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Message-ID: <CAF6AEGv215ixcAWmaOWs7UKAqmbMs=aFyTBBYLU-bt8XBnWb7g@mail.gmail.com>
Date: Thu, 5 Nov 2020 11:24:44 -0800
From: Rob Clark <robdclark@...il.com>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Daniel Vetter <daniel@...ll.ch>,
dri-devel <dri-devel@...ts.freedesktop.org>,
Rob Clark <robdclark@...omium.org>,
Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
"open list:DRM DRIVER FOR MSM ADRENO GPU"
<linux-arm-msm@...r.kernel.org>,
"open list:DRM DRIVER FOR MSM ADRENO GPU"
<freedreno@...ts.freedesktop.org>,
open list <linux-kernel@...r.kernel.org>,
"Menon, Nishanth" <nm@...com>
Subject: Re: [PATCH v2 07/22] drm/msm: Do rpm get sooner in the submit path
On Tue, Nov 3, 2020 at 7:04 PM Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> On 03-11-20, 08:50, Rob Clark wrote:
> > sorry, it didn't apply cleanly (which I guess is due to some other
> > dependencies that need to be picked back to v5.4 product kernel), and
> > due to some other things I'm in middle of debugging I didn't have time
> > yet to switch to v5.10-rc or look at what else needs to
> > cherry-picked..
> >
> > If you could, pushing a branch with this patch somewhere would be a
> > bit easier to work with (ie. fetch && cherry-pick is easier to deal
> > with than picking things from list)
>
> It has been in linux-next for a few days. Here is the HEAD to pick
> from. There are few patches there since rc1.
>
> commit 203e29749cc0 ("opp: Allocate the OPP table outside of opp_table_lock")
>
sorry for the delay, with that cherry-picked, I'm getting a whole lot of:
[ 10.191497] WARNING: CPU: 7 PID: 52 at drivers/opp/of.c:115
_find_table_of_opp_np+0x8c/0x94
[ 10.191502] Modules linked in:
[ 10.191517] CPU: 7 PID: 52 Comm: kworker/7:1 Tainted: G W
5.10.0-rc2+ #2
[ 10.191522] Hardware name: Google Lazor (rev1+) with LTE (DT)
[ 10.191537] Workqueue: events deferred_probe_work_func
[ 10.191551] pstate: 60c00009 (nZCv daif +PAN +UAO -TCO BTYPE=--)
[ 10.202819] mmc0: CQHCI version 5.10
[ 10.206038] pc : _find_table_of_opp_np+0x8c/0x94
[ 10.206045] lr : _find_table_of_opp_np+0x34/0x94
[ 10.206050] sp : ffffffc010373810
[ 10.206054] x29: ffffffc010373810 x28: ffffff94c5a3d170
[ 10.206070] x27: ffffff94c5a3d168
[ 10.249098] mmc0: SDHCI controller on 7c4000.sdhci [7c4000.sdhci]
using ADMA 64-bit
[ 10.251366] x26: ffffff94c580c000
[ 10.251374] x25: 0000000000000001 x24: ffffff963f02c750
[ 10.251385] x23: 0000000000000000 x22: ffffff94c5aabc80
[ 10.251397] x21: ffffff963f021c78 x20: ffffff94c5a75800
[ 10.256963] sdhci_msm 7c4000.sdhci: mmc0: CQE init: success
[ 10.260376]
[ 10.260380] x19: ffffff963f02c750 x18: 0000000000000004
[ 10.260392] x17: 000000000000002c x16: ffffffe2468e1e78
[ 10.260404] x15: ffffffe246df3eb8 x14: ffffffff52f45308
[ 10.311816] x13: 0000000000000000 x12: ffffffe24541aef0
[ 10.317298] x11: ffffffe246df3eb8 x10: fffffffefe60e678
[ 10.322776] x9 : 0000000000000000 x8 : ffffffb3f89a7000
[ 10.328258] x7 : ffffffe245c5d9d0 x6 : 0000000000000000
[ 10.333730] x5 : 0000000000000080 x4 : 0000000000000001
[ 10.339206] x3 : 0000000000000000 x2 : 0000000000000006
[ 10.344684] x1 : ffffffe24684aa88 x0 : 0000000000000000
[ 10.350158] Call trace:
[ 10.352695] _find_table_of_opp_np+0x8c/0x94
[ 10.353507] mmc0: Command Queue Engine enabled
[ 10.357095] _of_init_opp_table+0x15c/0x1e4
[ 10.357103] _opp_get_opp_table+0x168/0x280
