r9:c1031d28 r8:ed638450 r7:ed638940 r6:00000008 > r5:000000a0 r4:ed4d9580 > [ 7.550367] [] (try_to_bring_up_master) from [] > (component_add+0xb0/0x178) > [ 7.550375] r10:00000000 r9:bf0ac160 r8:00000000 r7:ed638ac0 > r6:c1031d20 r5:00000000 > [ 7.550380] r4:ed638940 > [ 7.550412] [] (component_add) from [] > (ipu_drm_probe+0x80/0xa4 [imxdrm]) > [ 7.550439] r9:bf0ac160 r8:00000000 r7:fffffdfb r6:bf0ac160 > r5:eddcfc10 r4:eddcfde0 > [ 7.550499] [] (ipu_drm_probe [imxdrm]) from [] > (platform_drv_probe+0x58/0xb8) > [ 7.550508] r5:ffffffed r4:eddcfc10 > [ 7.550522] [] (platform_drv_probe) from [] > (driver_probe_device+0x2d0/0x47c) > [ 7.550529] r7:c17ee208 r6:c1075608 r5:c17ee204 r4:eddcfc10 > [ 7.550542] [] (driver_probe_device) from [] > (__driver_attach+0x10c/0x128) > [ 7.550551] r10:bf0ac280 r9:c053b0e8 r8:00000000 r7:c1075530 > r6:bf0ac160 r5:eddcfc44 > [ 7.550555] r4:eddcfc10 > [ 7.550564] [] (__driver_attach) from [] > (bus_for_each_dev+0x70/0xa4) > [ 7.550572] r7:c1075530 r6:c0539418 r5:bf0ac160 r4:00000000 > [ 7.550582] [] (bus_for_each_dev) from [] > (driver_attach+0x24/0x28) > [ 7.550588] r6:c1032490 r5:edd76c00 r4:bf0ac160 > [ 7.550598] [] (driver_attach) from [] > (bus_add_driver+0x1ac/0x26c) > [ 7.550611] [] (bus_add_driver) from [] > (driver_register+0x80/0xfc) > [ 7.550618] r8:c053b0a4 r7:c053aa50 r6:c1075830 r5:00000001 r4:bf0ac160 > [ 7.550629] [] (driver_register) from [] > (__platform_register_drivers+0x80/0x164) > [ 7.550634] r5:00000001 r4:bf0ab090 > [ 7.550664] [] (__platform_register_drivers) from > [] (imx_drm_init+0x20/0x1000 [imxdrm]) > [ 7.550672] r10:edd15f40 r9:edeb9070 r8:bf0ac2c8 r7:edeb9980 > r6:00000000 r5:bf0b0000 > [ 7.550676] r4:ffffe000 > [ 7.550701] [] (imx_drm_init [imxdrm]) from [] > (do_one_initcall+0x4c/0x174) > [ 7.550717] [] (do_one_initcall) from [] > (do_init_module+0x68/0x1fc) > [ 7.550725] r9:edeb9070 r8:bf0ac2c8 r6:bf0ac280 r5:00000001 r4:bf0ac280 > [ 7.550735] [] (do_init_module) from [] > (load_module+0x2064/0x270c) > [ 7.550741] r7:edeb9040 r6:bf0ac280 r5:00000001 r4:00000001 > [ 7.550750] [] (load_module) from [] > (SyS_finit_module+0xbc/0xf8) > [ 7.550759] r10:00000000 r9:edd14000 r8:c0108da4 r7:0000017b > r6:b6e24d40 r5:0000000f > [ 7.550764] r4:00000000 > [ 7.550776] [] (SyS_finit_module) from [] > (ret_fast_syscall+0x0/0x28) > [ 7.550781] r6:00000000 r5:bebb39f4 r4:7778f500 > [ 7.550790] ---[ end trace 3e19c988c4369e1b ]--- > [ 7.590815] imx-spdif sound-spdif: snd-soc-dummy-dai <-> > 2004000.spdif mapping ok > [ 7.616586] dw_hdmi_setup:1679: dwhdmi-imx 120000.hdmi: Non-CEA > mode used in HDMI > [ 7.616616] hdmi_av_composer:1495: dwhdmi-imx 120000.hdmi: final > pixclk = 173106000 > [ 7.616670] dw_hdmi_phy_power_off:1096: dwhdmi-imx 120000.hdmi: PHY > powered down in 0 iterations > [ 7.678961] dw_hdmi_phy_power_on:1133: dwhdmi-imx 120000.hdmi: PHY > PLL locked 1 iterations > [ 7.678991] dw_hdmi_phy_power_off:1096: dwhdmi-imx 120000.hdmi: PHY > powered down in 0 iterations > [ 7.733710] dw_hdmi_phy_power_on:1133: dwhdmi-imx 120000.hdmi: PHY > PLL locked 1 iterations > [ 7.733749] dw_hdmi_setup:1744: dwhdmi-imx 120000.hdmi: > dw_hdmi_setup DVI mode > [ 7.734455] ------------[ cut here ]------------ > [ 7.734483] WARNING: CPU: 2 PID: 219 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 7.734491] This function requires support for accurate vblank timestamps. > [ 7.734495] Modules linked in: snd_soc_imx_sgtl5000 > snd_soc_imx_spdif snd_soc_fsl_asoc_card snd_ac97_codec coda > videobuf2_dma_contig imx_vdoa v4l2_mem2mem videobuf2_vmalloc > videobuf2_memops dw_hdmi_imx imxdrm(+) dw_hdmi cec etnaviv imx_ipu_v3 > binfmt_misc parport_pc ppdev lp parport > [ 7.734575] CPU: 2 PID: 219 Comm: systemd-udevd Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 7.734580] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 7.734584] Backtrace: > [ 7.734601] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 7.734609] r7:c106eed0 r6:00000000 r5:600f0093 r4:c106eed0 > [ 7.734627] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 7.734643] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 7.734652] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 7.734657] r4:edd15520 r3:00000000 > [ 7.734667] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 7.734675] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 7.734686] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 7.734691] r3:00000000 r2:c0d50064 > [ 7.734695] r4:edc2f000 > [ 7.734705] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 7.734711] r7:edc2f000 r6:00000001 r5:edc2f000 r4:edeb5b00 > [ 7.734751] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 7.734757] r5:edeb5700 r4:edc2b018 > [ 7.734785] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 7.734791] r5:edeb5700 r4:00000018 > [ 7.734811] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 7.734821] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:edeb5700 r5:bf0ab088 > [ 7.734825] r4:edeb5700 > [ 7.734848] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 7.734857] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 7.734862] r4:edeb5700 r3:bf0a8174 > [ 7.734872] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 7.734878] r5:00000000 r4:edeb5700 > [ 7.734895] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 7.734902] r7:edeb5700 r6:edc2f000 r5:edeb5700 r4:00000000 > [ 7.734916] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 7.734922] r7:edeb5700 r6:00000001 r5:0000003f r4:000000a0 > [ 7.734933] [] (restore_fbdev_mode_atomic) from > [] (drm_fb_helper_pan_display+0xb0/0x1bc) > [ 7.734942] r10:00000000 r9:c04feb78 r8:edfe3400 r7:edf5781c > r6:00000000 r5:edf56ed0 > [ 7.734946] r4:edf56e00 > [ 7.734966] [] (drm_fb_helper_pan_display) from > [] (fb_pan_display+0xd4/0x140) > [ 7.734974] r10:00000000 r9:edf57800 r8:00000438 r7:00000000 > r6:00000000 r5:edf5781c > [ 7.734979] r4:edfe3400 r3:00000000 > [ 7.734993] [] (fb_pan_display) from [] > (bit_update_start+0x1c/0x38) > [ 7.735002] r10:00000000 r9:edf57800 r8:c17e5bc8 r7:c17e5a70 > r6:ee808c00 r5:edfe3400 > [ 7.735007] r4:edf57800 r3:c049a648 > [ 7.735017] [] (bit_update_start) from [] > (fbcon_switch+0x340/0x558) > [ 7.735022] r5:edfe3400 r4:ee808dc8 > [ 7.735034] [] (fbcon_switch) from [] > (redraw_screen+0x150/0x248) > [ 7.735043] r10:00000000 r9:00000000 r8:fffffe20 r7:00000001 > r6:00000000 r5:00000000 > [ 7.735047] r4:ee808c00 > [ 7.735056] [] (redraw_screen) from [] > (fbcon_prepare_logo+0x354/0x3e4) > [ 7.735064] r8:fffffe20 r7:00000043 r6:00000000 r5:00000000 r4:ee808c00 > [ 7.735076] [] (fbcon_prepare_logo) from [] > (fbcon_init+0x3d0/0x5b0) > [ 7.735084] r10:edf57800 r9:c17e5a70 r8:c17e5bc8 r7:c1022ed8 > r6:c17e5bc8 r5:edfe3400 > [ 7.735088] r4:ee808c00 > [ 7.735097] [] (fbcon_init) from [] > (visual_init+0xcc/0x114) > [ 7.735105] r10:00000001 r9:ee808c00 r8:c17ebfb4 r7:00000000 > r6:ee808e08 r5:00000000 > [ 7.735109] r4:ee808c00 > [ 7.735118] [] (visual_init) from [] > (do_bind_con_driver+0x1b4/0x394) > [ 7.735125] r7:00000000 r6:00000000 r5:c17ebea0 r4:c0b3e0dc > [ 7.735135] [] (do_bind_con_driver) from [] > (do_take_over_console+0x15c/0x1c4) > [ 7.735143] r10:00000001 r9:0000003e r8:00000000 r7:c17ebeb0 > r6:00000000 r5:00000000 > [ 7.735147] r4:00000000 > [ 7.735156] [] (do_take_over_console) from [] > (do_fbcon_takeover+0x7c/0xd4) > [ 7.735164] r10:edfe3694 r9:edfe3400 r8:00000000 r7:00000000 > r6:00000005 r5:c17e5a70 > [ 7.735168] r4:c1022ed8 > [ 7.735178] [] (do_fbcon_takeover) from [] > (fbcon_event_notify+0x8c8/0x908) > [ 7.735183] r5:c1022ed8 r4:c17e5a70 > [ 7.735200] [] (fbcon_event_notify) from [] > (notifier_call_chain+0x4c/0x8c) > [ 7.735208] r10:edfe3694 r9:edfe340c r8:00000000 r7:00000000 > r6:00000005 r5:edd15ab0 > [ 7.735212] r4:ffffffff > [ 7.735223] [] (notifier_call_chain) from [] > (__blocking_notifier_call_chain+0x50/0x68) > [ 7.735232] r9:edfe340c r8:c17e5a38 r7:ffffffff r6:edd15ab0 > r5:c1022cfc r4:00000005 > [ 7.735242] [] (__blocking_notifier_call_chain) from > [] (blocking_notifier_call_chain+0x20/0x28) > [ 7.735248] r7:00000000 r6:c1007f10 r5:edfe3400 r4:c1007f10 > [ 7.735260] [] (blocking_notifier_call_chain) from > [] (fb_notifier_call_chain+0x20/0x24) > [ 7.735272] [] (fb_notifier_call_chain) from [] > (register_framebuffer+0x1f8/0x2ac) > [ 7.735289] [] (register_framebuffer) from [] > (__drm_fb_helper_initial_config_and_unlock+0x220/0x414) > [ 7.735297] r10:bf0a855c r9:00000000 r8:00000000 r7:c1031728 > r6:edc2f000 r5:edfe3400 > [ 7.735301] r4:edf56e00 > [ 7.735315] [] > (__drm_fb_helper_initial_config_and_unlock) from [] > (drm_fb_helper_initial_config+0x40/0x44) > [ 