Hi Fabia, 5.4.3 also doesn't work:
[ 2.847793] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 2.854549] [drm] No driver support for vblank timestamp query. [ 2.910683] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops imx_drm_exit [imxdrm]) [ 2.939490] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops imx_drm_exit [imxdrm]) [ 2.950857] imx-drm display-subsystem: failed to bind disp0 (ops imx_pd_ops [parallel_display]): -517 [ 2.964169] imx-drm display-subsystem: master bind failed: -517 In the devicetree I use "fsl,imx-display-subsystem", "fsl,imx-parallel-display" and "panel-lvds" as drivers for our display; these settings work (without problems) on 4.19 and up to 5.0.21, but starting from 5.1.0 I get the error above. Cheers, Stefan -----Ursprüngliche Nachricht----- Von: Fabio Estevam [mailto:[email protected]] Gesendet: Dienstag, 17. Dezember 2019 03:07 An: Stefan Birkholz <[email protected]> Cc: Clay Montgomery <[email protected]>; [email protected] Betreff: Re: [meta-freescale] How to get an fb device with Sumo on i.MX6? Hi Stefan, On Wed, Dec 11, 2019 at 11:17 AM Stefan Birkholz <[email protected]> wrote: > > Hi, > > > > I had the exact same problem (no framebuffer, no display output; using > i.MX6DL) when I used the NXP Kernel – switching to mainline solved all these > problems for me (we also want to use etnaviv, but we don’t require too much > functionality). Actually, it works until Kernel 5.0.21, but with anything > higher there seems to be a problem with the imx-drm driver not being able to > bind disp0 (with error: -517). Could you try 5.4.3?
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