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Message-ID: <20250925032338.20243-1-liujianfeng1994@gmail.com> Date: Thu, 25 Sep 2025 11:23:38 +0800 From: Jianfeng Liu <liujianfeng1994@...il.com> To: dmitry.baryshkov@....qualcomm.com Cc: airlied@...il.com, broonie@...nel.org, dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, liujianfeng1994@...il.com, lumag@...nel.org, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, quic_abhinavk@...cinc.com, simona@...ll.ch, sophon@...xa.com, tzimmermann@...e.de Subject: Re: [PATCH] drm/display: add hw_params callback function to drm_connector_hdmi_audio_ops Hi, On Thu, 25 Sep 2025 06:08:58 +0300, Dmitry Baryshkov wrote: >> [ 14.055198] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started >> [ 14.067225] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started >> [ 14.089925] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started >> [ 14.105988] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started >> [ 14.106027] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started >> [ 14.122707] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_prepare() started > >>From this log I don't see, why the function would fail in the way you've >described. Could you please post (for comparison) a trace log without >your patch? Here is the trace log without mu patch: [ 14.093437] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.105285] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.127546] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.144819] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 14.144855] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.652233] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 14.659556] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 14.666326] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 14.677484] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 14.690897] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 14.699779] msm_dpu ae01000.display-controller: [drm:adreno_request_fw] loaded qcom/a660_gmu.bin from new location [ 14.702160] [drm] Loaded GMU firmware v3.1.10 [ 14.714573] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.721910] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 14.721923] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 15.231216] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 15.238577] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 15.245323] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 15.256528] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 15.269943] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 15.279988] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 15.279997] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 15.785610] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 15.792908] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 15.799687] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 15.811261] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 15.825865] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 15.843283] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 15.843300] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 15.991449] rfkill: input handler disabled [ 16.349109] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 16.356529] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 16.363279] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 16.374539] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 16.388835] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 16.399355] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 16.399371] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 16.905665] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 16.913032] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 16.919837] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 16.931141] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 16.946106] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 16.958230] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 16.958242] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 17.464922] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 17.472219] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 17.478985] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 17.490126] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 17.503539] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 17.513599] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 17.513606] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 18.019162] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 18.026682] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 18.033427] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 18.044729] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 18.058144] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 18.068168] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 18.068176] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 18.574028] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 18.581321] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 18.588086] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 18.599667] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 18.613127] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 18.646419] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 18.646443] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.152583] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 19.160139] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 19.166909] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 19.178407] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 19.191821] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 19.222661] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 19.222678] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.730557] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 19.738156] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 19.744933] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 19.756633] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 19.770042] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 19.789888] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.799242] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 19.799252] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 20.308857] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 20.316540] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 20.323280] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 20.334923] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 20.348392] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 20.358449] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 20.358456] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 20.865298] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 20.873431] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 20.880197] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 20.891777] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 20.905293] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback [ 20.924421] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 20.924455] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 21.431143] qcom-apm gprsvc:service:2:1: Error (1) Processing 0x01001002 cmd [ 21.439239] qcom-apm gprsvc:service:2:1: DSP returned error[1001002] 1 [ 21.445985] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: Failed to start APM port 104 [ 21.457877] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: ASoC error (-22): at snd_soc_dai_prepare() on DISPLAY_PORT_RX_0 [ 21.471375] MultiMedia2 Playback: ASoC error (-22): at dpcm_run_update_startup() on MultiMedia2 Playback Best regards, Jianfeng
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