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a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1756996405; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=zlqqrNZEiY7IvtFC2IBEJxofiBdzO+GTzrOpSqcb4w8=; b=FBd4BEaS14MCTqQhaMKyPetyi2HMKe+mCbXS7zgCsuJzNmwMtXYZwLQ4jrwpSLA+PzN2up McSGUADKYjEVrHOUtG+izV5tWNXLmvK4mzPVM20q66XHPPqS907HHAzLPXVRhqPXytUvIK JuF4tG9AJStDVT/fXSdMFIQqbFTM5JFH7/yW643XqVg2eQDSMjcOSas61VgDFzfUBIFLBS o8RilpJVvxV3cxnYihXyXVbTDuF3DDjDLq7QHUzfxBUDTJ4K5VTOx3fAfoKNzVfrlQRQ7a FkKux87MuC0Amd7kiIzibz+1yYt/lN5FOFyuEDVMsHr/J5Yz2oHJ5FsT32C6Bw== From: Alexander Stein To: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, lumag@kernel.org, dianders@chromium.org, cristian.ciocaltea@collabora.com, luca.ceresoli@bootlin.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, victor.liu@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, devicetree@vger.kernel.org, l.stach@pengutronix.de, shengjiu.wang@gmail.com, perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org Cc: Shengjiu Wang Subject: Re: [PATCH v6 0/7] drm/bridge: imx: Add HDMI PAI driver on i.MX8MP Date: Thu, 04 Sep 2025 16:33:21 +0200 Message-ID: <13565586.O9o76ZdvQC@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <20250904070600.1361165-1-shengjiu.wang@nxp.com> References: <20250904070600.1361165-1-shengjiu.wang@nxp.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-Last-TLS-Session-Version: TLSv1.3 Hi, Am Donnerstag, 4. September 2025, 09:05:53 CEST schrieb Shengjiu Wang: > The HDMI TX Parallel Audio Interface (HTX_PAI) is a digital module that > acts as the bridge between the Audio Subsystem to the HDMI TX Controller. >=20 > Add HDMI PAI driver on i.MX8MP to make HDMI audio function fully work. On TQMa8MPxL + MBa8MPxL: Tested-by: Alexander Stein >=20 > changes in v6: > - remove mutex in dw_hdmi_set_sample_iec958() >=20 > changes in v5: > - add empty line commit message for patch 7 > - remove blank line in dts node > - add component_unbind_all when dw_hdmi_probe return error >=20 > changes in v4: > - separate dts for soc and board > - bind hdmi_pai with hdmi_tx by moving some code to .bind() and .unbind() > - add "select DRM_DW_HDMI" to fix build error reported by test robot > - remove unnecessary code/definition in pai driver >=20 > changes in v3: > - add space and 'U' in asoundef.h > - add more commit message for binding doc commit > - add bitfield.h header for fixing build error >=20 > changes in v2: > - address some comments on commit messages > - add two more commits: > add definitions for the bits in IEC958 subframe > add API dw_hdmi_set_sample_iec958() for iec958 format > - use component helper in hdmi_pai and hdmi_tx driver > - use regmap in hdmi_pai driver. > - add clocks in binding doc >=20 > Shengjiu Wang (7): > dt-bindings: display: imx: add HDMI PAI for i.MX8MP > ALSA: Add definitions for the bits in IEC958 subframe > drm/bridge: dw-hdmi: Add API dw_hdmi_to_plat_data() to get plat_data > drm/bridge: dw-hdmi: Add API dw_hdmi_set_sample_iec958() for iec958 > format > drm/bridge: imx: add driver for HDMI TX Parallel Audio Interface > arm64: dts: imx8mp: Add hdmi parallel audio interface node > arm64: dts: imx8mp-evk: enable hdmi_pai device >=20 > .../display/bridge/fsl,imx8mp-hdmi-tx.yaml | 12 ++ > .../display/imx/fsl,imx8mp-hdmi-pai.yaml | 69 ++++++++ > arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 4 + > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 27 ++- > drivers/gpu/drm/bridge/imx/Kconfig | 11 ++ > drivers/gpu/drm/bridge/imx/Makefile | 1 + > drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c | 158 ++++++++++++++++++ > drivers/gpu/drm/bridge/imx/imx8mp-hdmi-tx.c | 65 ++++++- > .../drm/bridge/synopsys/dw-hdmi-gp-audio.c | 5 + > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 16 +- > include/drm/bridge/dw_hdmi.h | 11 +- > include/sound/asoundef.h | 9 + > 12 files changed, 380 insertions(+), 8 deletions(-) > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx= 8mp-hdmi-pai.yaml > create mode 100644 drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c >=20 >=20 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/