Re: WARNING: drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h:178 mdp5_bind
On Sun, 12 Apr 2020 at 15:08, Naresh Kamboju wrote: > > While booting stable-rc 4.14 branch kernel this warning was noticed on > Qualcomm APQ 8016 SBC (DT) Dragonboard 410c device. > > [8.459580] clk: failed to reparent byte0_clk_src to dsi0pllbyte: -22 > [8.459724] clk: failed to reparent pclk0_clk_src to dsi0pll: -22 > [8.466474] msm 1a0.mdss: Using legacy clk name binding. Use > \"iface\" instead of \"iface_clk\" > [8.476753] msm 1a0.mdss: Using legacy clk name binding. Use > \"bus\" instead of \"bus_clk\" > [8.480055] msm 1a0.mdss: Using legacy clk name binding. Use > \"vsync\" instead of \"vsync_clk\" > [8.489023] msm 1a0.mdss: 1a0.mdss supply vdd not found, > using dummy regulator > [8.498450] msm_mdp 1a01000.mdp: Using legacy clk name binding. > Use \"bus\" instead of \"bus_clk\" > [8.505394] msm_mdp 1a01000.mdp: Using legacy clk name binding. > Use \"iface\" instead of \"iface_clk\" > [8.524724] msm_mdp 1a01000.mdp: Using legacy clk name binding. > Use \"core\" instead of \"core_clk\" > [8.524877] msm_mdp 1a01000.mdp: Using legacy clk name binding. > Use \"vsync\" instead of \"vsync_clk\"[8.532846] [ cut > here ] > [8.541651] WARNING: CPU: 1 PID: 32 at > /usr/src/kernel/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h:178 > mdp5_bind+0x418/0x4e0 [msm] > [8.546303] Modules linked in: crc32_ce adv7511 rfkill msm > mdt_loader drm_kms_helper drm msm_rng rng_core fuse > [8.557504] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 4.14.176-rc1 #1 > [8.567478] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT) > [8.574344] Workqueue: events deferred_probe_work_func > [8.581018] task: 80003d764680 task.stack: 0a4c > [8.586178] PC is at mdp5_bind+0x418/0x4e0 [msm] > [8.591989] LR is at mdp5_bind+0x1b4/0x4e0 [msm] > [8.596644] pc : [] lr : [] > pstate: 6145 > [8.601246] sp : 0a4c39d0 > [8.608617] x29: 0a4c39d0 x28: > [8.611832] x27: 800037db4a00 x26: 00eec9e8 > [8.617214] x25: 800037e28000 x24: 800037dc3810 > [8.622509] x23: 800037ca7000 x22: 0a22e4b0 > [8.627805] x21: 800037dc3800 x20: > [8.633100] x19: 80003a8c2880 x18: 0010 > [8.638395] x17: b6f9ba28 x16: 082fd6e0 > [8.643691] x15: x14: > [8.648986] x13: x12: e3d3f2dc > [8.654280] x11: 80003d764eb0 x10: 0a20 > [8.659576] x9 : fffe x8 : > [8.664871] x7 : 087c908c x6 : > [8.670167] x5 : 0040 x4 : 0004 > [8.675461] x3 : feb0 x2 : 09d5f1a0 > [8.680755] x1 : 80003d764680 x0 : > [8.686052] Call trace: > [8.691346] Exception stack(0x0a4c3890 to 0x0a4c39d0) > [8.693521] 3880: > 80003d764680 > [8.700120] 38a0: 09d5f1a0 feb0 > 0004 0040 > [8.707934] 38c0: 087c908c > fffe > [8.715746] 38e0: 0a20 80003d764eb0 > e3d3f2dc > [8.723558] 3900: > 082fd6e0 b6f9ba28 > [8.731372] 3920: 0010 80003a8c2880 > 800037dc3800 > [8.739183] 3940: 0a22e4b0 800037ca7000 > 800037dc3810 800037e28000 > [8.746997] 3960: 00eec9e8 800037db4a00 > 0a4c39d0 > [8.754809] 3980: 00ebd494 0a4c39d0 > 00ebd6f8 6145 > [8.762622] 39a0: 0a4c39d0 00ebd494 > > [8.770431] 39c0: 0a4c39d0 00ebd6f8 > [8.778452] [] mdp5_bind+0x418/0x4e0 [msm] > [8.782937] [] component_bind_all+0x104/0x298 > [8.789040] [] msm_drm_bind+0x140/0x5f0 [msm] > [8.794481] [] try_to_bring_up_master+0x180/0x1e0 > [8.800380] [] component_add+0xa8/0x170 > [8.806845] [] dsi_dev_probe+0x24/0x38 [msm] > [8.812199] [] platform_drv_probe+0x60/0xc0 > [8.817913] [] driver_probe_device+0x218/0x2e0 > [8.823730] [] __device_attach_driver+0xa4/0xf0 > [8.829810] [] bus_for_each_drv+0x5c/0xa8 > [8.835797] [] __device_attach+0xd0/0x148 > [8.841177] [] device_initial_probe+0x24/0x30 > [8.846734] [] bus_probe_device+0xa0/0xa8 > [8.852638] [] deferred_probe_work_func+0xac/0x158 > [8.858195] [] process_one_work+0x278/0x790 > [8.864800] [] worker_thread+0x50/0x480 > [8.870441] [] kthread+0x138/0x140 > [8.875823] [] ret_from_fork+0x10/0x1c > [8.880846] ---[ end trace 73f4fbf7f1caf3f2 ]--- > [8.886661] msm 1a0.mdss: bound 1a01000.mdp (ops mdp5_ops [msm]) > [8.891128] msm_dsi 1a98000.dsi:
