[PATCH v2 0/3] Fix G12 PMU conflict

[Marc Gonzalez]

On 27/03/2023 14:09, Marc Gonzalez wrote:

> Move the PMU DT node & adjust the register offsets.
> 
> Marc Gonzalez (3):
>   arm64: dts: meson-g12-common: specify full DMC range
>   perf/amlogic: resolve conflict between canvas & pmu
>   perf/amlogic: adjust register offsets

Hmmm... the perf driver doesn't like my setup... :(

# perf record -a -F 1009 --call-graph fp -B curl -o /dev/null http://192.168.1.254:8095/fixed/1G
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0 1024M    0 8342k    0     0  7564k      0  0:02:18  0:00:01  0:02:17 7563k

[ 1036.936099] SError Interrupt on CPU1, code 0x00000000bf000000 -- SError
[ 1036.936116] CPU: 1 PID: 61 Comm: kworker/u9:0 Not tainted 6.2.0 #449
[ 1036.936122] Hardware name: SEI Robotics SEI510 (DT)
[ 1036.936126] Workqueue: brcmf_wq/mmc2:0001:1 brcmf_sdio_dataworker
[ 1036.936144] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 1036.936150] pc : brcmf_sdiod_skbuff_read+0x28/0xa0
[ 1036.936159] lr : brcmf_sdiod_recv_chain+0xe4/0x160
[ 1036.936166] sp : ffff80000a18bc00
[ 1036.936169] x29: ffff80000a18bc00 x28: ffff8000087d31a0 x27: ffff8000087d2e60
[ 1036.936177] x26: ffff000004990b00 x25: 0000000000000009 x24: ffff8000087d31a0
[ 1036.936184] x23: ffff000004998500 x22: 0000000000008000 x21: ffff000000873278
[ 1036.936192] x20: 000000000000c100 x19: ffff000000872800 x18: 0000000000000000
[ 1036.936199] x17: ffff80005df77000 x16: ffff80000800c000 x15: 0000000000000000
[ 1036.936205] x14: 0000000000000002 x13: 0000000000077f7a x12: 0000000000000068
[ 1036.936213] x11: 00000000000000c0 x10: 0000000000000068 x9 : fffffc0000150800
[ 1036.936220] x8 : fffffc0000150801 x7 : ffff80005df77000 x6 : ffff000004998500
[ 1036.936227] x5 : ffff0000008bc000 x4 : 000000000000c103 x3 : ffff000004998500
[ 1036.936233] x2 : 0000000000008000 x1 : 0000000000000002 x0 : ffff000000872800
[ 1036.936243] Kernel panic - not syncing: Asynchronous SError Interrupt
[ 1036.936247] CPU: 1 PID: 61 Comm: kworker/u9:0 Not tainted 6.2.0 #449
[ 1036.936252] Hardware name: SEI Robotics SEI510 (DT)
[ 1036.936255] Workqueue: brcmf_wq/mmc2:0001:1 brcmf_sdio_dataworker
[ 1036.936262] Call trace:
[ 1036.936264]  dump_backtrace.part.0+0xe0/0xf0
[ 1036.936273]  show_stack+0x18/0x30
[ 1036.936280]  dump_stack_lvl+0x68/0x84
[ 1036.936288]  dump_stack+0x18/0x34
[ 1036.936294]  panic+0x184/0x344
[ 1036.936301]  nmi_panic+0xac/0xb0
[ 1036.936308]  arm64_serror_panic+0x6c/0x80
[ 1036.936314]  do_serror+0x58/0x60
[ 1036.936318]  el1h_64_error_handler+0x30/0x50
[ 1036.936324]  el1h_64_error+0x64/0x68
[ 1036.936330]  brcmf_sdiod_skbuff_read+0x28/0xa0
[ 1036.936336]  brcmf_sdiod_recv_chain+0xe4/0x160
[ 1036.936343]  brcmf_sdio_dataworker+0x898/0x23d0
[ 1036.936348]  process_one_work+0x1cc/0x320
[ 1036.936354]  worker_thread+0x14c/0x450
[ 1036.936359]  kthread+0xfc/0x100
[ 1036.936364]  ret_from_fork+0x10/0x20
[ 1036.936371] SMP: stopping secondary CPUs
[ 1036.936378] Kernel Offset: disabled
[ 1036.936379] CPU features: 0x00000,01000100,0000420b
[ 1036.936384] Memory Limit: none
[ 1037.149180] ---[ end Kernel panic - not syncing: Asynchronous SError Interrupt ]---