7.735323] r10:bf0a855c r9:c1031d28 r8:00000010 r7:c0b450e0 > r6:edc2f000 r5:00000010 > [ 7.735327] r4:edf56e00 > [ 7.735339] [] (drm_fb_helper_initial_config) from > [] (drm_fbdev_cma_init_with_funcs+0x88/0x100) > [ 7.735345] r5:00000000 r4:edf56e00 > [ 7.735356] [] (drm_fbdev_cma_init_with_funcs) from > [] (drm_fbdev_cma_init+0x14/0x1c) > [ 7.735364] r9:c1031d28 r8:00000000 r7:ed638c90 r6:eea12010 > r5:bf0ac000 r4:edc2f000 > [ 7.735394] [] (drm_fbdev_cma_init) from [] > (imx_drm_bind+0xf4/0x178 [imxdrm]) > [ 7.735422] [] (imx_drm_bind [imxdrm]) from [] > (try_to_bring_up_master+0x25c/0x2dc) > [ 7.735431] r9:c1031d28 r8:ed638450 r7:ed638940 r6:00000008 > r5:000000a0 r4:ed4d9580 > [ 7.735441] [] (try_to_bring_up_master) from [] > (component_add+0xb0/0x178) > [ 7.735449] r10:00000000 r9:bf0ac160 r8:00000000 r7:ed638ac0 > r6:c1031d20 r5:00000000 > [ 7.735453] r4:ed638940 > [ 7.735473] [] (component_add) from [] > (ipu_drm_probe+0x80/0xa4 [imxdrm]) > [ 7.735482] r9:bf0ac160 r8:00000000 r7:fffffdfb r6:bf0ac160 > r5:eddcfc10 r4:eddcfde0 > [ 7.735510] [] (ipu_drm_probe [imxdrm]) from [] > (platform_drv_probe+0x58/0xb8) > [ 7.735516] r5:ffffffed r4:eddcfc10 > [ 7.735530] [] (platform_drv_probe) from [] > (driver_probe_device+0x2d0/0x47c) > [ 7.735537] r7:c17ee208 r6:c1075608 r5:c17ee204 r4:eddcfc10 > [ 7.735548] [] (driver_probe_device) from [] > (__driver_attach+0x10c/0x128) > [ 7.735556] r10:bf0ac280 r9:c053b0e8 r8:00000000 r7:c1075530 > r6:bf0ac160 r5:eddcfc44 > [ 7.735560] r4:eddcfc10 > [ 7.735570] [] (__driver_attach) from [] > (bus_for_each_dev+0x70/0xa4) > [ 7.735577] r7:c1075530 r6:c0539418 r5:bf0ac160 r4:00000000 > [ 7.735586] [] (bus_for_each_dev) from [] > (driver_attach+0x24/0x28) > [ 7.735594] r6:c1032490 r5:edd76c00 r4:bf0ac160 > [ 7.735604] [] (driver_attach) from [] > (bus_add_driver+0x1ac/0x26c) > [ 7.735614] [] (bus_add_driver) from [] > (driver_register+0x80/0xfc) > [ 7.735621] r8:c053b0a4 r7:c053aa50 r6:c1075830 r5:00000001 r4:bf0ac160 > [ 7.735632] [] (driver_register) from [] > (__platform_register_drivers+0x80/0x164) > [ 7.735637] r5:00000001 r4:bf0ab090 > [ 7.735663] [] (__platform_register_drivers) from > [] (imx_drm_init+0x20/0x1000 [imxdrm]) > [ 7.735671] r10:edd15f40 r9:edeb9070 r8:bf0ac2c8 r7:edeb9980 > r6:00000000 r5:bf0b0000 > [ 7.735675] r4:ffffe000 > [ 7.735698] [] (imx_drm_init [imxdrm]) from [] > (do_one_initcall+0x4c/0x174) > [ 7.735715] [] (do_one_initcall) from [] > (do_init_module+0x68/0x1fc) > [ 7.735723] r9:edeb9070 r8:bf0ac2c8 r6:bf0ac280 r5:00000001 r4:bf0ac280 > [ 7.735732] [] (do_init_module) from [] > (load_module+0x2064/0x270c) > [ 7.735739] r7:edeb9040 r6:bf0ac280 r5:00000001 r4:00000001 > [ 7.735748] [] (load_module) from [] > (SyS_finit_module+0xbc/0xf8) > [ 7.735757] r10:00000000 r9:edd14000 r8:c0108da4 r7:0000017b > r6:b6e24d40 r5:0000000f > [ 7.735761] r4:00000000 > [ 7.735776] [] (SyS_finit_module) from [] > (ret_fast_syscall+0x0/0x28) > [ 7.735782] r6:00000000 r5:bebb39f4 r4:7778f500 > [ 7.735788] ---[ end trace 3e19c988c4369e1c ]--- > [ 7.748484] Console: switching to colour frame buffer device 240x67 > [ 7.799927] ------------[ cut here ]------------ > [ 7.799956] WARNING: CPU: 2 PID: 219 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 7.799962] This function requires support for accurate vblank timestamps. > [ 7.799966] Modules linked in: snd_soc_imx_sgtl5000 > snd_soc_imx_spdif snd_soc_fsl_asoc_card snd_ac97_codec coda > videobuf2_dma_contig imx_vdoa v4l2_mem2mem videobuf2_vmalloc > videobuf2_memops dw_hdmi_imx imxdrm(+) dw_hdmi cec etnaviv imx_ipu_v3 > binfmt_misc parport_pc ppdev lp parport > [ 7.800052] CPU: 2 PID: 219 Comm: systemd-udevd Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 7.800057] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 7.800061] Backtrace: > [ 7.800081] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 7.800090] r7:c106eed0 r6:00000000 r5:600f0093 r4:c106eed0 > [ 7.800115] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 7.800134] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 7.800143] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 7.800148] r4:edd155f0 r3:00000000 > [ 7.800158] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 7.800166] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 7.800177] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 7.800182] r3:00000000 r2:c0d50064 > [ 7.800186] r4:edc2f000 > [ 7.800196] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 7.800203] r7:edc2f000 r6:00000001 r5:edc2f000 r4:edd94900 > [ 7.800249] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 7.800257] r5:edeb6480 r4:edc2b018 > [ 7.800304] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 7.800323] r5:edeb6480 r4:00000018 > [ 7.800360] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 7.800374] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:edeb6480 r5:bf0ab088 > [ 7.800386] r4:edeb6480 > [ 7.800424] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 7.800446] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 7.800459] r4:edeb6480 r3:bf0a8174 > [ 7.800471] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 7.800477] r5:00000000 r4:edeb6480 > [ 7.800497] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 7.800513] r7:edeb6480 r6:edc2f000 r5:edeb6480 r4:00000000 > [ 7.800541] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 7.800559] r7:edeb6480 r6:00000001 r5:0000003f r4:000000a0 > [ 7.800579] [] (restore_fbdev_mode_atomic) from > [] (drm_fb_helper_pan_display+0xb0/0x1bc) > [ 7.800601] r10:00000000 r9:c04feb78 r8:edfe3400 r7:edf5781c > r6:00000000 r5:edf56ed0 > [ 7.800617] r4:edf56e00 > [ 7.800661] [] (drm_fb_helper_pan_display) from > [] (fb_pan_display+0xd4/0x140) > [ 7.800688] r10:00000000 r9:edf57800 r8:00000438 r7:00000000 > r6:00000000 r5:edf5781c > [ 7.800700] r4:edfe3400 r3:00000000 > [ 7.800727] [] (fb_pan_display) from [] > (bit_update_start+0x1c/0x38) > [ 7.800746] r10:00000000 r9:edf57800 r8:c17e5bc8 r7:c17e5a70 > r6:ee808c00 r5:edfe3400 > [ 7.800763] r4:edf57800 r3:c049a648 > [ 7.800793] [] (bit_update_start) from [] > (fbcon_switch+0x340/0x558) > [ 7.800810] r5:edfe3400 r4:ee808dc8 > [ 7.800836] [] (fbcon_switch) from [] > (redraw_screen+0x150/0x248) > [ 7.800846] r10:c17ebe94 r9:00000000 r8:c0d3ede8 r7:00000001 > r6:00000000 r5:00000000 > [ 7.800857] r4:ee808c00 > [ 7.800883] [] (redraw_screen) from [] > (do_bind_con_driver+0x2bc/0x394) > [ 7.800902] r8:c0d3ede8 r7:00000001 r6:00000000 r5:c17ebe94 r4:00000000 > [ 7.800926] [] (do_bind_con_driver) from [] > (do_take_over_console+0x15c/0x1c4) > [ 7.800949] r10:00000001 r9:0000003e r8:00000000 r7:c17ebeb0 > r6:00000000 r5:00000000 > [ 7.800957] r4:00000000 > [ 7.800969] [] (do_take_over_console) from [] > (do_fbcon_takeover+0x7c/0xd4) > [ 7.800979] r10:edfe3694 r9:edfe3400 r8:00000000 r7:00000000 > r6:00000005 r5:c17e5a70 > [ 7.800983] r4:c1022ed8 > [ 7.800994] [] (do_fbcon_takeover) from [] > (fbcon_event_notify+0x8c8/0x908) > [ 7.801000] r5:c1022ed8 r4:c17e5a70 > [ 7.801028] [] (fbcon_event_notify) from [] > (notifier_call_chain+0x4c/0x8c) > [ 7.801049] r10:edfe3694 r9:edfe340c r8:00000000 r7:00000000 > r6:00000005 r5:edd15ab0 > [ 7.801060] r4:ffffffff > [ 7.801090] [] (notifier_call_chain) from [] > (__blocking_notifier_call_chain+0x50/0x68) > [ 7.801110] r9:edfe340c r8:c17e5a38 r7:ffffffff r6:edd15ab0 > r5:c1022cfc r4:00000005 > [ 7.801123] [] (__blocking_notifier_call_chain) from > [] (blocking_notifier_call_chain+0x20/0x28) > [ 7.801130] r7:00000000 r6:c1007f10 r5:edfe3400 r4:c1007f10 > [ 7.801143] [] (blocking_notifier_call_chain) from > [] (fb_notifier_call_chain+0x20/0x24) > [ 7.801155] [] (fb_notifier_call_chain) from [] > (register_framebuffer+0x1f8/0x2ac) > [ 7.801173] [] (register_framebuffer) from [] > (__drm_fb_helper_initial_config_and_unlock+0x220/0x414) > [ 7.801182] r10:bf0a855c r9:00000000 r8:00000000 r7:c1031728 > r6:edc2f000 r5:edfe3400 > [ 7.801187] r4:edf56e00 > [ 7.801200] [] > (__drm_fb_helper_initial_config_and_unlock) from [] > (drm_fb_helper_initial_config+0x40/0x44) > [ 7.801209] r10:bf0a855c r9:c1031d28 r8:00000010 r7:c0b450e0 > r6:edc2f000 r5:00000010 > [ 7.801213] r4:edf56e00 > [ 7.801225] [] (drm_fb_helper_initial_config) from > [] (drm_fbdev_cma_init_with_funcs+0x88/0x100) > [ 7.801230] r5:00000000 r4:edf56e00 > [ 7.801241] [] (drm_fbdev_cma_init_with_funcs) from > [] (drm_fbdev_cma_init+0x14/0x1c) > [ 7.801249] r9:c1031d28 r8:00000000 r7:ed638c90 r6:eea12010 > r5:bf0ac000 r4:edc2f000 > [ 7.801283] [] (drm_fbdev_cma_init) from [] > (imx_drm_bind+0xf4/0x178 [imxdrm]) > [ 