WARNING: drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h:178 mdp5_bind
While booting stable-rc 4.14 branch kernel this warning was noticed on Qualcomm APQ 8016 SBC (DT) Dragonboard 410c device. [8.459580] clk: failed to reparent byte0_clk_src to dsi0pllbyte: -22 [8.459724] clk: failed to reparent pclk0_clk_src to dsi0pll: -22 [8.466474] msm 1a0.mdss: Using legacy clk name binding. Use \"iface\" instead of \"iface_clk\" [8.476753] msm 1a0.mdss: Using legacy clk name binding. Use \"bus\" instead of \"bus_clk\" [8.480055] msm 1a0.mdss: Using legacy clk name binding. Use \"vsync\" instead of \"vsync_clk\" [8.489023] msm 1a0.mdss: 1a0.mdss supply vdd not found, using dummy regulator [8.498450] msm_mdp 1a01000.mdp: Using legacy clk name binding. Use \"bus\" instead of \"bus_clk\" [8.505394] msm_mdp 1a01000.mdp: Using legacy clk name binding. Use \"iface\" instead of \"iface_clk\" [8.524724] msm_mdp 1a01000.mdp: Using legacy clk name binding. Use \"core\" instead of \"core_clk\" [8.524877] msm_mdp 1a01000.mdp: Using legacy clk name binding. Use \"vsync\" instead of \"vsync_clk\"[8.532846] [ cut here ] [8.541651] WARNING: CPU: 1 PID: 32 at /usr/src/kernel/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h:178 mdp5_bind+0x418/0x4e0 [msm] [8.546303] Modules linked in: crc32_ce adv7511 rfkill msm mdt_loader drm_kms_helper drm msm_rng rng_core fuse [8.557504] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 4.14.176-rc1 #1 [8.567478] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT) [8.574344] Workqueue: events deferred_probe_work_func [8.581018] task: 80003d764680 task.stack: 0a4c [8.586178] PC is at mdp5_bind+0x418/0x4e0 [msm] [8.591989] LR is at mdp5_bind+0x1b4/0x4e0 [msm] [8.596644] pc : [] lr : [] pstate: 6145 [8.601246] sp : 0a4c39d0 [8.608617] x29: 0a4c39d0 x28: [8.611832] x27: 800037db4a00 x26: 00eec9e8 [8.617214] x25: 800037e28000 x24: 800037dc3810 [8.622509] x23: 800037ca7000 x22: 0a22e4b0 [8.627805] x21: 800037dc3800 x20: [8.633100] x19: 80003a8c2880 x18: 0010 [8.638395] x17: b6f9ba28 x16: 082fd6e0 [8.643691] x15: x14: [8.648986] x13: x12: e3d3f2dc [8.654280] x11: 80003d764eb0 x10: 0a20 [8.659576] x9 : fffe x8 : [8.664871] x7 : 087c908c x6 : [8.670167] x5 : 0040 x4 : 0004 [8.675461] x3 : feb0 x2 : 09d5f1a0 [8.680755] x1 : 80003d764680 x0 : [8.686052] Call trace: [8.691346] Exception stack(0x0a4c3890 to 0x0a4c39d0) [8.693521] 3880: 80003d764680 [8.700120] 38a0: 09d5f1a0 feb0 0004 0040 [8.707934] 38c0: 087c908c fffe [8.715746] 38e0: 0a20 80003d764eb0 e3d3f2dc [8.723558] 3900: 082fd6e0 b6f9ba28 [8.731372] 3920: 0010 80003a8c2880 800037dc3800 [8.739183] 3940: 0a22e4b0 800037ca7000 800037dc3810 800037e28000 [8.746997] 3960: 00eec9e8 800037db4a00 0a4c39d0 [8.754809] 3980: 00ebd494 0a4c39d0 00ebd6f8 6145 [8.762622] 39a0: 0a4c39d0 00ebd494 [8.770431] 39c0: 0a4c39d0 00ebd6f8 [8.778452] [] mdp5_bind+0x418/0x4e0 [msm] [8.782937] [] component_bind_all+0x104/0x298 [8.789040] [] msm_drm_bind+0x140/0x5f0 [msm] [8.794481] [] try_to_bring_up_master+0x180/0x1e0 [8.800380] [] component_add+0xa8/0x170 [8.806845] [] dsi_dev_probe+0x24/0x38 [msm] [8.812199] [] platform_drv_probe+0x60/0xc0 [8.817913] [] driver_probe_device+0x218/0x2e0 [8.823730] [] __device_attach_driver+0xa4/0xf0 [8.829810] [] bus_for_each_drv+0x5c/0xa8 [8.835797] [] __device_attach+0xd0/0x148 [8.841177] [] device_initial_probe+0x24/0x30 [8.846734] [] bus_probe_device+0xa0/0xa8 [8.852638] [] deferred_probe_work_func+0xac/0x158 [8.858195] [] process_one_work+0x278/0x790 [8.864800] [] worker_thread+0x50/0x480 [8.870441] [] kthread+0x138/0x140 [8.875823] [] ret_from_fork+0x10/0x1c [8.880846] ---[ end trace 73f4fbf7f1caf3f2 ]--- [8.886661] msm 1a0.mdss: bound 1a01000.mdp (ops mdp5_ops [msm]) [8.891128] msm_dsi 1a98000.dsi: 1a98000.dsi supply gdsc not found, using dummy regulator [8.897939] [ cut here ] [8.905384] WARNING: CPU: 1 PID: 2210 at /usr/src/kernel/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c:253 mdp5_disable+0xa0/0xb8 [msm] [
