From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [RFC 00/13] arm64: allwinner: Add A64 DE2 pipeline support Date: Tue, 24 Apr 2018 16:08:50 +0200 Message-ID: <20180424140850.ptxpmtusour7u6nb@flea> References: <20180424133425.24291-1-jagan@amarulasolutions.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="pqvbqcet3rmln5gs" Return-path: Content-Disposition: inline In-Reply-To: <20180424133425.24291-1-jagan@amarulasolutions.com> Sender: linux-kernel-owner@vger.kernel.org To: Jagan Teki Cc: Chen-Yu Tsai , Icenowy Zheng , Jernej Skrabec , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , Michael Trimarchi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com List-Id: devicetree@vger.kernel.org --pqvbqcet3rmln5gs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 24, 2018 at 07:04:12PM +0530, Jagan Teki wrote: > Allwinner A64 has display engine pipeline like other Allwinner SOC's A83T= /H3/H5. >=20 > A64 DE2 behaviour similar to Allwinner A83T where mixer0, connected to tc= on0 with > RGB, LVDS MIPI-DSI and mixer1, connected to tcon1 with HDMI. > This series merely concentrated on HDMI pipeline and rest will add eventu= ally. >=20 > patch 1: dt-bindings for a64 DE2 CCU >=20 > patch 2: a64 DE2 CCU node addition >=20 > patch 3: dt-bindings for a64 DE2 pipeline >=20 > patch 4 - 5: dt-bindings for a64 mixer0 and tcon-lcd >=20 > patch 6: a64 DE2 pipeline node addition >=20 > patch 7 - 8: dt-bindings for a64 HDMI and HDMI PHY >=20 > patch 9: a64 HDMI nodes addition >=20 > patch 10 - 11: dt-bindings for a64 mixer1 and tcon-tv >=20 > patch 12: a64 HDMI pipeline >=20 > patch 13: enable HDMI out on bananpi-m64 >=20 > Tested HDMI on bananapi-m64 (along with DE2 SRAM C changes from [1] > thread), able to detect the HDMI but, no penguins on screen. >=20 > Request for any suggestions. >=20 > Test log on Bananpi-m64: > [ 0.247631] sun4i-drm display-engine: bound 1100000.mixer (ops sun8i_m= ixer_ops) > [ 0.256717] sun4i-drm display-engine: bound 1200000.mixer (ops sun8i_m= ixer_ops) > [ 0.256783] sun4i-tcon 1c0c000.lcd-controller: Missing LVDS properties= , Please upgrade your DT > [ 0.256792] sun4i-tcon 1c0c000.lcd-controller: LVDS output disabled That doesn't seem to work so well for LVDS. > [ 0.257081] sun4i-drm display-engine: No panel or bridge found... RGB = output disabled > [ 0.257099] sun4i-drm display-engine: bound 1c0c000.lcd-controller (op= s sun4i_tcon_ops) > [ 0.257273] sun4i-drm display-engine: No panel or bridge found... RGB = output disabled > [ 0.257288] sun4i-drm display-engine: bound 1c0d000.lcd-controller (op= s sun4i_tcon_ops) > [ 0.258176] sun8i-dw-hdmi 1ee0000.hdmi: Detected HDMI TX controller v1= =2E32a with HDCP (sun8i_dw_hdmi_p) > [ 0.258596] sun8i-dw-hdmi 1ee0000.hdmi: registered DesignWare HDMI I2C= bus driver > [ 0.259188] sun4i-drm display-engine: bound 1ee0000.hdmi (ops sun8i_dw= _hdmi_ops) > [ 0.259199] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). > [ 0.259205] [drm] No driver support for vblank timestamp query. > [ 0.259308] [drm] Cannot find any crtc or sizes A good guess would be that you can't get the EDIDs for some reason. Have you tried forcing a mode to see if the display part already works? Maxime --=20 Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --pqvbqcet3rmln5gs Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAlrfOnEACgkQ0rTAlCFN r3Qvlg/+MjOva/LMdrvxZ4DeYIpYzXEKG9plq6mlcc2jGvVFtBBBUew3QunX9b2G bnPOYwqywqAbXeASbcU+7A+Srf11gDfCs8T3Zd7SX8aqCEGIsWeCv5HDoJM9yVA6 tB7g/hROvXPomkGrqH6HrRzYyqVue0gCYbUWQICg2Lm++Jg/zxuv/kOkpUX50hvC 1ScNaFaLE2yfYF3ZajXHBUotvFA+0fmj8/UEZxuSMc0STFegvYnPLIKb7FXWfO3Q WS/QSqZ2N30xi5FbdyLBB3mkDFosOR1Bn+Ws0npuFxhCc6JiZyvopmQ8bNL7uJfi arfVgDUgfsYeFSAO1fPwimQkIUouh+TMNJcRvpogf7dqIh5gsMLw20g5o+O3H4MV 3E+468Pi6cV9mbWDbgEZks/FGjmfI3tFzH8sUDBgOR75+8bsnck+O6a0B49Cp/DX cJ/8bgbRsiW0VmQ/oXc5XKe1FYOm0lLkjnBb5NNkAlvZWRo/w9iQcBujVZndtNDM LXenocnL8hVjTIfVf2XxhSX026eRFV0OeOSd7Mmvrbx3IjMuSOPhp+WcBnorvkGX XvMLUfKT3iEcG1PyoGOgTR+1+3LjhbWqycGtkV2OanF+FHx4Ne7KXZbXiu4eNe16 YeCmHfhoQdOp2y65XpY+PnByS8iz+OF0wuRjT8ugDzEpDNc6FOM= =gYwQ -----END PGP SIGNATURE----- --pqvbqcet3rmln5gs--