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Message-ID: <3289670.5fSG56mABF@steina-w> Date: Wed, 08 Jan 2025 09:25:13 +0100 From: Alexander Stein <alexander.stein@...tq-group.com> To: "dmitry.baryshkov@...aro.org" <dmitry.baryshkov@...aro.org>, "andrzej.hajda@...el.com" <andrzej.hajda@...el.com>, "neil.armstrong@...aro.org" <neil.armstrong@...aro.org>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, "jonas@...boo.se" <jonas@...boo.se>, "jernej.skrabec@...il.com" <jernej.skrabec@...il.com>, "airlied@...il.com" <airlied@...il.com>, "daniel@...ll.ch" <daniel@...ll.ch>, "robh+dt@...nel.org" <robh+dt@...nel.org>, "krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>, "shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>, "festevam@...il.com" <festevam@...il.com>, "vkoul@...nel.org" <vkoul@...nel.org>, "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-phy@...ts.infradead.org" <"li nux-phy"@lists.infradead.org>, "mripard@...nel.org" <mripard@...nel.org>, Sandor Yu <sandor.yu@....com> Cc: "kernel@...gutronix.de" <kernel@...gutronix.de>, dl-linux-imx <linux-imx@....com>, Oliver Brown <oliver.brown@....com>, "sam@...nborg.org" <sam@...nborg.org> Subject: Re: [PATCH v20 0/8] Initial support Cadence MHDP8501(HDMI/DP) for i.MX8MQ Hi, Am Mittwoch, 8. Januar 2025, 01:31:11 CET schrieb Sandor Yu: > > Hi, > > > > Am Dienstag, 7. Januar 2025, 15:42:56 CET schrieb Sandor Yu: > > > Hi Alexander > > > > > > It may cause by the first preferred mode in EDID is not supported by driver. > > > Please use modetest or other user application to change the video mode to > > CTA standard modes. > > > Such as148.5MHz 1080p60 or 594MHz 3840x2160p60. > > > > No, the EDID does not affect the issue. I resurrected series v14 and HDMI > > does work without any issues at 1920x1080. > > If I can find a time slot maybe I can check which series version regresses. > > > > Could you please list the all video modes by modetest when device bootup? This is the output of modeset command after directly bootup: > trying to open device 'imx-dcss'...done > Encoders: > id crtc type possible crtcs possible clones > 32 40 none 0x00000001 0x00000001 > > Connectors: > id encoder status name size (mm) modes > encoders 33 32 connected HDMI-A-1 510x290 8 > 32> > modes: > index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot > > #0 1920x1080 60.00 1920 2008 2052 2200 1080 1084 1089 1125 148500 flags: > phsync, pvsync; type: preferred, driver #1 1920x1080 50.00 1920 2448 2492 > 2640 1080 1084 1089 1125 148500 flags: phsync, pvsync; type: driver #2 > 1280x720 60.00 1280 1390 1430 1650 720 725 730 750 74250 flags: phsync, > pvsync; type: driver #3 1280x720 50.00 1280 1720 1760 1980 720 725 730 > 750 74250 flags: phsync, pvsync; type: driver #4 1440x576 50.00 1440 1464 > 1592 1728 576 581 586 625 54000 flags: nhsync, nvsync; type: driver #5 > 1440x480 59.94 1440 1472 1596 1716 480 489 495 525 54000 flags: nhsync, > nvsync; type: driver #6 720x576 50.00 720 732 796 864 576 581 586 625 > 27000 flags: nhsync, nvsync; type: driver #7 720x480 59.94 720 736 798 > 858 480 489 495 525 27000 flags: nhsync, nvsync; type: driver> > props: > 1 EDID: > flags: immutable blob > blobs: > > value: > 00ffffffffffff000469a2231f870200 > 0d1a010380331d782ae295a2554f9f26 > 115054b7ef00d1c0b300950081808140 > 81c0714f0101023a801871382d40582c > 4500fd1e1100001e000000ff0047334c > 4d54463136353636330a000000fd0032 > 4b185311000a202020202020000000fc > 00415355532050423233380a20200194 > 020322714f0102031112130414050e0f > 1d1e1f90230917078301000065030c00 > 10008c0ad08a20e02d10103e9600fd1e > 11000018011d007251d01e206e285500 > fd1e1100001e011d00bc52d01e20b828 > 5540fd1e1100001e8c0ad09020403120 > 0c405500fd1e11000018000000000000 > 00000000000000000000000000000069 > > 2 DPMS: > flags: enum > enums: On=0 Standby=1 Suspend=2 Off=3 > value: 0 > > 5 link-status: > flags: enum > enums: Good=0 Bad=1 > value: 0 > > 6 non-desktop: > flags: immutable range > values: 0 1 > value: 0 > > 4 TILE: > flags: immutable blob > blobs: > > value: > 34 max bpc: > flags: range > values: 8 8 > value: 8 > > CRTCs: > id fb pos size > 40 43 (0,0) (1920x1080) > > #0 1920x1080 60.00 1920 2008 2052 2200 1080 1084 1089 1125 148500 flags: > phsync, pvsync; type: preferred, driver> > props: > 24 VRR_ENABLED: > flags: range > values: 0 1 > value: 0 > > Planes: > id crtc fb CRTC x,y x,y gamma