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a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1736234981; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nP3a904pW+4NeZpIzj2rL1y4z2Ox21R2Xnv72pkxwco=; b=kUQqq3eFKQVewMaUchSw5EAUYGP9HHxGRg6hRebVznMHtHICrD6XdTKTAfwJWtI0GoTpcs ImBdTuEMqD8JIzytM1HTt//DoWwt+Ci/ReXj6QXX/RS4A6rrQCKNyOrnZe9dUG8qMZrHnW VygnZzh72HPDs8KMeLlV3U6HG3BiPFJO/QuqnFcti7RLBBG2t8UvwZqoXZLKzXBdS05ohy 8vXM3XG6VH8PWNBlNxaB5L5HFIWUgLX4NG3cnkPTlMnHI6/br9uYw39Vgl58GQvgy74fEj Mq7udal6QZYZOLG+gGpfEKVaWTCuEFNS0fgAVNYIRD8CUcd8DuKhxuh1z+I52g== From: Alexander Stein To: dmitry.baryshkov@linaro.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, airlied@gmail.com, daniel@ffwll.ch, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, vkoul@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, mripard@kernel.org, Sandor Yu Cc: kernel@pengutronix.de, linux-imx@nxp.com, Sandor.yu@nxp.com, oliver.brown@nxp.com, sam@ravnborg.org Subject: Re: [PATCH v20 0/8] Initial support Cadence MHDP8501(HDMI/DP) for i.MX8MQ Date: Tue, 07 Jan 2025 08:29:36 +0100 Message-ID: <2381464.ElGaqSPkdT@steina-w> Organization: TQ-Systems GmbH In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@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 Sandor, thanks for the updates. Am Dienstag, 17. Dezember 2024, 07:51:42 CET schrieb Sandor Yu: > The patch set initial support Cadence MHDP8501(HDMI/DP) DRM bridge > driver and Cadence HDP-TX PHY(HDMI/DP) driver for Freescale i.MX8MQ. >=20 > The patch set compose of DRM bridge drivers and PHY driver. >=20 > Both of them need by patch #1 and #3 to pass build. >=20 > DRM bridges driver patches: > #1: soc: cadence: Create helper functions for Cadence MHDP > #2: drm: bridge: cadence: Update mhdp8546 mailbox access functions > #3: phy: Add HDMI configuration options > #4: dt-bindings: display: bridge: Add Cadence MHDP8501 > #5: drm: bridge: Cadence: Add MHDP8501 DP/HDMI driver >=20 > PHY driver patches: > #1: soc: cadence: Create helper functions for Cadence MHDP > #3: phy: Add HDMI configuration options > #6: dt-bindings: phy: Add Freescale iMX8MQ DP and HDMI PHY > #7: phy: freescale: Add DisplayPort/HDMI Combo-PHY driver for i.MX8MQ >=20 > i.MX8M/TQMa8Mx DT patches: > #8: Add DT nodes for DCSS/HDMI pipeline > #9: Enable HDMI for TQMa8Mx/MBa8Mx >=20 I gave this version a new try but unfortunately the display stays black. Although the display pipeline is intialized and even wayland starts. Do you have any idea where to start looking? Best regards, Alexander =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/