7.801314] [] (imx_drm_bind [imxdrm]) from [] > (try_to_bring_up_master+0x25c/0x2dc) > [ 7.801323] r9:c1031d28 r8:ed638450 r7:ed638940 r6:00000008 > r5:000000a0 r4:ed4d9580 > [ 7.801333] [] (try_to_bring_up_master) from [] > (component_add+0xb0/0x178) > [ 7.801341] r10:00000000 r9:bf0ac160 r8:00000000 r7:ed638ac0 > r6:c1031d20 r5:00000000 > [ 7.801345] r4:ed638940 > [ 7.801366] [] (component_add) from [] > (ipu_drm_probe+0x80/0xa4 [imxdrm]) > [ 7.801374] r9:bf0ac160 r8:00000000 r7:fffffdfb r6:bf0ac160 > r5:eddcfc10 r4:eddcfde0 > [ 7.801400] [] (ipu_drm_probe [imxdrm]) from [] > (platform_drv_probe+0x58/0xb8) > [ 7.801406] r5:ffffffed r4:eddcfc10 > [ 7.801417] [] (platform_drv_probe) from [] > (driver_probe_device+0x2d0/0x47c) > [ 7.801424] r7:c17ee208 r6:c1075608 r5:c17ee204 r4:eddcfc10 > [ 7.801443] [] (driver_probe_device) from [] > (__driver_attach+0x10c/0x128) > [ 7.801455] r10:bf0ac280 r9:c053b0e8 r8:00000000 r7:c1075530 > r6:bf0ac160 r5:eddcfc44 > [ 7.801460] r4:eddcfc10 > [ 7.801480] [] (__driver_attach) from [] > (bus_for_each_dev+0x70/0xa4) > [ 7.801496] r7:c1075530 r6:c0539418 r5:bf0ac160 r4:00000000 > [ 7.801522] [] (bus_for_each_dev) from [] > (driver_attach+0x24/0x28) > [ 7.801536] r6:c1032490 r5:edd76c00 r4:bf0ac160 > [ 7.801548] [] (driver_attach) from [] > (bus_add_driver+0x1ac/0x26c) > [ 7.801566] [] (bus_add_driver) from [] > (driver_register+0x80/0xfc) > [ 7.801585] r8:c053b0a4 r7:c053aa50 r6:c1075830 r5:00000001 r4:bf0ac160 > [ 7.801611] [] (driver_register) from [] > (__platform_register_drivers+0x80/0x164) > [ 7.801626] r5:00000001 r4:bf0ab090 > [ 7.801665] [] (__platform_register_drivers) from > [] (imx_drm_init+0x20/0x1000 [imxdrm]) > [ 7.801678] r10:edd15f40 r9:edeb9070 r8:bf0ac2c8 r7:edeb9980 > r6:00000000 r5:bf0b0000 > [ 7.801682] r4:ffffe000 > [ 7.801721] [] (imx_drm_init [imxdrm]) from [] > (do_one_initcall+0x4c/0x174) > [ 7.801759] [] (do_one_initcall) from [] > (do_init_module+0x68/0x1fc) > [ 7.801787] r9:edeb9070 r8:bf0ac2c8 r6:bf0ac280 r5:00000001 r4:bf0ac280 > [ 7.801815] [] (do_init_module) from [] > (load_module+0x2064/0x270c) > [ 7.801835] r7:edeb9040 r6:bf0ac280 r5:00000001 r4:00000001 > [ 7.801859] [] (load_module) from [] > (SyS_finit_module+0xbc/0xf8) > [ 7.801882] r10:00000000 r9:edd14000 r8:c0108da4 r7:0000017b > r6:b6e24d40 r5:0000000f > [ 7.801896] r4:00000000 > [ 7.801927] [] (SyS_finit_module) from [] > (ret_fast_syscall+0x0/0x28) > [ 7.801940] r6:00000000 r5:bebb39f4 r4:7778f500 > [ 7.801947] ---[ end trace 3e19c988c4369e1d ]--- > [ 7.885327] imx-drm display-subsystem: fb0: frame buffer device > [ 7.937166] [drm] Initialized imx-drm 1.0.0 20120507 for > display-subsystem on minor 1 > [ 8.694540] ------------[ cut here ]------------ > [ 8.694576] WARNING: CPU: 0 PID: 464 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 8.694583] This function requires support for accurate vblank timestamps. > [ 8.694587] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 8.694682] CPU: 0 PID: 464 Comm: setfont Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 8.694687] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 8.694692] Backtrace: > [ 8.694713] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 8.694722] r7:c106eed0 r6:00000000 r5:60080093 r4:c106eed0 > [ 8.694747] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 8.694766] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 8.694777] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 8.694783] r4:ed5ab9f0 r3:00000000 > [ 8.694797] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 8.694809] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 8.694824] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 8.694831] r3:00000000 r2:c0d50064 > [ 8.694835] r4:edc2f000 > [ 8.694847] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 8.694856] r7:edc2f000 r6:00000001 r5:edc2f000 r4:edd94880 > [ 8.694906] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 8.694916] r5:edd94300 r4:edc2b018 > [ 8.694946] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 8.694951] r5:edd94300 r4:00000018 > [ 8.694969] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 8.694980] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:edd94300 r5:bf0ab088 > [ 8.694984] r4:edd94300 > [ 8.695007] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 8.695016] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 8.695021] r4:edd94300 r3:bf0a8174 > [ 8.695031] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 8.695037] r5:00000000 r4:edd94300 > [ 8.695054] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 8.695060] r7:edd94300 r6:edc2f000 r5:edd94300 r4:00000000 > [ 8.695075] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 8.695082] r7:edd94300 r6:00000001 r5:0000003f r4:000000a0 > [ 8.695093] [] (restore_fbdev_mode_atomic) from > [] (drm_fb_helper_pan_display+0xb0/0x1bc) > [ 8.695101] r10:00000000 r9:c04feb78 r8:edfe3400 r7:edf5781c > r6:00000000 r5:edf56ed0 > [ 8.695106] r4:edf56e00 > [ 8.695129] [] (drm_fb_helper_pan_display) from > [] (fb_pan_display+0xd4/0x140) > [ 8.695138] r10:00000000 r9:edf57800 r8:00000438 r7:00000000 > r6:00000000 r5:edf5781c > [ 8.695143] r4:edfe3400 r3:00000000 > [ 8.695160] [] (fb_pan_display) from [] > (bit_update_start+0x1c/0x38) > [ 8.695168] r10:00000000 r9:edf57800 r8:c17e5bc8 r7:c17e5a70 > r6:ee808c00 r5:edfe3400 > [ 8.695173] r4:edf57800 r3:c049a648 > [ 8.695183] [] (bit_update_start) from [] > (fbcon_switch+0x340/0x558) > [ 8.695188] r5:edfe3400 r4:ee808dc8 > [ 8.695205] [] (fbcon_switch) from [] > (redraw_screen+0x150/0x248) > [ 8.695213] r10:00000000 r9:edfe3400 r8:00000008 r7:00000001 > r6:c17e5a70 r5:00000000 > [ 8.695217] r4:ee808c00 > [ 8.695230] [] (redraw_screen) from [] > (fbcon_do_set_font+0x1e0/0x27c) > [ 8.695238] r8:00000008 r7:c17e5bc8 r6:c17e5a70 r5:00000000 r4:ee808c00 > [ 8.695248] [] (fbcon_do_set_font) from [] > (fbcon_set_font+0x208/0x224) > [ 8.695256] r10:00001000 r9:0000003e r8:ed5abdd8 r7:20135b36 > r6:c17ec890 r5:0000003f > [ 8.695260] r4:c17e7854 > [ 8.695272] [] (fbcon_set_font) from [] > (con_font_op+0x438/0x4f0) > [ 8.695282] r10:00000000 r9:010719c8 r8:00000000 r7:ee808c00 > r6:00000001 r5:ee808c00 > [ 8.695285] r4:ed5abe40 > [ 8.695304] [] (con_font_op) from [] > (vt_ioctl+0x14a0/0x199c) > [ 8.695312] r10:00000000 r9:ee808dc8 r8:00000000 r7:00000051 > r6:00000001 r5:ee808c00 > [ 8.695316] r4:bee8a33c > [ 8.695336] [] (vt_ioctl) from [] (tty_ioctl+0x190/0xbcc) > [ 8.695345] r10:00000000 r9:ed5aa000 r8:edfe9c00 r7:bee8a33c > r6:ededf400 r5:edfe9c00 > [ 8.695349] r4:00004b72 > [ 8.695363] [] (tty_ioctl) from [] > (do_vfs_ioctl+0xac/0xa2c) > [ 8.695374] r9:ed5aa000 r8:00000003 r7:c023f474 r6:ededf400 > r5:ee90b3a8 r4:bee8a33c > [ 8.695382] [] (do_vfs_ioctl) from [] > (SyS_ioctl+0x3c/0x64) > [ 8.695390] r10:00000000 r9:ed5aa000 r8:bee8a33c r7:00004b72 > r6:ededf400 r5:00000003 > [ 8.695394] r4:ededf400 > [ 8.695411] [] (SyS_ioctl) from [] > (ret_fast_syscall+0x0/0x28) > [ 8.695420] r9:ed5aa000 r8:c0108da4 r7:00000036 r6:00000010 > r5:00000008 r4:00027128 > [ 8.695425] ---[ end trace 3e19c988c4369e1e ]--- > [ 8.732040] ------------[ cut here ]------------ > [ 8.732072] WARNING: CPU: 1 PID: 469 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 8.732077] This function requires support for accurate vblank timestamps. > [ 8.732083] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 8.732168] CPU: 1 PID: 469 Comm: setfont Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 8.732175] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 8.732179] Backtrace: > [ 8.732196] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 8.732206] r7:c106eed0 r6:00000000 r5:60080093 r4:c106eed0 > [ 8.732226] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 8.732246] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 8.732255] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 8.732260] r4:ed0cd9f0 r3:00000000 > [ 8.732271] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 8.732280] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 8.732297] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 8.732302] r3:00000000 r2:c0d50064 > [ 8.732306] r4:edc2f000 > [ 8.732316] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 8.732323] r7:edc2f000 r6:00000001 r5:edc2f000 r4:edc80680 > [ 8.732361] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 8.732367] r5:ed1cdc00 r4:edc2b018 > [ 8.732392] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 8.732397] r5:ed1cdc00 r4:00000018 > [ 8.732415] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 8.732426] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:ed1cdc00 