[PATCH v2] drm/amdgpu: Fix the BO release clear memory warning
Mario Limonciello
mario.limonciello at amd.com
Thu Jun 6 20:19:21 UTC 2024
On 6/6/2024 15:04, Arunpravin Paneer Selvam wrote:
> This happens when the amdgpu_bo_release_notify running
> before amdgpu_ttm_set_buffer_funcs_status set the buffer
> funcs to enabled.
>
> check the buffer funcs enablement before calling the fill
> buffer memory.
>
> v2:(Christian)
> - Apply it only for GEM buffers and since GEM buffers are only
> allocated/freed while the driver is loaded we never run into
> the issue to clear with buffer funcs disabled.
>
> Log snip:
> [ 6.036477] [drm:amdgpu_fill_buffer [amdgpu]] *ERROR* Trying to clear memory with ring turned off.
> [ 6.036667] ------------[ cut here ]------------
> [ 6.036668] WARNING: CPU: 3 PID: 370 at drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:1355 amdgpu_bo_release_notify+0x201/0x220 [amdgpu]
> [ 6.036767] Modules linked in: hid_generic amdgpu(+) amdxcp drm_exec gpu_sched drm_buddy i2c_algo_bit usbhid drm_suballoc_helper drm_display_helper hid sd_mod cec rc_core drm_ttm_helper ahci ttm nvme libahci drm_kms_helper nvme_core r8169 xhci_pci libata t10_pi xhci_hcd realtek crc32_pclmul crc64_rocksoft mdio_devres crc64 drm crc32c_intel scsi_mod usbcore thunderbolt crc_t10dif i2c_piix4 libphy crct10dif_generic crct10dif_pclmul crct10dif_common scsi_common usb_common video wmi gpio_amdpt gpio_generic button
> [ 6.036793] CPU: 3 PID: 370 Comm: (udev-worker) Not tainted 6.8.7-dirty #1
> [ 6.036795] Hardware name: ASRock X670E Taichi/X670E Taichi, BIOS 2.10 03/26/2024
> [ 6.036796] RIP: 0010:amdgpu_bo_release_notify+0x201/0x220 [amdgpu]
> [ 6.036891] Code: 0b e9 af fe ff ff 48 ba ff ff ff ff ff ff ff 7f 31 f6 4c 89 e7 e8 7f 2f 7a d8 eb 98 e8 18 28 7a d8 eb b2 0f 0b e9 58 fe ff ff <0f> 0b eb a7 be 03 00 00 00 e8 e1 89 4e d8 eb 9b e8 aa 4d ad d8 66
> [ 6.036892] RSP: 0018:ffffbbe140d1f638 EFLAGS: 00010282
> [ 6.036894] RAX: 00000000ffffffea RBX: ffff90cba9e4e858 RCX: ffff90dabde38c28
> [ 6.036895] RDX: 0000000000000000 RSI: 00000000ffffdfff RDI: 0000000000000001
> [ 6.036896] RBP: ffff90cba980ef40 R08: 0000000000000000 R09: ffffbbe140d1f3c0
> [ 6.036896] R10: ffffbbe140d1f3b8 R11: 0000000000000003 R12: ffff90cba9e4e800
> [ 6.036897] R13: ffff90cba9e4e958 R14: ffff90cba980ef40 R15: 0000000000000258
> [ 6.036898] FS: 00007f2bd1679d00(0000) GS:ffff90da7e2c0000(0000) knlGS:0000000000000000
> [ 6.036899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 6.036900] CR2: 000055a9b0f7299d CR3: 000000011bb6e000 CR4: 0000000000750ef0
> [ 6.036901] PKRU: 55555554
> [ 6.036901] Call Trace:
> [ 6.036903] <TASK>
> [ 6.036904] ? amdgpu_bo_release_notify+0x201/0x220 [amdgpu]
> [ 6.036998] ? __warn+0x81/0x130
> [ 6.037002] ? amdgpu_bo_release_notify+0x201/0x220 [amdgpu]
> [ 6.037095] ? report_bug+0x171/0x1a0
> [ 6.037099] ? handle_bug+0x3c/0x80
> [ 6.037101] ? exc_invalid_op+0x17/0x70
> [ 6.037103] ? asm_exc_invalid_op+0x1a/0x20
> [ 6.037107] ? amdgpu_bo_release_notify+0x201/0x220 [amdgpu]
> [ 6.037199] ? amdgpu_bo_release_notify+0x14a/0x220 [amdgpu]
> [ 6.037292] ttm_bo_release+0xff/0x2e0 [ttm]
> [ 6.037297] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.037299] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.037301] ? ttm_resource_move_to_lru_tail+0x140/0x1e0 [ttm]
> [ 6.037306] amdgpu_bo_free_kernel+0xcb/0x120 [amdgpu]
> [ 6.037399] dm_helpers_free_gpu_mem+0x41/0x80 [amdgpu]
> [ 6.037544] dcn315_clk_mgr_construct+0x198/0x7e0 [amdgpu]
> [ 6.037692] dc_clk_mgr_create+0x16e/0x5f0 [amdgpu]
> [ 6.037826] dc_create+0x28a/0x650 [amdgpu]
> [ 6.037958] amdgpu_dm_init.isra.0+0x2d5/0x1ec0 [amdgpu]
> [ 6.038085] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038087] ? prb_read_valid+0x1b/0x30
> [ 6.038089] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038090] ? console_unlock+0x78/0x120
