On Thu, Apr 01, 2021 at 01:15:23PM +0900, Kuninori Morimoto wrote: > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > Current simple-card / audio-graph are assuming fixed > single-CPU/Codec/Platform. > This patch prepares multi-CPU/Codec/Platform support. > > Note is that it is not yet full-multi-support. > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > --- > include/sound/simple_card_utils.h | 8 +++ > sound/soc/generic/audio-graph-card.c | 22 ++++++++ > sound/soc/generic/simple-card-utils.c | 72 +++++++++++++++++++-------- > sound/soc/generic/simple-card.c | 30 +++++++++++ > 4 files changed, 110 insertions(+), 22 deletions(-) Hi, This seems to break display support on a Jetson TX2 board for me, though I admittedly don't quite understand how it would be related to display at all. Reverting basically the whole series (because subsequent patches depend on this on) on top of next-20210415, I get working display again. There's this in the log, which seems to be related: [ 14.671377] tegra-audio-graph-card sound: too many links [ 14.799645] tegra-audio-graph-card sound: too many links [ 14.845375] tegra-audio-graph-card sound: too many links [ 14.853635] tegra-audio-graph-card sound: too many links [ 14.860934] tegra-audio-graph-card sound: too many links [ 14.868781] tegra-audio-graph-card sound: too many links [ 14.875659] tegra-audio-graph-card sound: too many links [ 14.907874] tegra-audio-graph-card sound: too many links [ 14.917351] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 [ 14.926255] Mem abort info: [ 14.929096] ESR = 0x96000047 [ 14.932208] EC = 0x25: DABT (current EL), IL = 32 bits [ 14.937559] SET = 0, FnV = 0 [ 14.940642] EA = 0, S1PTW = 0 [ 14.943867] Data abort info: [ 14.946753] ISV = 0, ISS = 0x00000047 [ 14.950611] CM = 0, WnR = 1 [ 14.953614] user pgtable: 64k pages, 48-bit VAs, pgdp=0000000100b94400 [ 14.960185] [0000000000000010] pgd=0800000102280003, p4d=0800000102280003, pud=0800000102280003, pmd=0800000101050003, pte=0000000000000000 [ 14.972774] Internal error: Oops: 96000047 [#1] PREEMPT SMP [ 14.978362] Modules linked in: drm_kms_helper snd_soc_tegra210_admaif snd_soc_tegra_pcm snd_soc_tegra210_dmic snd_soc_tegra210_i2s snd_soc_tegra186_dspk cfbfillrect cfbimgblt cfbcopyarea snd_soc_tegra210_ahub snd_soc_tegra_audio_graph_card snd_soc_audio_graph_card snd_soc_simple_card_utils crct10dif_ce at24 tegra_aconnect tegra_bpmp_thermal host1x drm fuse drm_panel_orientation_quirks ipv6 [ 15.012917] CPU: 2 PID: 69 Comm: kworker/u12:3 Tainted: G S 5.12.0-rc7-next-20210415 #108 [ 15.022390] Hardware name: NVIDIA Jetson TX2 Developer Kit (DT) [ 15.028303] Workqueue: events_unbound deferred_probe_work_func [ 15.034159] pstate: 40000005 (nZcv daif -PAN -UAO -TCO BTYPE=--) [ 15.040162] pc : snd_soc_get_dai_name+0x124/0x150 [ 15.044883] lr : snd_soc_get_dai_name+0xa4/0x150 [ 15.049521] sp : ffff800011fef780 [ 15.052849] x29: ffff800011fef780 x28: ffff00008bc14980 [ 15.058181] x27: 0000000000000000 x26: ffff000081aafc10 [ 15.063511] x25: ffff0001f7091680 x24: ffff800011538798 [ 15.068841] x23: 0000000000000010 x22: ffff800011538778 [ 15.074169] x21: ffff800011fef808 x20: 00000000fffffdf4 [ 15.079486] x19: ffff0000809c7880 x18: 0000000000000030 [ 15.084813] x17: 0000000000000000 x16: 0000000000000000 [ 15.090142] x15: ffffffffffffffff x14: ffffffff00000000 [ 15.095468] x13: ffffffffffffffff x12: 0000000000000020 [ 15.100804] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f [ 15.106135] x9 : 7f7f7f7f7f7f7f7f x8 : feff303f73716e6f [ 15.111464] x7 : 00000000ffffffff x6 : 0000314000000000 [ 15.116791] x5 : ffff0001f7091d28 x4 : ffff00008c41a010 [ 15.122109] x3 : 0000000000000000 x2 : 0000000000000010 [ 15.127439] x1 : 0000000000000000 x0 : ffff8000094614d8 [ 15.132756] Call trace: [ 15.135201] snd_soc_get_dai_name+0x124/0x150 [ 15.139560] asoc_simple_parse_dai.part.0+0x70/0xd0 [snd_soc_audio_graph_card] [ 15.146784] graph_dai_link_of_dpcm+0x100/0x38c [snd_soc_audio_graph_card] [ 15.153672] __graph_for_each_link+0x1dc/0x204 [snd_soc_audio_graph_card] [ 15.160471] audio_graph_parse_of+0x148/0x20c [snd_soc_audio_graph_card] [ 15.167178] tegra_audio_graph_probe+0x6c/0x8c [snd_soc_tegra_audio_graph_card] [ 15.174499] platform_probe+0x68/0xe0 [ 15.178164] really_probe+0xe4/0x50c [ 15.181754] driver_probe_device+0x64/0xc4 [ 15.185861] __device_attach_driver+0xb4/0x110 [ 15.190314] bus_for_each_drv+0x78/0xd0 [ 15.194149] __device_attach+0xd8/0x180 [ 15.197985] device_initial_probe+0x14/0x20 [ 15.202168] bus_probe_device+0x9c/0xa4 [ 15.206003] deferred_probe_work_func+0x88/0xc0 [ 15.210532] process_one_work+0x1cc/0x350 [ 15.214542] worker_thread+0x68/0x3ac [ 15.218203] kthread+0x128/0x134 [ 15.221431] ret_from_fork+0x10/0x34 [ 15.225045] Code: fa531004 54ffff81 f9400c00 f9400000 (f90002e0) [ 15.231134] ---[ end trace 671a11645631ca2f ]--- Any ideas what could be wrong? Adding Jon and linux-tegra for visibility. Thierry
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