r5:bf0ab088 > [ 8.732430] r4:ed1cdc00 > [ 8.732454] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 8.732463] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 8.732467] r4:ed1cdc00 r3:bf0a8174 > [ 8.732477] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 8.732482] r5:00000000 r4:ed1cdc00 > [ 8.732497] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 8.732504] r7:ed1cdc00 r6:edc2f000 r5:ed1cdc00 r4:00000000 > [ 8.732519] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 8.732526] r7:ed1cdc00 r6:00000001 r5:0000003f r4:000000a0 > [ 8.732537] [] (restore_fbdev_mode_atomic) from > [] (drm_fb_helper_pan_display+0xb0/0x1bc) > [ 8.732546] r10:00000000 r9:c04feb78 r8:edfe3400 r7:edf5781c > r6:00000000 r5:edf56ed0 > [ 8.732550] r4:edf56e00 > [ 8.732568] [] (drm_fb_helper_pan_display) from > [] (fb_pan_display+0xd4/0x140) > [ 8.732578] r10:00000000 r9:edf57800 r8:00000438 r7:00000000 > r6:00000000 r5:edf5781c > [ 8.732583] r4:edfe3400 r3:00000000 > [ 8.732600] [] (fb_pan_display) from [] > (bit_update_start+0x1c/0x38) > [ 8.732615] r10:00000000 r9:edf57800 r8:c17e5bc8 r7:c17e5a70 > r6:ee808c00 r5:edfe3400 > [ 8.732621] r4:edf57800 r3:c049a648 > [ 8.732638] [] (bit_update_start) from [] > (fbcon_switch+0x340/0x558) > [ 8.732645] r5:edfe3400 r4:ee808dc8 > [ 8.732663] [] (fbcon_switch) from [] > (redraw_screen+0x150/0x248) > [ 8.732674] r10:00000000 r9:edfe3400 r8:00000008 r7:00000001 > r6:c17e5a70 r5:00000000 > [ 8.732678] r4:ee808c00 > [ 8.732694] [] (redraw_screen) from [] > (fbcon_do_set_font+0x1e0/0x27c) > [ 8.732703] r8:00000008 r7:c17e5bc8 r6:c17e5a70 r5:ee39c010 r4:ee808c00 > [ 8.732715] [] (fbcon_do_set_font) from [] > (fbcon_set_font+0x208/0x224) > [ 8.732726] r10:c17e5bc8 r9:0000003e r8:ed0cddd8 r7:20135b36 > r6:c17ebfb4 r5:00000000 > [ 8.732730] r4:c17e5bc8 > [ 8.732744] [] (fbcon_set_font) from [] > (con_font_op+0x438/0x4f0) > [ 8.732755] r10:00000000 r9:008379c8 r8:00000000 r7:ee808c00 > r6:00000001 r5:ee808c00 > [ 8.732759] r4:ed0cde40 > [ 8.732777] [] (con_font_op) from [] > (vt_ioctl+0x14a0/0x199c) > [ 8.732788] r10:00000000 r9:ee808dc8 r8:00000000 r7:00000051 > r6:00000001 r5:ee808c00 > [ 8.732793] r4:bed9434c > [ 8.732810] [] (vt_ioctl) from [] (tty_ioctl+0x190/0xbcc) > [ 8.732823] r10:00000000 r9:ed0cc000 r8:edfe9c00 r7:bed9434c > r6:ed0dbcc0 r5:edfe9c00 > [ 8.732828] r4:00004b72 > [ 8.732847] [] (tty_ioctl) from [] > (do_vfs_ioctl+0xac/0xa2c) > [ 8.732856] r9:ed0cc000 r8:00000003 r7:c023f474 r6:ed0dbcc0 > r5:ee90b3a8 r4:bed9434c > [ 8.732867] [] (do_vfs_ioctl) from [] > (SyS_ioctl+0x3c/0x64) > [ 8.732877] r10:00000000 r9:ed0cc000 r8:bed9434c r7:00004b72 > r6:ed0dbcc0 r5:00000003 > [ 8.732882] r4:ed0dbcc0 > [ 8.732898] [] (SyS_ioctl) from [] > (ret_fast_syscall+0x0/0x28) > [ 8.732909] r9:ed0cc000 r8:c0108da4 r7:00000036 r6:00000010 > r5:00000008 r4:00027128 > [ 8.732914] ---[ end trace 3e19c988c4369e1f ]--- > [ 8.903802] ------------[ cut here ]------------ > [ 8.903857] WARNING: CPU: 2 PID: 483 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 8.903867] This function requires support for accurate vblank timestamps. > [ 8.903878] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 8.904099] CPU: 2 PID: 483 Comm: setfont Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 8.904110] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 8.904114] Backtrace: > [ 8.904145] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 8.904165] r7:c106eed0 r6:00000000 r5:60080093 r4:c106eed0 > [ 8.904209] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 8.904238] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 8.904249] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 8.904255] r4:ed0e39f0 r3:00000000 > [ 8.904266] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 8.904274] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 8.904287] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 8.904293] r3:00000000 r2:c0d50064 > [ 8.904297] r4:edc2f000 > [ 8.904307] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 8.904314] r7:edc2f000 r6:00000001 r5:edc2f000 r4:edef7d00 > [ 8.904349] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 8.904354] r5:ed787480 r4:edc2b018 > [ 8.904389] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 8.904407] r5:ed787480 r4:00000018 > [ 8.904444] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 8.904466] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:ed787480 r5:bf0ab088 > [ 8.904474] r4:ed787480 > [ 8.904502] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 8.904511] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 8.904516] r4:ed787480 r3:bf0a8174 > [ 8.904529] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 8.904534] r5:00000000 r4:ed787480 > [ 8.904552] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 8.904561] r7:ed787480 r6:edc2f000 r5:ed787480 r4:00000000 > [ 8.904574] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 8.904581] r7:ed787480 r6:00000001 r5:0000003f r4:000000a0 > [ 8.904594] [] (restore_fbdev_mode_atomic) from > [] (drm_fb_helper_pan_display+0xb0/0x1bc) > [ 8.904603] r10:00000000 r9:c04feb78 r8:edfe3400 r7:edf5781c > r6:00000000 r5:edf56ed0 > [ 8.904607] r4:edf56e00 > [ 8.904635] [] (drm_fb_helper_pan_display) from > [] (fb_pan_display+0xd4/0x140) > [ 8.904643] r10:00000000 r9:edf57800 r8:00000438 r7:00000000 > r6:00000000 r5:edf5781c > [ 8.904648] r4:edfe3400 r3:00000000 > [ 8.904665] [] (fb_pan_display) from [] > (bit_update_start+0x1c/0x38) > [ 8.904673] r10:00000000 r9:edf57800 r8:c17e5bc8 r7:c17e5a70 > r6:ee808c00 r5:edfe3400 > [ 8.904678] r4:edf57800 r3:c049a648 > [ 8.904690] [] (bit_update_start) from [] > (fbcon_switch+0x340/0x558) > [ 8.904695] r5:edfe3400 r4:ee808dc8 > [ 8.904713] [] (fbcon_switch) from [] > (redraw_screen+0x150/0x248) > [ 8.904722] r10:00000000 r9:edfe3400 r8:00000008 r7:00000001 > r6:c17e5a70 r5:00000000 > [ 8.904726] r4:ee808c00 > [ 8.904737] [] (redraw_screen) from [] > (fbcon_do_set_font+0x1e0/0x27c) > [ 8.904747] r8:00000008 r7:c17e5bc8 r6:c17e5a70 r5:ee39c010 r4:ee808c00 > [ 8.904757] [] (fbcon_do_set_font) from [] > (fbcon_set_font+0x208/0x224) > [ 8.904765] r10:c17e5bc8 r9:0000003e r8:ed0e3dd8 r7:20135b36 > r6:c17ebfb4 r5:00000000 > [ 8.904769] r4:c17e5bc8 > [ 8.904782] [] (fbcon_set_font) from [] > (con_font_op+0x438/0x4f0) > [ 8.904791] r10:00000000 r9:00bdf9c8 r8:00000000 r7:ee808c00 > r6:00000001 r5:ee808c00 > [ 8.904795] r4:ed0e3e40 > [ 8.904817] [] (con_font_op) from [] > (vt_ioctl+0x14a0/0x199c) > [ 8.904825] r10:00000000 r9:ee808dc8 r8:00000000 r7:00000051 > r6:00000001 r5:ee808c00 > [ 8.904829] r4:bef4633c > [ 8.904851] [] (vt_ioctl) from [] (tty_ioctl+0x190/0xbcc) > [ 8.904860] r10:00000000 r9:ed0e2000 r8:edfe8c00 r7:bef4633c > r6:edebe000 r5:edfe8c00 > [ 8.904865] r4:00004b72 > [ 8.904880] [] (tty_ioctl) from [] > (do_vfs_ioctl+0xac/0xa2c) > [ 8.904888] r9:ed0e2000 r8:00000003 r7:c023f474 r6:edebe000 > r5:eeb242f8 r4:bef4633c > [ 8.904896] [] (do_vfs_ioctl) from [] > (SyS_ioctl+0x3c/0x64) > [ 8.904905] r10:00000000 r9:ed0e2000 r8:bef4633c r7:00004b72 > r6:edebe000 r5:00000003 > [ 8.904909] r4:edebe000 > [ 8.904925] [] (SyS_ioctl) from [] > (ret_fast_syscall+0x0/0x28) > [ 8.904933] r9:ed0e2000 r8:c0108da4 r7:00000036 r6:00000010 > r5:00000008 r4:00027128 > [ 8.904939] ---[ end trace 3e19c988c4369e20 ]--- > [ 8.961980] ------------[ cut here ]------------ > [ 8.962005] WARNING: CPU: 2 PID: 488 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 8.962010] This function requires support for accurate vblank timestamps. > [ 8.962014] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 8.962099] CPU: 2 PID: 488 Comm: setfont Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 8.962104] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 8.962107] Backtrace: > [ 8.962126] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 8.962134] r7:c106eed0 r6:00000000 r5:60080093 r4:c106eed0 > [ 8.962153] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 8.962168] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 8.962177] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 8.962182] r4:ed41f9f0 r3:00000000 > [ 8.962192] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 8.962200] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 8.962210] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 8.962215] r3:00000000 r2:c0d50064 > [ 8.962220] r4:edc2f000 > [ 8.962229] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 8.962236] r7:edc2f000 r6:00000001 r5:edc2f000 r4:ed787e80 > [ 8.962268] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 