> [ 6.038092] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038094] ? vprintk_emit+0x175/0x2c0
> [ 6.038095] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038097] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038098] ? dev_printk_emit+0xa5/0xd0
> [ 6.038104] dm_hw_init+0x12/0x30 [amdgpu]
> [ 6.038209] amdgpu_device_init+0x1e50/0x2500 [amdgpu]
> [ 6.038308] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038310] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038313] amdgpu_driver_load_kms+0x19/0x190 [amdgpu]
> [ 6.038409] amdgpu_pci_probe+0x18b/0x510 [amdgpu]
> [ 6.038505] local_pci_probe+0x42/0xa0
> [ 6.038508] pci_device_probe+0xc7/0x240
> [ 6.038510] really_probe+0x19b/0x3e0
> [ 6.038513] ? __pfx___driver_attach+0x10/0x10
> [ 6.038514] __driver_probe_device+0x78/0x160
> [ 6.038516] driver_probe_device+0x1f/0x90
> [ 6.038517] __driver_attach+0xd2/0x1c0
> [ 6.038519] bus_for_each_dev+0x85/0xd0
> [ 6.038521] bus_add_driver+0x116/0x220
> [ 6.038523] driver_register+0x59/0x100
> [ 6.038525] ? __pfx_amdgpu_init+0x10/0x10 [amdgpu]
> [ 6.038618] do_one_initcall+0x58/0x320
> [ 6.038621] do_init_module+0x60/0x230
> [ 6.038624] init_module_from_file+0x89/0xe0
> [ 6.038628] idempotent_init_module+0x120/0x2b0
> [ 6.038630] __x64_sys_finit_module+0x5e/0xb0
> [ 6.038632] do_syscall_64+0x84/0x1a0
> [ 6.038634] ? do_syscall_64+0x90/0x1a0
> [ 6.038635] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038637] ? do_syscall_64+0x90/0x1a0
> [ 6.038638] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038639] ? do_syscall_64+0x90/0x1a0
> [ 6.038640] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038642] ? srso_alias_return_thunk+0x5/0xfbef5
> [ 6.038644] entry_SYSCALL_64_after_hwframe+0x78/0x80
> [ 6.038645] RIP: 0033:0x7f2bd1e9d059
> [ 6.038647] Code: 08 89 e8 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 8f 1d 0d 00 f7 d8 64 89 01 48
> [ 6.038648] RSP: 002b:00007fffaf804878 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
> [ 6.038650] RAX: ffffffffffffffda RBX: 000055a9b2328d60 RCX: 00007f2bd1e9d059
> [ 6.038650] RDX: 0000000000000000 RSI: 00007f2bd1fd0509 RDI: 0000000000000024
> [ 6.038651] RBP: 0000000000000000 R08: 0000000000000040 R09: 000055a9b23000a0
> [ 6.038652] R10: 0000000000000038 R11: 0000000000000246 R12: 00007f2bd1fd0509
> [ 6.038652] R13: 0000000000020000 R14: 000055a9b2326f90 R15: 0000000000000000
> [ 6.038655] </TASK>
> [ 6.038656] ---[ end trace 0000000000000000 ]---
>
> Cc: <stable at vger.kernel.org> # 6.10+
I think the stable tag really won't be needed and could be dropped when
this is committed. This will presumably go into a -fixes PR for 6.10.
> Fixes: a68c7eaa7a8f ("drm/amdgpu: Enable clear page functionality")
> Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam at amd.com>
> Suggested-by: Christian König <christian.koenig at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 1 +
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 --
> 2 files changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index 67c234bcf89f..3adaa4670103 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -108,6 +108,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
>
> memset(&bp, 0, sizeof(bp));
> *obj = NULL;
> + flags |= AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE;
>
> bp.size = size;
> bp.byte_align = alignment;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> index 8d8c39be6129..c556c8b653fa 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> @@ -604,8 +604,6 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
> if (!amdgpu_bo_support_uswc(bo->flags))
> bo->flags &= ~AMDGPU_GEM_CREATE_CPU_GTT_USWC;
>
> - bo->flags |= AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE;
> -
> bo->tbo.bdev = &adev->mman.bdev;
> if (bp->domain & (AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA |
> AMDGPU_GEM_DOMAIN_GDS))
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