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([45.32.55.39]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-27ed6ad15e6sm7402485ad.143.2025.09.24.19.57.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Sep 2025 19:57:34 -0700 (PDT) From: Jianfeng Liu To: dmitry.baryshkov@oss.qualcomm.com Cc: airlied@gmail.com, broonie@kernel.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, liujianfeng1994@gmail.com, lumag@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, quic_abhinavk@quicinc.com, simona@ffwll.ch, sophon@radxa.com, tzimmermann@suse.de Subject: Re: [PATCH] drm/display: add hw_params callback function to drm_connector_hdmi_audio_ops Date: Thu, 25 Sep 2025 10:57:14 +0800 Message-ID: <20250925025714.20121-1-liujianfeng1994@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <6mq5morx4kuwmxa3dhpxf42uqedtveectlbeodl5oj74rqk4gy@oweda3unauqj> References: <6mq5morx4kuwmxa3dhpxf42uqedtveectlbeodl5oj74rqk4gy@oweda3unauqj> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi, On 2025-09-25 2:18 UTC, Dmitry Baryshkov wrote: >When does q6apm_lpass_dai_prepare() happen? q6apm_lpass_dai_prepare() happens both before and after hw_params/prepare of hdmi-codec: [ 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 [ 14.132017] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.197843] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.633992] msm_dpu ae01000.display-controller: [drm:adreno_request_fw] loaded qcom/a660_gmu.bin from new location [ 14.635452] [drm] Loaded GMU firmware v3.1.10 [ 15.929293] rfkill: input handler disabled [ 19.406507] qcom-soundwire 3210000.soundwire: qcom_swrm_irq_handler: SWR Port collision detected [ 19.415672] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.465864] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.581446] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.693965] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 19.694012] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.706621] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_prepare() started [ 19.722543] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.775071] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started Best regards, Jianfeng