8.962274] r5:ed4f9200 r4:edc2b018 > [ 8.962298] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 8.962304] r5:ed4f9200 r4:00000018 > [ 8.962321] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 8.962330] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:ed4f9200 r5:bf0ab088 > [ 8.962334] r4:ed4f9200 > [ 8.962353] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 8.962362] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 8.962367] r4:ed4f9200 r3:bf0a8174 > [ 8.962376] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 8.962382] r5:00000000 r4:ed4f9200 > [ 8.962397] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 8.962404] r7:ed4f9200 r6:edc2f000 r5:ed4f9200 r4:00000000 > [ 8.962419] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 8.962426] r7:ed4f9200 r6:00000001 r5:0000003f r4:000000a0 > [ 8.962436] [] (restore_fbdev_mode_atomic) from > [] (drm_fb_helper_pan_display+0xb0/0x1bc) > [ 8.962444] r10:00000000 r9:c04feb78 r8:edfe3400 r7:edf5781c > r6:00000000 r5:edf56ed0 > [ 8.962448] r4:edf56e00 > [ 8.962466] [] (drm_fb_helper_pan_display) from > [] (fb_pan_display+0xd4/0x140) > [ 8.962474] r10:00000000 r9:edf57800 r8:00000438 r7:00000000 > r6:00000000 r5:edf5781c > [ 8.962479] r4:edfe3400 r3:00000000 > [ 8.962493] [] (fb_pan_display) from [] > (bit_update_start+0x1c/0x38) > [ 8.962501] r10:00000000 r9:edf57800 r8:c17e5bc8 r7:c17e5a70 > r6:ee808c00 r5:edfe3400 > [ 8.962506] r4:edf57800 r3:c049a648 > [ 8.962516] [] (bit_update_start) from [] > (fbcon_switch+0x340/0x558) > [ 8.962521] r5:edfe3400 r4:ee808dc8 > [ 8.962535] [] (fbcon_switch) from [] > (redraw_screen+0x150/0x248) > [ 8.962543] r10:00000000 r9:edfe3400 r8:00000008 r7:00000001 > r6:c17e5a70 r5:00000000 > [ 8.962547] r4:ee808c00 > [ 8.962557] [] (redraw_screen) from [] > (fbcon_do_set_font+0x1e0/0x27c) > [ 8.962565] r8:00000008 r7:c17e5bc8 r6:c17e5a70 r5:ee39c010 r4:ee808c00 > [ 8.962574] [] (fbcon_do_set_font) from [] > (fbcon_set_font+0x208/0x224) > [ 8.962583] r10:c17e5bc8 r9:0000003e r8:ed41fdd8 r7:20135b36 > r6:c17ebfb4 r5:00000000 > [ 8.962587] r4:c17e5bc8 > [ 8.962600] [] (fbcon_set_font) from [] > (con_font_op+0x438/0x4f0) > [ 8.962608] r10:00000000 r9:00b409c8 r8:00000000 r7:ee808c00 > r6:00000001 r5:ee808c00 > [ 8.962612] r4:ed41fe40 > [ 8.962632] [] (con_font_op) from [] > (vt_ioctl+0x14a0/0x199c) > [ 8.962641] r10:00000000 r9:ee808dc8 r8:00000000 r7:00000051 > r6:00000001 r5:ee808c00 > [ 8.962645] r4:beb4f34c > [ 8.962668] [] (vt_ioctl) from [] (tty_ioctl+0x190/0xbcc) > [ 8.962677] r10:00000000 r9:ed41e000 r8:edfe8c00 r7:beb4f34c > r6:ededa000 r5:edfe8c00 > [ 8.962681] r4:00004b72 > [ 8.962697] [] (tty_ioctl) from [] > (do_vfs_ioctl+0xac/0xa2c) > [ 8.962705] r9:ed41e000 r8:00000003 r7:c023f474 r6:ededa000 > r5:eeb242f8 r4:beb4f34c > [ 8.962714] [] (do_vfs_ioctl) from [] > (SyS_ioctl+0x3c/0x64) > [ 8.962723] r10:00000000 r9:ed41e000 r8:beb4f34c r7:00004b72 > r6:ededa000 r5:00000003 > [ 8.962727] r4:ededa000 > [ 8.962743] [] (SyS_ioctl) from [] > (ret_fast_syscall+0x0/0x28) > [ 8.962755] r9:ed41e000 r8:c0108da4 r7:00000036 r6:00000010 > r5:00000008 r4:00027128 > [ 8.962765] ---[ end trace 3e19c988c4369e21 ]--- > [ 8.966733] dw_hdmi_connector_get_modes:1917: dwhdmi-imx > 120000.hdmi: failed to get edid > [ 8.967669] ------------[ cut here ]------------ > [ 8.967706] WARNING: CPU: 1 PID: 15 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 8.967712] This function requires support for accurate vblank timestamps. > [ 8.967716] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 8.967804] CPU: 1 PID: 15 Comm: kworker/1:0 Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 8.967809] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 8.967831] Workqueue: events output_poll_execute > [ 8.967838] Backtrace: > [ 8.967860] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 8.967868] r7:c106eed0 r6:00000000 r5:600d0193 r4:c106eed0 > [ 8.967891] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 8.967909] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 8.967919] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 8.967924] r4:ee8a7c00 r3:00000000 > [ 8.967934] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 8.967943] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 8.967954] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 8.967960] r3:00000000 r2:c0d50064 > [ 8.967964] r4:edc2f000 > [ 8.967975] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 8.967982] r7:edc2f000 r6:00000001 r5:edc2f000 r4:ed1cd900 > [ 8.968020] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 8.968027] r5:ed1cd080 r4:edc2b018 > [ 8.968051] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 8.968057] r5:ed1cd080 r4:00000018 > [ 8.968076] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 8.968085] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:ed1cd080 r5:bf0ab088 > [ 8.968089] r4:ed1cd080 > [ 8.968107] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 8.968116] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 8.968121] r4:ed1cd080 r3:bf0a8174 > [ 8.968131] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 8.968136] r5:00000000 r4:ed1cd080 > [ 8.968151] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 8.968159] r7:ed1cd080 r6:edc2f000 r5:ed1cd080 r4:00000000 > [ 8.968172] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 8.968179] r7:ed1cd080 r6:00000001 r5:0000003f r4:000000a0 > [ 8.968192] [] (restore_fbdev_mode_atomic) from > [] (restore_fbdev_mode+0x30/0x168) > [ 8.968200] r10:00000001 r9:00000000 r8:edc2f254 r7:edf56e00 > r6:edf56ed0 r5:edf56ed0 > [ 8.968204] r4:edf56e00 > [ 8.968219] [] (restore_fbdev_mode) from [] > (drm_fb_helper_restore_fbdev_mode_unlocked.part.8+0x28/0x7c) > [ 8.968227] r10:00000001 r9:00000000 r8:edc2f254 r7:00000001 > r6:edf56ed0 r5:edf56ed0 > [ 8.968231] r4:edf56e00 > [ 8.968246] [] > (drm_fb_helper_restore_fbdev_mode_unlocked.part.8) from [] > (drm_fb_helper_set_par+0x5c/0x8c) > [ 8.968252] r7:00000001 r6:edf56ed0 r5:00000000 r4:00000000 > [ 8.968263] [] (drm_fb_helper_set_par) from [] > (drm_fb_helper_hotplug_event.part.7+0xa4/0xbc) > [ 8.968268] r5:00000000 r4:edf56e00 > [ 8.968280] [] (drm_fb_helper_hotplug_event.part.7) from > [] (drm_fb_helper_hotplug_event+0x2c/0x30) > [ 8.968286] r7:00000001 r6:00000000 r5:edc2f000 r4:edc2f000 > [ 8.968297] [] (drm_fb_helper_hotplug_event) from > [] (drm_fbdev_cma_hotplug_event+0x18/0x1c) > [ 8.968321] [] (drm_fbdev_cma_hotplug_event) from > [] (imx_drm_output_poll_changed+0x18/0x1c [imxdrm]) > [ 8.968348] [] (imx_drm_output_poll_changed [imxdrm]) > from [] (drm_kms_helper_hotplug_event+0x2c/0x30) > [ 8.968360] [] (drm_kms_helper_hotplug_event) from > [] (output_poll_execute+0x190/0x1a4) > [ 8.968366] r5:edc2f000 r4:edc2f418 > [ 8.968381] [] (output_poll_execute) from [] > (process_one_work+0x258/0x4f0) > [ 8.968389] r10:00000001 r9:00000000 r8:eefaed00 r7:ee8a7ef8 > r6:eefabcc0 r5:ee83bb00 > [ 8.968393] r4:edc2f418 > [ 8.968403] [] (process_one_work) from [] > (worker_thread+0x58/0x59c) > [ 8.968412] r10:ee8a6000 r9:eefabcf4 r8:c1004900 r7:00000008 > r6:ee83bb18 r5:eefabcc0 > [ 8.968416] r4:ee83bb00 > [ 8.968427] [] (worker_thread) from [] > (kthread+0x140/0x16c) > [ 8.968435] r10:ee85bd94 r9:ee83bc38 r8:ee83bb00 r7:ee8a6000 > r6:ee840180 r5:00000000 > [ 8.968439] r4:ee83bc00 > [ 8.968453] [] (kthread) from [] > (ret_from_fork+0x14/0x2c) > [ 8.968461] r10:00000000 r9:00000000 r8:00000000 r7:00000000 > r6:00000000 r5:c0146180 > [ 8.968465] r4:ee840180 > [ 8.968471] ---[ end trace 3e19c988c4369e22 ]--- > [ 10.604619] Atheros 8035 ethernet 2188000.ethernet-1:01: attached > PHY driver [Atheros 8035 ethernet] > (mii_bus:phy_addr=2188000.ethernet-1:01, irq=POLL) > [ 10.605926] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready > [ 14.077150] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - > flow control rx/tx > [ 14.078035] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready > [ 17.600543] ------------[ cut here ]------------ > [ 17.600578] WARNING: CPU: 2 PID: 782 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 17.600582] This function requires support for accurate vblank timestamps. > [ 17.600586] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 17.600672] CPU: 2 PID: 782 Comm: Xorg.wrap Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 17.600676] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 17.600680] Backtrace: > [ 17.600697] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 17.600705] r7:c106eed0 r6:00000000 r5:600f0093 r4:c106eed0 > [ 17.600723] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 