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charset="utf-8" From: Jackson Lee Since applying "Reduce high CPU load" patch, SError of kernel panic rarely happened while testing fluster. The root cause was to enter suspend mode because timeout of autosuspend delay happened. [ 48.834439] SError Interrupt on CPU0, code 0x00000000bf000000 -- SError [ 48.834455] CPU: 0 UID: 0 PID: 1067 Comm: v4l2h265dec0:sr Not tainted 6.= 12.9-gc9e21a1ebd75-dirty #7 [ 48.834461] Hardware name: ti Texas Instruments J721S2 EVM/Texas Instrum= ents J721S2 EVM, BIOS 2025.01-00345-gbaf3aaa8ecfa 01/01/2025 [ 48.834464] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE= =3D--) [ 48.834468] pc : wave5_dec_clr_disp_flag+0x40/0x80 [wave5] [ 48.834488] lr : wave5_dec_clr_disp_flag+0x40/0x80 [wave5] [ 48.834495] sp : ffff8000856e3a30 [ 48.834497] x29: ffff8000856e3a30 x28: ffff0008093f6010 x27: ffff0008091= 58130 [ 48.834504] x26: 0000000000000000 x25: ffff00080b625000 x24: ffff000804a= 9ba80 [ 48.834509] x23: ffff000802343028 x22: ffff000809158150 x21: ffff0008022= 18000 [ 48.834513] x20: ffff0008093f6000 x19: ffff0008093f6000 x18: 00000000000= 00000 [ 48.834518] x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff740= 09618 [ 48.834523] x14: 000000010000000c x13: 0000000000000000 x12: 00000000000= 00000 [ 48.834527] x11: ffffffffffffffff x10: ffffffffffffffff x9 : ffff0008023= 43028 [ 48.834532] x8 : ffff00080b6252a0 x7 : 0000000000000038 x6 : 00000000000= 00000 [ 48.834536] x5 : ffff00080b625060 x4 : 0000000000000000 x3 : 00000000000= 00000 [ 48.834541] x2 : 0000000000000000 x1 : ffff800084bf0118 x0 : ffff800084b= f0000 [ 48.834547] Kernel panic - not syncing: Asynchronous SError Interrupt [ 48.834549] CPU: 0 UID: 0 PID: 1067 Comm: v4l2h265dec0:sr Not tainted 6.= 12.9-gc9e21a1ebd75-dirty #7 [ 48.834554] Hardware name: ti Texas Instruments J721S2 EVM/Texas Instrum= ents J721S2 EVM, BIOS 2025.01-00345-gbaf3aaa8ecfa 01/01/2025 [ 48.834556] Call trace: [ 48.834559] dump_backtrace+0x94/0xec [ 48.834574] show_stack+0x18/0x24 [ 48.834579] dump_stack_lvl+0x38/0x90 [ 48.834585] dump_stack+0x18/0x24 [ 48.834588] panic+0x35c/0x3e0 [ 48.834592] nmi_panic+0x40/0x8c [ 48.834595] arm64_serror_panic+0x64/0x70 [ 48.834598] do_serror+0x3c/0x78 [ 48.834601] el1h_64_error_handler+0x34/0x4c [ 48.834605] el1h_64_error+0x64/0x68 [ 48.834608] wave5_dec_clr_disp_flag+0x40/0x80 [wave5] [ 48.834615] wave5_vpu_dec_clr_disp_flag+0x54/0x80 [wave5] [ 48.834622] wave5_vpu_dec_buf_queue+0x19c/0x1a0 [wave5] [ 48.834628] __enqueue_in_driver+0x3c/0x74 [videobuf2_common] [ 48.834639] vb2_core_qbuf+0x508/0x61c [videobuf2_common] [ 48.834646] vb2_qbuf+0xa4/0x168 [videobuf2_v4l2] [ 48.834656] v4l2_m2m_qbuf+0x80/0x238 [v4l2_mem2mem] [ 48.834666] v4l2_m2m_ioctl_qbuf+0x18/0x24 [v4l2_mem2mem] [ 48.834673] v4l_qbuf+0x48/0x5c [videodev] [ 48.834704] __video_do_ioctl+0x180/0x3f0 [videodev] [ 48.834725] video_usercopy+0x2ec/0x68c [videodev] [ 48.834745] video_ioctl2+0x18/0x24 [videodev] [ 48.834766] v4l2_ioctl+0x40/0x60 [videodev] [ 48.834786] __arm64_sys_ioctl+0xa8/0xec [ 48.834793] invoke_syscall+0x44/0x100 [ 48.834800] el0_svc_common.constprop.0+0xc0/0xe0 [ 48.834804] do_el0_svc+0x1c/0x28 [ 48.834809] el0_svc+0x30/0xd0 [ 48.834813] el0t_64_sync_handler+0xc0/0xc4 [ 48.834816] el0t_64_sync+0x190/0x194 [ 48.834820] SMP: stopping secondary CPUs [ 48.834831] Kernel Offset: disabled [ 48.834833] CPU features: 0x08,00002002,80200000,4200421b [ 48.834837] Memory Limit: none [ 