[ 10.357110] dev_pm_opp_set_clkname+0x28/0xcc
[ 10.357119] dpu_bind+0x50/0x1a4
[ 10.357128] component_bind_all+0xf4/0x20c
[ 10.357138] msm_drm_init+0x180/0x588
[ 10.361815] mmc0: new HS400 Enhanced strobe MMC card at address 0001
[ 10.366050] msm_drm_bind+0x1c/0x24
[ 10.366057] try_to_bring_up_master+0x160/0x1a8
[ 10.366065] component_master_add_with_match+0xc4/0x108
[ 10.366072] msm_pdev_probe+0x214/0x2a4
[ 10.366081] platform_drv_probe+0x94/0xb4
[ 10.374415] mmcblk0: mmc0:0001 DA4064 58.2 GiB
[ 10.374871] really_probe+0x138/0x348
[ 10.374881] driver_probe_device+0x80/0xb8
[ 10.379483] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB
[ 10.382446] __device_attach_driver+0x90/0xa8
[ 10.382453] bus_for_each_drv+0x84/0xcc
[ 10.382459] __device_attach+0xc0/0x148
[ 10.382466] device_initial_probe+0x18/0x20
[ 10.382473] bus_probe_device+0x38/0x98
[ 10.382483] deferred_probe_work_func+0x7c/0xb8
[ 10.387402] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB
[ 10.392780] process_one_work+0x314/0x60c
[ 10.392786] worker_thread+0x238/0x3e8
[ 10.392793] kthread+0x148/0x158
[ 10.392800] ret_from_fork+0x10/0x18
[ 10.392809] CPU: 7 PID: 52 Comm: kworker/7:1 Tainted: G W
5.10.0-rc2+ #2
[ 10.397683] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB,
chardev (241:0)
[ 10.401051] Hardware name: Google Lazor (rev1+) with LTE (DT)
[ 10.401062] Workqueue: events deferred_probe_work_func
[ 10.401069] Call trace:
[ 10.401077] dump_backtrace+0x0/0x1b4
[ 10.401087] show_stack+0x1c/0x24
[ 10.427111] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12
[ 10.427156] dump_stack+0xdc/0x158
[ 10.427165] __warn+0xd8/0x16c
[ 10.427173] report_bug+0x88/0xe0
[ 10.427179] bug_handler+0x24/0x6c
[ 10.535574] brk_handler+0x78/0xb4
[ 10.539090] do_debug_exception+0x1a4/0x208
[ 10.543395] el1_sync_handler+0x8c/0x110
[ 10.547434] el1_sync+0x7c/0x100
[ 10.550762] _find_table_of_opp_np+0x8c/0x94
[ 10.555166] _of_init_opp_table+0x15c/0x1e4
[ 10.559472] _opp_get_opp_table+0x168/0x280
[ 10.563779] dev_pm_opp_set_clkname+0x28/0xcc
[ 10.568270] dpu_bind+0x50/0x1a4
[ 10.571607] component_bind_all+0xf4/0x20c
[ 10.575826] msm_drm_init+0x180/0x588
[ 10.579603] msm_drm_bind+0x1c/0x24
[ 10.583205] try_to_bring_up_master+0x160/0x1a8
[ 10.587877] component_master_add_with_match+0xc4/0x108
[ 10.593251] msm_pdev_probe+0x214/0x2a4
[ 10.597203] platform_drv_probe+0x94/0xb4
[ 10.601334] really_probe+0x138/0x348
[ 10.605110] driver_probe_device+0x80/0xb8
[ 10.609329] __device_attach_driver+0x90/0xa8
[ 10.613821] bus_for_each_drv+0x84/0xcc
[ 10.617774] __device_attach+0xc0/0x148
[ 10.621729] device_initial_probe+0x18/0x20
[ 10.626044] bus_probe_device+0x38/0x98
[ 10.629998] deferred_probe_work_func+0x7c/0xb8
[ 10.634668] process_one_work+0x314/0x60c
[ 10.638797] worker_thread+0x238/0x3e8
[ 10.642661] kthread+0x148/0x158
[ 10.645997] ret_from_fork+0x10/0x18
[ 10.649683] irq event stamp: 117274
[ 10.653290] hardirqs last enabled at (117273):
[<ffffffe245ed8430>] _raw_spin_unlock_irqrestore+0x60/0x94
[ 10.663213] hardirqs last disabled at (117274):
[<ffffffe245420ea0>] do_debug_exception+0x60/0x208
[ 10.672420] softirqs last enabled at (116976):
[<ffffffe245400eec>] __do_softirq+0x4bc/0x540
[ 10.681184] softirqs last disabled at (116971):
[<ffffffe24547dd10>] __irq_exit_rcu+0x118/0x138
[ 10.690123] ---[ end trace 00b127c206a99072 ]---
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