17.600737] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 17.600746] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 17.600751] r4:ed059c80 r3:00000000 > [ 17.600760] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 17.600769] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 17.600781] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 17.600786] r3:00000000 r2:c0d50064 > [ 17.600790] r4:edc2f000 > [ 17.600800] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 17.600807] r7:edc2f000 r6:00000001 r5:edc2f000 r4:ed042b00 > [ 17.600836] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 17.600844] r5:ed409300 r4:edc2b018 > [ 17.600867] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 17.600874] r5:ed409300 r4:00000018 > [ 17.600892] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 17.600901] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:ed409300 r5:bf0ab088 > [ 17.600905] r4:ed409300 > [ 17.600923] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 17.600932] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 17.600937] r4:ed409300 r3:bf0a8174 > [ 17.600947] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 17.600952] r5:00000000 r4:ed409300 > [ 17.600968] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 17.600975] r7:ed409300 r6:edc2f000 r5:ed409300 r4:00000000 > [ 17.600987] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 17.600993] r7:ed409300 r6:00000001 r5:0000003f r4:000000a0 > [ 17.601004] [] (restore_fbdev_mode_atomic) from > [] (restore_fbdev_mode+0x30/0x168) > [ 17.601012] r10:edf5ecec r9:edc2f214 r8:00000000 r7:edf56e00 > r6:edf5ed00 r5:edf56ed0 > [ 17.601016] r4:edf56e00 > [ 17.601029] [] (restore_fbdev_mode) from [] > (drm_fb_helper_restore_fbdev_mode_unlocked.part.8+0x28/0x7c) > [ 17.601037] r10:edf5ecec r9:edc2f214 r8:00000000 r7:edc2f0f0 > r6:edf5ed00 r5:edf56ed0 > [ 17.601041] r4:edf56e00 > [ 17.601053] [] > (drm_fb_helper_restore_fbdev_mode_unlocked.part.8) from [] > (drm_fb_helper_restore_fbdev_mode_unlocked+0x38/0x44) > [ 17.601060] r7:edc2f0f0 r6:edf5ed00 r5:edc2f000 r4:edc2f000 > [ 17.601071] [] > (drm_fb_helper_restore_fbdev_mode_unlocked) from [] > (drm_fbdev_cma_restore_mode+0x18/0x1c) > [ 17.601091] [] (drm_fbdev_cma_restore_mode) from > [] (imx_drm_driver_lastclose+0x18/0x1c [imxdrm]) > [ 17.601108] [] (imx_drm_driver_lastclose [imxdrm]) from > [] (drm_lastclose+0x40/0xd4) > [ 17.601117] [] (drm_lastclose) from [] > (drm_release+0x2a8/0x364) > [ 17.601123] r5:edc2f000 r4:edf5ec00 > [ 17.601137] [] (drm_release) from [] (__fput+0x94/0x1e0) > [ 17.601146] r10:00000008 r9:ed759f28 r8:00000000 r7:edb5fc38 > r6:ee8d9410 r5:ed759f28 > [ 17.601150] r4:edee97c0 > [ 17.601158] [] (__fput) from [] (____fput+0x10/0x14) > [ 17.601167] r10:00000000 r9:edee97c0 r8:c1087070 r7:edfc5dc4 > r6:edfc5940 r5:edfc5d94 > [ 17.601171] r4:00000000 > [ 17.601186] [] (____fput) from [] > (task_work_run+0x9c/0xc0) > [ 17.601202] [] (task_work_run) from [] > (do_work_pending+0x94/0xbc) > [ 17.601210] r9:ed058000 r8:c0108da4 r7:ed059fb0 r6:c0108da4 > r5:ed058000 r4:00000004 > [ 17.601220] [] (do_work_pending) from [] > (slow_work_pending+0xc/0x20) > [ 17.601227] r7:00000006 r6:00000003 r5:be9c9cb4 r4:00000001 > [ 17.601231] ---[ end trace 3e19c988c4369e23 ]--- > [ 17.609550] ------------[ cut here ]------------ > [ 17.609591] WARNING: CPU: 3 PID: 783 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 17.609599] This function requires support for accurate vblank timestamps. > [ 17.609603] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 17.609687] CPU: 3 PID: 783 Comm: (agetty) Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 17.609692] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 17.609696] Backtrace: > [ 17.609715] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 17.609726] r7:c106eed0 r6:00000000 r5:600b0093 r4:c106eed0 > [ 17.609744] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 17.609760] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 17.609769] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 17.609774] r4:ed5e99b8 r3:00000000 > [ 17.609784] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 17.609793] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 17.609804] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 17.609811] r3:00000000 r2:c0d50064 > [ 17.609815] r4:edc2f000 > [ 17.609825] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 17.609832] r7:edc2f000 r6:00000001 r5:edc2f000 r4:ed043980 > [ 17.609872] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 17.609878] r5:edc3f780 r4:edc2b018 > [ 17.609908] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 17.609914] r5:edc3f780 r4:00000018 > [ 17.609933] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 17.609942] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:edc3f780 r5:bf0ab088 > [ 17.609947] r4:edc3f780 > [ 17.609971] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 17.609980] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 17.609985] r4:edc3f780 r3:bf0a8174 > [ 17.609996] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 17.610002] r5:00000000 r4:edc3f780 > [ 17.610020] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 17.610029] r7:edc3f780 r6:edc2f000 r5:edc3f780 r4:00000000 > [ 17.610043] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 17.610050] r7:edc3f780 r6:00000001 r5:0000003f r4:000000a0 > [ 17.610061] [] (restore_fbdev_mode_atomic) from > [] (drm_fb_helper_pan_display+0xb0/0x1bc) > [ 17.610070] r10:00000000 r9:c04feb78 r8:edfe3400 r7:edf5781c > r6:00000000 r5:edf56ed0 > [ 17.610074] r4:edf56e00 > [ 17.610104] [] (drm_fb_helper_pan_display) from > [] (fb_pan_display+0xd4/0x140) > [ 17.610116] r10:00000000 r9:edf57800 r8:00000438 r7:00000000 > r6:00000000 r5:edf5781c > [ 17.610121] r4:edfe3400 r3:00000000 > [ 17.610137] [] (fb_pan_display) from [] > (bit_update_start+0x1c/0x38) > [ 17.610146] r10:00000000 r9:edf57800 r8:c17e5bc8 r7:c17e5a70 > r6:ee808c00 r5:edfe3400 > [ 17.610152] r4:edf57800 r3:c049a648 > [ 17.610163] [] (bit_update_start) from [] > (fbcon_switch+0x340/0x558) > [ 17.610170] r5:edfe3400 r4:ee808dc8 > [ 17.610188] [] (fbcon_switch) from [] > (redraw_screen+0x150/0x248) > [ 17.610200] r10:0000000a r9:ee808c00 r8:00000000 r7:00000001 > r6:ee808e34 r5:00000000 > [ 17.610205] r4:ee808c00 > [ 17.610219] [] (redraw_screen) from [] > (csi_J+0x134/0x160) > [ 17.610227] r8:00000000 r7:c0bb934c r6:ee808e34 r5:ed4d4c00 r4:ee808c00 > [ 17.610240] [] (csi_J) from [] > (do_con_trol+0x14b8/0x1688) > [ 17.610247] r7:c0bb934c r6:ed4d4c00 r5:ed4d4c00 r4:ee808c00 > [ 17.610259] [] (do_con_trol) from [] > (do_con_write.part.9+0x20c/0x95c) > [ 17.610268] r10:0000000a r9:ee808c00 r8:00000000 r7:c0bb934c > r6:ed4d4c00 r5:ffffffff > [ 17.610272] r4:0000004a > [ 17.610282] [] (do_con_write.part.9) from [] > (con_write+0x80/0x90) > [ 17.610291] r10:00000000 r9:f27e529c r8:edef2b40 r7:c0bb934c > r6:ed4d4c00 r5:0000000a > [ 17.610295] r4:ffffe000 > [ 17.610320] [] (con_write) from [] > (n_tty_write+0x1c8/0x45c) > [ 17.610327] r7:c0bb934c r6:ed4d4000 r5:0000000a r4:ed4d4c00 > [ 17.610339] [] (n_tty_write) from [] > (tty_write+0x1f8/0x314) > [ 17.610347] r10:00000400 r9:ed5e8000 r8:00000000 r7:0000000a > r6:004dc55c r5:0000000a > [ 17.610351] r4:ed4d4c00 > [ 17.610374] [] (tty_write) from [] > (__vfs_write+0x34/0x134) > [ 17.610382] r10:00000000 r9:0000000a r8:ed5e9f78 r7:ed5e9f78 > r6:004dc55c r5:c04c3c88 > [ 17.610386] r4:edef2b40 > [ 17.610396] [] (__vfs_write) from [] > (vfs_write+0xac/0x170) > [ 17.610404] r10:00000000 r9:0000000a r8:00000000 r7:ed5e9f78 > r6:004dc55c r5:edef2b40 > [ 17.610408] r4:0000000a > [ 17.610418] [] (vfs_write) from [] (SyS_write+0x44/0x98) > [ 17.610429] r9:0000000a r8:004dc55c r7:00000000 r6:00000000 > r5:edef2b40 r4:edef2b40 > [ 17.610448] [] (SyS_write) from [] > (ret_fast_syscall+0x0/0x28) > [ 17.610460] r9:ed5e8000 r8:c0108da4 r7:00000004 r6:00000003 > r5:004dc55c r4:0000000a > [ 17.610466] ---[ end trace 3e19c988c4369e24 ]--- > [ 17.768287] ------------[ cut here ]------------ > [ 17.768355] WARNING: CPU: 2 PID: 782 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 17.768365] This function requires support for accurate vblank timestamps. > [ 17.768373] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 17.768564] CPU: 2 PID: 782 Comm: Xorg Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 17.768573] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 17.768581] Backtrace: > [ 17.768608] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 17.768621] r7:c106eed0 r6:00000000 r5:60070093 r4:c106eed0 > [ 