https://bugzilla.kernel.org/show_bug.cgi?id=199493 --- Comment #6 from haro41@xxxxxx --- This issue (no HDMI sound with amdgpu_dc=1) still exist in 4.17.0-rc7. The following warning is the first of many others in dmesg log: [ 10.067233] WARNING: CPU: 11 PID: 367 at drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:132 generic_reg_update_ex+0x102/0x150 [amdgpu] [ 10.067235] Modules linked in: amdgpu(+) intel_powerclamp binfmt_misc coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc btusb btrtl btbcm btintel bluetooth wmi_bmof chash snd_hda_codec_hdmi i2c_algo_bit gpu_sched drbg ttm snd_hda_intel drm_kms_helper ansi_cprng snd_hda_codec joydev snd_hwdep syscopyarea sysfillrect snd_hda_core sysimgblt fb_sys_fops ecdh_generic snd_pcm drm snd_timer snd aesni_intel soundcore aes_x86_64 crypto_simd cryptd glue_helper sg lpc_ich mfd_core evdev shpchp wmi button uinput ip_tables x_tables autofs4 hid_generic usbhid hid ext4 crc32c_generic crc16 mbcache jbd2 fscrypto sd_mod xhci_pci xhci_hcd ahci crc32c_intel libahci ehci_pci libata ehci_hcd e100 i2c_i801 scsi_mod mii usbcore [ 10.067346] CPU: 11 PID: 367 Comm: systemd-udevd Not tainted 4.17.0-rc7 #2 [ 10.067427] RIP: 0010:generic_reg_update_ex+0x102/0x150 [amdgpu] [ 10.067429] RSP: 0018:ffffb8ed4071f3f8 EFLAGS: 00010246 [ 10.067433] RAX: ffffb8ed4071f418 RBX: ffff8e337604cf00 RCX: 0000000000000000 [ 10.067435] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8e339fb96e00 [ 10.067437] RBP: ffffb8ed4071f468 R08: 0000000000000000 R09: 0000000000000000 [ 10.067438] R10: ffffb8ed4071f480 R11: 0000000000000001 R12: 0000000000000001 [ 10.067440] R13: 0000000000000000 R14: ffff8e339aa0e000 R15: ffff8e335efe8188 [ 10.067443] FS: 00007fa4782c88c0(0000) GS:ffff8e33a7400000(0000) knlGS:0000000000000000 [ 10.067445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.067447] CR2: 00007fa4782f7a8c CR3: 00000005dd52c003 CR4: 00000000000606e0 [ 10.067449] Call Trace: [ 10.067544] dce110_stream_encoder_update_hdmi_info_packets+0x357/0x550 [amdgpu] [ 10.067628] dce110_apply_ctx_to_hw+0x6e5/0x860 [amdgpu] [ 10.067718] dc_commit_state+0x2de/0x540 [amdgpu] [ 10.067792] ? set_freesync_on_streams.part.6+0x4d/0x250 [amdgpu] [ 10.067867] ? mod_freesync_set_user_enable+0x11d/0x150 [amdgpu] [ 10.067951] amdgpu_dm_atomic_commit_tail+0x35b/0xd10 [amdgpu] [ 10.067967] ? drm_atomic_helper_swap_state+0x25a/0x380 [drm_kms_helper] [ 10.067980] ? _raw_spin_unlock+0x24/0x30 [ 10.067994] commit_tail+0x3a/0x70 [drm_kms_helper] [ 10.068004] drm_atomic_helper_commit+0x11c/0x130 [drm_kms_helper] [ 10.068015] restore_fbdev_mode_atomic+0x1b2/0x220 [drm_kms_helper] [ 10.068040] drm_fb_helper_restore_fbdev_mode_unlocked+0x47/0x90 [drm_kms_helper] [ 10.068050] drm_fb_helper_set_par+0x29/0x50 [drm_kms_helper] [ 10.068055] fbcon_init+0x4de/0x680 [ 10.068066] visual_init+0xcf/0x130 [ 10.068072] do_bind_con_driver+0x1ef/0x3f0 [ 10.068083] do_take_over_console+0x7b/0x180 [ 10.068090] do_fbcon_takeover+0x58/0xb0 [ 10.068095] notifier_call_chain+0x45/0x70 [ 10.068102] blocking_notifier_call_chain+0x44/0x60 [ 10.068108] register_framebuffer+0x294/0x350 [ 10.068126] __drm_fb_helper_initial_config_and_unlock+0x229/0x490 [drm_kms_helper] [ 10.068196] amdgpu_fbdev_init+0xc4/0xf0 [amdgpu] [ 10.068257] amdgpu_device_init+0xd60/0x1460 [amdgpu] [ 10.068268] ? kmalloc_order+0x18/0x40 [ 10.068327] amdgpu_driver_load_kms+0x78/0x200 [amdgpu] [ 10.068349] drm_dev_register+0x131/0x1c0 [drm] [ 10.068409] amdgpu_pci_probe+0x13f/0x200 [amdgpu] [ 10.068421] pci_device_probe+0xc8/0x140 [ 10.068429] driver_probe_device+0x302/0x470 [ 10.068436] __driver_attach+0xb9/0xe0 [ 10.068440] ? driver_probe_device+0x470/0x470 [ 10.068444] ? driver_probe_device+0x470/0x470 [ 10.068447] bus_for_each_dev+0x76/0xc0 [ 10.068455] bus_add_driver+0x164/0x260 [ 10.068459] ? 0xffffffffc0de5000 [ 10.068464] driver_register+0x57/0xc0 [ 10.068467] ? 0xffffffffc0de5000 [ 10.068471] do_one_initcall+0x5d/0x1e3 [ 10.068478] ? _cond_resched+0x15/0x40 [ 10.068483] ? kmem_cache_alloc_trace+0x18e/0x1e0 [ 10.068487] ? do_init_module+0x22/0x201 [ 10.068493] do_init_module+0x5b/0x201 [ 10.068498] load_module+0x21f8/0x2a50 [ 10.068511] ? ima_post_read_file+0x102/0x110 [ 10.068530] ? __do_sys_finit_module+0xe9/0x110 [ 10.068533] __do_sys_finit_module+0xe9/0x110 [ 10.068550] do_syscall_64+0x49/0xe0 [ 10.068555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 10.068558] RIP: 0033:0x7fa477c098f9 [ 10.068560] RSP: 002b:00007fffe9e1bbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.068563] RAX: ffffffffffffffda RBX: 0000557789eac330 RCX: 00007fa477c098f9 [ 10.068565] RDX: 0000000000000000 RSI: 0000557789edf2b0 RDI: 0000000000000018 [ 10.068567] RBP: 0000557789edf2b0 R08: 0000000000000000 R09: 0000000000000000 [ 10.068569] R10: 0000000000000018 R11: 0000000000000246 R12: 0000000000000000 [ 10.068571] R13: 0000557789ea0820 R14: 0000000000020000 R15: 0000000000000000 [ 10.068587] Code: 18 89 da 48 8b 07 ff 50 08 48 8b 75 a8 65 48 33 34 25 28 00 00 00 89 d8 75 18 48 83 c4 50 5b 41 5a 41 5c 41 5d 5d c3 0f 0b eb b9 <0f> 0b e9 48 ff ff ff e8 d2 06 5d f9 41 ba 01 00 00 00 44 89 c0 [ 10.068673] ---[ end trace 5d19fb5dcccc4b59 ]--- -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel