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charset="utf-8" From: Jackson Lee 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 ]--- Fixes: 2092b3833487 ("media: chips-media: wave5: Support runtime suspend/re= sume") Signed-off-by: Jackson Lee Signed-off-by: Nas Chung Reviewed-by: Nicolas Dufresne --- .../platform/chips-media/wave5/wave5-vpu-dec.c | 5 ++--- .../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 | 15 --------------- 4 files changed, 3 insertions(+), 22 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 e3038c18ca36..528387c6ecf6 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c @@ -1243,6 +1243,7 @@ static void wave5_vpu_dec_buf_queue_dst(struct vb2_bu= ffer *vb) struct vpu_instance *inst =3D vb2_get_drv_priv(vb->vb2_queue); struct v4l2_m2m_ctx *m2m_ctx =3D inst->v4l2_fh.m2m_ctx; =20 + pm_runtime_resume_and_get(inst->dev->dev); vbuf->sequence =3D inst->queued_dst_buf_num++; =20 if (inst->state =3D=3D VPU_INST_STATE_PIC_RUN) { @@ -1275,6 +1276,7 @@ static void wave5_vpu_dec_buf_queue_dst(struct vb2_bu= ffer *vb) } else { v4l2_m2m_buf_queue(m2m_ctx, vbuf); } + pm_runtime_put_autosuspend(inst->dev->dev); } =20 static void wave5_vpu_dec_buf_queue(struct vb2_buffer *vb) @@ -1825,9 +1827,6 @@ 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 9bfaa9fb3ceb..1bf1b92147bb 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c @@ -1768,9 +1768,6 @@ 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 e1715d3f43b0..b3c633dd3df1 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu.c @@ -322,7 +322,7 @@ 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 e5e879a13e8b..e94d6ebc9f81 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; =20 *fail_res =3D 0; if (!inst->codec_info) @@ -250,11 +248,6 @@ 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); =20 - 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); - unlock_and_return: mutex_unlock(&vpu_dev->hw_lock); pm_runtime_put_sync(inst->dev->dev); @@ -720,8 +713,6 @@ 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) @@ -764,12 +755,6 @@ 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