17.768646] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 17.768668] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 17.768683] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 17.768693] r4:ed059c80 r3:00000006 > [ 17.768709] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 17.768724] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 17.768742] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 17.768752] r3:00000000 r2:c0d50064 > [ 17.768761] r4:edc2f000 > [ 17.768776] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 17.768788] r7:edc2f000 r6:00000001 r5:edc2f000 r4:ed045800 > [ 17.768827] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 17.768838] r5:ed045200 r4:edc2b018 > [ 17.768869] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 17.768880] r5:ed045200 r4:00000018 > [ 17.768905] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 17.768921] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:ed045200 r5:bf0ab088 > [ 17.768930] r4:ed045200 > [ 17.768957] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 17.768972] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 17.768982] r4:ed045200 r3:bf0a8174 > [ 17.768998] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 17.769008] r5:00000000 r4:ed045200 > [ 17.769030] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 17.769042] r7:ed045200 r6:edc2f000 r5:ed045200 r4:00000000 > [ 17.769061] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 17.769074] r7:ed045200 r6:00000001 r5:0000003f r4:000000a0 > [ 17.769091] [] (restore_fbdev_mode_atomic) from > [] (restore_fbdev_mode+0x30/0x168) > [ 17.769105] r10:ed43baec r9:edc2f214 r8:00000000 r7:edf56e00 > r6:ed43bb00 r5:edf56ed0 > [ 17.769113] r4:edf56e00 > [ 17.769133] [] (restore_fbdev_mode) from [] > (drm_fb_helper_restore_fbdev_mode_unlocked.part.8+0x28/0x7c) > [ 17.769147] r10:ed43baec r9:edc2f214 r8:00000000 r7:edc2f0f0 > r6:ed43bb00 r5:edf56ed0 > [ 17.769156] r4:edf56e00 > [ 17.769174] [] > (drm_fb_helper_restore_fbdev_mode_unlocked.part.8) from [] > (drm_fb_helper_restore_fbdev_mode_unlocked+0x38/0x44) > [ 17.769186] r7:edc2f0f0 r6:ed43bb00 r5:edc2f000 r4:edc2f000 > [ 17.769204] [] > (drm_fb_helper_restore_fbdev_mode_unlocked) from [] > (drm_fbdev_cma_restore_mode+0x18/0x1c) > [ 17.769234] [] (drm_fbdev_cma_restore_mode) from > [] (imx_drm_driver_lastclose+0x18/0x1c [imxdrm]) > [ 17.769261] [] (imx_drm_driver_lastclose [imxdrm]) from > [] (drm_lastclose+0x40/0xd4) > [ 17.769275] [] (drm_lastclose) from [] > (drm_release+0x2a8/0x364) > [ 17.769286] r5:edc2f000 r4:ed43ba00 > [ 17.769308] [] (drm_release) from [] (__fput+0x94/0x1e0) > [ 17.769322] r10:00000008 r9:ed759f28 r8:00000000 r7:edb5fc38 > r6:ee8d9410 r5:ed759f28 > [ 17.769331] r4:edee8280 > [ 17.769345] [] (__fput) from [] (____fput+0x10/0x14) > [ 17.769359] r10:00000000 r9:edee8280 r8:c1087070 r7:edfc5dc4 > r6:edfc5940 r5:edfc5d94 > [ 17.769368] r4:00000000 > [ 17.769388] [] (____fput) from [] > (task_work_run+0x9c/0xc0) > [ 17.769413] [] (task_work_run) from [] > (do_work_pending+0x94/0xbc) > [ 17.769427] r9:ed058000 r8:c0108da4 r7:ed059fb0 r6:c0108da4 > r5:ed058000 r4:00000004 > [ 17.769444] [] (do_work_pending) from [] > (slow_work_pending+0xc/0x20) > [ 17.769457] r7:00000006 r6:021d01e0 r5:00000000 r4:0000000a > [ 17.769466] ---[ end trace 3e19c988c4369e25 ]--- > [ 17.848753] ------------[ cut here ]------------ > [ 17.848786] WARNING: CPU: 0 PID: 29 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 17.848790] This function requires support for accurate vblank timestamps. > [ 17.848795] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 17.848879] CPU: 0 PID: 29 Comm: kworker/0:1 Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 17.848884] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 17.848896] Workqueue: events console_callback > [ 17.848904] Backtrace: > [ 17.848919] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 17.848928] r7:c106eed0 r6:00000000 r5:60080093 r4:c106eed0 > [ 17.848944] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 17.848959] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 17.848968] r10:edf56e00 r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 17.848973] r4:ee993b48 r3:00000000 > [ 17.848983] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 17.848991] r9:edc2f3e0 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 17.849002] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 17.849007] r3:00000000 r2:c0d50064 > [ 17.849011] r4:edc2f000 > [ 17.849021] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 17.849028] r7:edc2f000 r6:00000001 r5:edc2f000 r4:ed1cca80 > [ 17.849070] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 17.849086] r5:ed1cc580 r4:edc2b018 > [ 17.849131] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 17.849147] r5:ed1cc580 r4:00000018 > [ 17.849174] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 17.849193] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:ed1cc580 r5:bf0ab088 > [ 17.849207] r4:ed1cc580 > [ 17.849249] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 17.849271] r10:edf56e00 r9:edc2f3e0 r8:edfafdf8 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 17.849283] r4:ed1cc580 r3:bf0a8174 > [ 17.849296] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 17.849301] r5:00000000 r4:ed1cc580 > [ 17.849319] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 17.849326] r7:ed1cc580 r6:edc2f000 r5:ed1cc580 r4:00000000 > [ 17.849339] [] (drm_atomic_commit) from [] > (restore_fbdev_mode_atomic+0x19c/0x1f8) > [ 17.849346] r7:ed1cc580 r6:00000001 r5:0000003f r4:000000a0 > [ 17.849369] [] (restore_fbdev_mode_atomic) from > [] (drm_fb_helper_pan_display+0xb0/0x1bc) > [ 17.849389] r10:00000000 r9:c04feb78 r8:edfe3400 r7:edf5781c > r6:00000000 r5:edf56ed0 > [ 17.849404] r4:edf56e00 > [ 17.849443] [] (drm_fb_helper_pan_display) from > [] (fb_pan_display+0xd4/0x140) > [ 17.849456] r10:00000000 r9:edf57800 r8:00000438 r7:00000000 > r6:00000000 r5:edf5781c > [ 17.849461] r4:edfe3400 r3:00000000 > [ 17.849488] [] (fb_pan_display) from [] > (bit_update_start+0x1c/0x38) > [ 17.849500] r10:00000000 r9:edf57800 r8:c17e5e80 r7:c17e5a70 > r6:ed686000 r5:edfe3400 > [ 17.849506] r4:edf57800 r3:c049a648 > [ 17.849517] [] (bit_update_start) from [] > (fbcon_switch+0x340/0x558) > [ 17.849522] r5:edfe3400 r4:ed6861c8 > [ 17.849534] [] (fbcon_switch) from [] > (redraw_screen+0x150/0x248) > [ 17.849543] r10:00000001 r9:00000000 r8:ee808c00 r7:00000001 > r6:c17ebe94 r5:00000001 > [ 17.849547] r4:ed686000 > [ 17.849563] [] (redraw_screen) from [] > (complete_change_console+0x44/0xe0) > [ 17.849571] r8:eef9ed00 r7:00000000 r6:eef9bcc0 r5:00000000 r4:ed686000 > [ 17.849599] [] (complete_change_console) from > [] (change_console+0x74/0xa0) > [ 17.849617] r7:ee993ef8 r6:eef9bcc0 r5:ee808c00 r4:ed686000 > [ 17.849645] [] (change_console) from [] > (console_callback+0xf0/0x150) > [ 17.849661] r5:c102e7ac r4:c17ebe94 > [ 17.849689] [] (console_callback) from [] > (process_one_work+0x258/0x4f0) > [ 17.849697] r5:ee842680 r4:c102e7f8 > [ 17.849707] [] (process_one_work) from [] > (worker_thread+0x58/0x59c) > [ 17.849730] r10:ee992000 r9:eef9bcf4 r8:c1004900 r7:00000008 > r6:ee842698 r5:eef9bcc0 > [ 17.849743] r4:ee842680 > [ 17.849769] [] (worker_thread) from [] > (kthread+0x140/0x16c) > [ 17.849791] r10:ee87de74 r9:ee855238 r8:ee842680 r7:ee992000 > r6:ee963ec0 r5:00000000 > [ 17.849805] r4:ee855200 > [ 17.849828] [] (kthread) from [] > (ret_from_fork+0x14/0x2c) > [ 17.849852] r10:00000000 r9:00000000 r8:00000000 r7:00000000 > r6:00000000 r5:c0146180 > [ 17.849864] r4:ee963ec0 > [ 17.849877] ---[ end trace 3e19c988c4369e26 ]--- > [ 17.878902] dw_hdmi_connector_get_modes:1917: dwhdmi-imx > 120000.hdmi: failed to get edid > [ 17.879975] dw_hdmi_connector_get_modes:1917: dwhdmi-imx > 120000.hdmi: failed to get edid > [ 17.919734] dw_hdmi_phy_power_off:1096: dwhdmi-imx 120000.hdmi: PHY > powered down in 0 iterations > [ 17.928202] dw_hdmi_setup:1679: dwhdmi-imx 120000.hdmi: Non-CEA > mode used in HDMI > [ 17.928222] hdmi_av_composer:1495: dwhdmi-imx 120000.hdmi: final > pixclk = 65000000 > [ 17.928266] dw_hdmi_phy_power_off:1096: dwhdmi-imx 120000.hdmi: PHY > powered down in 0 iterations > [ 17.939476] dw_hdmi_phy_power_on:1133: dwhdmi-imx 120000.hdmi: PHY > PLL locked 1 iterations > [ 17.939504] dw_hdmi_phy_power_off:1096: dwhdmi-imx 120000.hdmi: PHY > powered down in 0 iterations > [ 17.950712] dw_hdmi_phy_power_on:1133: dwhdmi-imx 120000.hdmi: PHY > PLL locked 1 iterations > [ 17.950743] dw_hdmi_setup:1744: dwhdmi-imx 120000.hdmi: > dw_hdmi_setup DVI mode > [ 17.951224] ------------[ cut here ]------------ > [ 17.951269] WARNING: CPU: 0 PID: 782 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 17.951277] This function requires support for accurate vblank timestamps. > [ 17.951285] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 17.951438] CPU: 0 PID: 782 Comm: Xorg Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 17.951445] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 17.951451] Backtrace: > [ 17.951474] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 17.951485] r7:c106eed0 r6:00000000 r5:600e0093 r4:c106eed0 > [ 17.951505] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 17.951523] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 17.951535] r10:000000ab r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 17.951543] r4:ed059c08 r3:00000006 > [ 17.951556] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 17.951567] r9:00000000 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 17.951580] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 17.951588] r3:00000000 r2:c0d50064 > [ 17.951595] r4:edc2f000 > [ 17.951608] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 17.951618] r7:edc2f000 r6:00000001 r5:edc2f000 r4:ee34b380 > [ 17.951649] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 17.951658] r5:ee34b480 r4:edc2b018 > [ 17.951685] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 17.951693] r5:ee34b480 r4:00000018 > [ 17.951713] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 17.951726] r10:000000ab r9:00000000 r8:edc2b018 r7:edc2f000 > r6:ee34b480 r5:bf0ab088 > [ 17.951733] r4:ee34b480 > [ 17.951754] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 17.951766] r10:000000ab r9:00000000 r8:edc2b018 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 17.951773] r4:ee34b480 r3:bf0a8174 > [ 17.951786] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 17.951794] r5:00000000 r4:ee34b480 > [ 17.951810] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 17.951820] r7:00000000 r6:edc2f000 r5:ee34b480 r4:00000000 > [ 17.951836] [] (drm_atomic_commit) from [] > (drm_atomic_connector_commit_dpms+0xf0/0x100) > [ 17.951846] r7:00000000 r6:edc2c010 r5:ee34b480 r4:00000001 > [ 17.951859] [] (drm_atomic_connector_commit_dpms) from > [] (drm_mode_obj_set_property_ioctl+0x1b4/0x2ac) > [ 17.951871] r9:ee34b480 r8:00000000 r7:00000000 r6:ed059d78 > r5:edc2c024 r4:edd76980 > [ 17.951884] [] (drm_mode_obj_set_property_ioctl) from > [] (drm_mode_connector_property_set_ioctl+0x40/0x48) > [ 17.951896] r10:000000ab r9:c01064ab r8:ed059e60 r7:c0521338 > r6:edc2f000 r5:00000000 > [ 17.951903] r4:00000000 > [ 17.951919] [] (drm_mode_connector_property_set_ioctl) > from [] (drm_ioctl_kernel+0x70/0xb0) > [ 17.951927] r5:ed43b200 r4:0000001a > [ 17.951939] [] (drm_ioctl_kernel) from [] > (drm_ioctl+0x2a4/0x3ac) > [ 17.951950] r9:c01064ab r8:ed43b200 r7:ed059e60 r6:c0b45b9c > r5:00000010 r4:00000010 > [ 17.951964] [] (drm_ioctl) from [] > (do_vfs_ioctl+0xac/0xa2c) > [ 17.951975] r10:00000000 r9:ed058000 r8:0000000b r7:c023f474 > r6:edee9b80 r5:ed759f28 > [ 17.951982] r4:bea337d0 > [ 17.951996] [] (do_vfs_ioctl) from [] > (SyS_ioctl+0x3c/0x64) > [ 17.952007] r10:00000000 r9:ed058000 r8:bea337d0 r7:c01064ab > r6:edee9b80 r5:0000000b > [ 17.952014] r4:edee9b80 > [ 17.952029] [] (SyS_ioctl) from [] > (ret_fast_syscall+0x0/0x28) > [ 17.952041] r9:ed058000 r8:c0108da4 r7:00000036 r6:c01064ab > r5:bea337d0 r4:00000000 > [ 17.952048] ---[ end trace 3e19c988c4369e27 ]--- > [ 19.108300] ------------[ cut here ]------------ > [ 19.108329] WARNING: CPU: 2 PID: 782 at > drivers/gpu/drm/drm_vblank.c:303 > drm_crtc_accurate_vblank_count+0x80/0x84 > [ 19.108337] This function requires support for accurate vblank timestamps. > [ 19.108344] Modules linked in: dw_hdmi_cec dw_hdmi_ahb_audio > snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_fsl_asoc_card > snd_ac97_codec coda videobuf2_dma_contig imx_vdoa v4l2_mem2mem > videobuf2_vmalloc videobuf2_memops dw_hdmi_imx imxdrm dw_hdmi cec > etnaviv imx_ipu_v3 binfmt_misc parport_pc ppdev lp parport > [ 19.108497] CPU: 2 PID: 782 Comm: Xorg Tainted: G W > 4.14.0-rc7-gd65d313-dirty #1 > [ 19.108506] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > [ 19.108513] Backtrace: > [ 19.108533] [] (dump_backtrace) from [] > (show_stack+0x18/0x1c) > [ 19.108544] r7:c106eed0 r6:00000000 r5:60000093 r4:c106eed0 > [ 19.108562] [] (show_stack) from [] > (dump_stack+0xac/0xd8) > [ 19.108579] [] (dump_stack) from [] (__warn+0xec/0x104) > [ 19.108592] r10:000000ab r9:c0527bd8 r8:0000012f r7:00000009 > r6:c0d4fc08 r5:00000000 > [ 19.108600] r4:ed059c08 r3:00000006 > [ 19.108612] [] (__warn) from [] > (warn_slowpath_fmt+0x40/0x48) > [ 19.108624] r9:00000000 r8:00000001 r7:edc2f000 r6:00000000 > r5:edc2f000 r4:c0d50064 > [ 19.108638] [] (warn_slowpath_fmt) from [] > (drm_crtc_accurate_vblank_count+0x80/0x84) > [ 19.108646] r3:00000000 r2:c0d50064 > [ 19.108653] r4:edc2f000 > [ 19.108665] [] (drm_crtc_accurate_vblank_count) from > [] (drm_crtc_arm_vblank_event+0x30/0x64) > [ 19.108675] r7:edc2f000 r6:00000001 r5:edc2f000 r4:ed042180 > [ 19.108709] [] (drm_crtc_arm_vblank_event) from > [] (ipu_crtc_atomic_begin+0x50/0x80 [imxdrm]) > [ 19.108718] r5:ed042c80 r4:edc2b018 > [ 19.108742] [] (ipu_crtc_atomic_begin [imxdrm]) from > [] (drm_atomic_helper_commit_planes+0x8c/0x2a8) > [ 19.108751] r5:ed042c80 r4:00000018 > [ 19.108771] [] (drm_atomic_helper_commit_planes) from > [] (imx_drm_atomic_commit_tail+0x30/0x144 [imxdrm]) > [ 19.108783] r10:000000ab r9:00000000 r8:edc2b018 r7:edc2f000 > r6:ed042c80 r5:bf0ab088 > [ 19.108791] r4:ed042c80 > [ 19.108814] [] (imx_drm_atomic_commit_tail [imxdrm]) from > [] (commit_tail+0x48/0x8c) > [ 19.108826] r10:000000ab r9:00000000 r8:edc2b018 r7:edc2f000 > r6:00000000 r5:bf0ab088 > [ 19.108834] r4:ed042c80 r3:bf0a8174 > [ 19.108846] [] (commit_tail) from [] > (drm_atomic_helper_commit+0x140/0x148) > [ 19.108854] r5:00000000 r4:ed042c80 > [ 19.108871] [] (drm_atomic_helper_commit) from > [] (drm_atomic_commit+0x54/0x60) > [ 19.108881] r7:00000000 r6:edc2f000 r5:ed042c80 r4:00000000 > [ 19.108895] [] (drm_atomic_commit) from [] > (drm_atomic_connector_commit_dpms+0xf0/0x100) > [ 19.108904] r7:00000000 r6:edc2c010 r5:ed042c80 r4:00000001 > [ 19.108917] [] (drm_atomic_connector_commit_dpms) from > [] (drm_mode_obj_set_property_ioctl+0x1b4/0x2ac) > [ 19.108928] r9:ed042c80 r8:00000000 r7:00000000 r6:ed059d78 > r5:edc2c024 r4:edd76980 > [ 19.108942] [] (drm_mode_obj_set_property_ioctl) from > [] (drm_mode_connector_property_set_ioctl+0x40/0x48) > [ 19.108954] r10:000000ab r9:c01064ab r8:ed059e60 r7:c0521338 > r6:edc2f000 r5:00000000 > [ 19.108961] r4:00000000 > [ 19.108976] [] (drm_mode_connector_property_set_ioctl) > from [] (drm_ioctl_kernel+0x70/0xb0) > [ 19.108985] r5:ed43b200 r4:0000001a > [ 19.108996] [] (drm_ioctl_kernel) from [] > (drm_ioctl+0x2a4/0x3ac) > [ 19.109007] r9:c01064ab r8:ed43b200 r7:ed059e60 r6:c0b45b9c > r5:00000010 r4:00000010 > [ 19.109022] [] (drm_ioctl) from [] > (do_vfs_ioctl+0xac/0xa2c) > [ 19.109034] r10:00000000 r9:ed058000 r8:0000000b r7:c023f474 > r6:edee9b80 r5:ed759f28 > [ 19.109041] r4:bea33bb0 > [ 19.109052] [] (do_vfs_ioctl) from [] > (SyS_ioctl+0x3c/0x64) > [ 19.109063] r10:00000000 r9:ed058000 r8:bea33bb0 r7:c01064ab > r6:edee9b80 r5:0000000b > [ 19.109070] r4:edee9b80 > [ 19.109085] [] (SyS_ioctl) from [] > (ret_fast_syscall+0x0/0x28) > [ 19.109097] r9:ed058000 r8:c0108da4 r7:00000036 r6:c01064ab > r5:bea33bb0 r4:00000000 > [ 19.109104] ---[ end trace 3e19c988c4369e28 ]--- > > On Thu, Nov 9, 2017 at 12:12 PM, Jani Nikula > wrote: >> On Thu, 09 Nov 2017, Lu?s Mendes wrote: >>> I've just applied the referred individual patch to kernel-4.14-rc5 and >>> the EDID isn't loaded. dw-hdmi gets no firmware at all. >> >> Sorry, I didn't mean you could just cherry-pick that one commit and make >> it work. There were a number of preparatory patches before that, and I >> think some cleanups on top. >> >> Please try drm-next to make sure you have it all. >> >> We didn't intend for the commits to be backported, instead we very much >> wanted them to get a gradually increasing amount of exposure first to >> make sure we don't break stuff. >> >> And as I said elsewhere in the thread, Russell's patch may be relevant >> for current Linus' master and stable. We just need to reconciliate how >> the two things should work together in drm-next and v4.15 and on. >> >> BR, >> Jani. >> >> -- >> Jani Nikula, Intel Open Source Technology Center -- Jani Nikula, Intel Open Source Technology Center