size possible > crtcs 35 40 43 0,0 0,0 0 > 0x00000001> > formats: AR24 XR24 AB24 XB24 RA24 RX24 BA24 BX24 XR30 XB30 RX30 BX30 AR30 > AB30 RA30 BA30> > props: > 8 type: > flags: immutable enum > enums: Overlay=0 Primary=1 Cursor=2 > value: 1 > > 30 IN_FORMATS: > flags: immutable blob > blobs: > > value: > 01000000000000001000000018000000 > 03000000580000004152323458523234 > 41423234584232345241323452583234 > 42413234425832345852333058423330 > 52583330425833304152333041423330 > 52413330424133300310000000000000 > 00000000000000000100000000000006 > 03100000000000000000000000000000 > 0200000000000006ffff000000000000 > 00000000000000000000000000000000 > > in_formats blob decoded: > AR24: VIVANTE_TILED(0x600000000000001) > VIVANTE_SUPER_TILED(0x600000000000002) LINEAR(0x0) > XR24: VIVANTE_TILED(0x600000000000001) > VIVANTE_SUPER_TILED(0x600000000000002) LINEAR(0x0) > AB24: LINEAR(0x0) > XB24: LINEAR(0x0) > RA24: LINEAR(0x0) > RX24: LINEAR(0x0) > BA24: LINEAR(0x0) > BX24: LINEAR(0x0) > XR30: LINEAR(0x0) > XB30: LINEAR(0x0) > RX30: LINEAR(0x0) > BX30: LINEAR(0x0) > AR30: VIVANTE_TILED(0x600000000000001) > VIVANTE_SUPER_TILED(0x600000000000002) LINEAR(0x0) > AB30: LINEAR(0x0) > RA30: LINEAR(0x0) > BA30: LINEAR(0x0) > > 37 zpos: > flags: immutable range > values: 0 0 > value: 0 > > 38 SCALING_FILTER: > flags: enum > enums: Default=0 Nearest Neighbor=1 > value: 0 > > 39 rotation: > flags: bitmask > values: rotate-0=0x1 rotate-90=0x2 rotate-180=0x4 > rotate-270=0x8 reflect-x=0x10 reflect-y=0x20 value: 1 > > Frame buffers: > id size pitch The listed modes don't change over the series versions. The only significant difference is that since v16 there is a "max bpc" property Also since series v16 the HDMI screen stays blank, as in no signal. I tried all from v14 to v20, v14 and v15 work, the others don't. Best regards, Alexander > Sandor > > > Best regards, > > Alexander > > > > > > > > > > > > > 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. > > > > > > > > > > The patch set compose of DRM bridge drivers and PHY driver. > > > > > > > > > > Both of them need by patch #1 and #3 to pass build. > > > > > > > > > > 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 > > > > > > > > > > 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 > > > > > > > > > > i.MX8M/TQMa8Mx DT patches: > > > > > #8: Add DT nodes for DCSS/HDMI pipeline > > > > > #9: Enable HDMI for TQMa8Mx/MBa8Mx > > > > > > > > > > > > > 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 > > > > -- > > > > TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany > > > > Amtsgericht München, HRB 105018 > > > > Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider > > > > > > http://www/ > > > > .tq%2F&data=05%7C02%7Csandor.yu%40nxp.com%7C23ba3321d4d5480 > > 4b98f08dd > > > > > > 2f35f3db%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C63871863 > > 095591 > > > > > > 6087%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIw > > LjAuMDA > > > > > > wMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C% > > 7C&s > > > > > > data=4Ip3wEX207cu0EreOtf11F%2BS%2ByNzAcI2C2iPjjlQzVg%3D&reserved= > > 0 > > > > > > -group.com%2F&data=05%7C02%7CSandor.yu%40nxp.com%7C734ea27ba98 > > > > > > 140b7483e08dd2eed1276%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0% > > > > > > 7C0%7C638718317967624410%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU > > > > > > 1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIs > > > > > > IldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=1HdQdbye9p5AHoT7JCF3Md% > > > > 2FB9k9tyN%2FW25YKCEngvWM%3D&reserved=0 > > > > > > > > > > > > > > > > > > > -- > > TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany > > Amtsgericht München, HRB 105018 > > Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider > > http://www.tq/ > > -group.com%2F&data=05%7C02%7Csandor.yu%40nxp.com%7C23ba3321d4d > > 54804b98f08dd2f35f3db%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C > > 0%7C638718630955952151%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1h > > cGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIld > > UIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=n3QmrbJru4JcdZvEM%2FxJp4rVf > > Vmifjoxpq0o9Wxzh2Y%3D&reserved=0 > > > > > -- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider http://www.tq-group.com/
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