49.161404] ---[ end Kernel panic - not syncing: Asynchronous SError Int= errupt ]--- Signed-off-by: Jackson Lee Signed-off-by: Nas Chung --- .../platform/chips-media/wave5/wave5-vpu-dec.c | 3 --- .../platform/chips-media/wave5/wave5-vpu-enc.c | 3 --- .../media/platform/chips-media/wave5/wave5-vpu.c | 2 +- .../platform/chips-media/wave5/wave5-vpuapi.c | 16 ---------------- 4 files changed, 1 insertion(+), 23 deletions(-) diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c b/dri= vers/media/platform/chips-media/wave5/wave5-vpu-dec.c index 421a9e1a6f15..b4b522d7fa84 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c @@ -1865,9 +1865,6 @@ static int wave5_vpu_open_dec(struct file *filp) if (ret) goto cleanup_inst; =20 - if (list_empty(&dev->instances)) - pm_runtime_use_autosuspend(inst->dev->dev); - list_add_tail(&inst->list, &dev->instances); =20 mutex_unlock(&dev->dev_lock); diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c b/dri= vers/media/platform/chips-media/wave5/wave5-vpu-enc.c index 52a1a00fd9bb..7f1aa392805f 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c @@ -1779,9 +1779,6 @@ static int wave5_vpu_open_enc(struct file *filp) if (ret) goto cleanup_inst; =20 - if (list_empty(&dev->instances)) - pm_runtime_use_autosuspend(inst->dev->dev); - list_add_tail(&inst->list, &dev->instances); =20 mutex_unlock(&dev->dev_lock); diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu.c b/drivers= /media/platform/chips-media/wave5/wave5-vpu.c index a2c09523d76b..24a9001966e7 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu.c @@ -368,7 +368,7 @@ static int wave5_vpu_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Product Code: 0x%x\n", dev->product_code); dev_info(&pdev->dev, "Firmware Revision: %u\n", fw_revision); =20 - pm_runtime_set_autosuspend_delay(&pdev->dev, 100); + pm_runtime_set_autosuspend_delay(&pdev->dev, 500); pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_enable(&pdev->dev); wave5_vpu_sleep_wake(&pdev->dev, true, NULL, 0); diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c b/driv= ers/media/platform/chips-media/wave5/wave5-vpuapi.c index d7318d596b73..1f7f4d214b3c 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c @@ -207,8 +207,6 @@ int wave5_vpu_dec_close(struct vpu_instance *inst, u32 = *fail_res) int retry =3D 0; struct vpu_device *vpu_dev =3D inst->dev; int i; - int inst_count =3D 0; - struct vpu_instance *inst_elm; struct dec_output_info dec_info; =20 *fail_res =3D 0; @@ -265,12 +263,6 @@ int wave5_vpu_dec_close(struct vpu_instance *inst, u32= *fail_res) } =20 wave5_vdi_free_dma_memory(vpu_dev, &p_dec_info->vb_task); - - list_for_each_entry(inst_elm, &vpu_dev->instances, list) - inst_count++; - if (inst_count =3D=3D 1) - pm_runtime_dont_use_autosuspend(vpu_dev->dev); - mutex_destroy(&inst->feed_lock); =20 unlock_and_return: @@ -738,8 +730,6 @@ int wave5_vpu_enc_close(struct vpu_instance *inst, u32 = *fail_res) int ret; int retry =3D 0; struct vpu_device *vpu_dev =3D inst->dev; - int inst_count =3D 0; - struct vpu_instance *inst_elm; =20 *fail_res =3D 0; if (!inst->codec_info) @@ -782,12 +772,6 @@ int wave5_vpu_enc_close(struct vpu_instance *inst, u32= *fail_res) } =20 wave5_vdi_free_dma_memory(vpu_dev, &p_enc_info->vb_task); - - list_for_each_entry(inst_elm, &vpu_dev->instances, list) - inst_count++; - if (inst_count =3D=3D 1) - pm_runtime_dont_use_autosuspend(vpu_dev->dev); - mutex_unlock(&vpu_dev->hw_lock); pm_runtime_put_sync(inst->dev->dev); =20 --=20 2.43.0