Hi Fabio, thank you for the heads-up! I asked Richard Leitner yesterday as he said he has a system working with 5.4.y and thankfully he provided some relevant entries from their devicetree. So I will look into it (and most likely also get into contact with the relevant people as per your suggestion) once I finish my current task.
Thank you again for your help! Cheers, Stefan -----Ursprüngliche Nachricht----- Von: Fabio Estevam [mailto:[email protected]] Gesendet: Dienstag, 17. Dezember 2019 12:09 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 Tue, Dec 17, 2019 at 7:44 AM Stefan Birkholz <[email protected]> wrote: > [ 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 -517 is -EPROBE_DEFER. We need to understand which resource is causing this problem. > 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. I would suggest to report such regression to the lists and folks listed by ./scripts/get_maintainer.pl -f drivers/gpu/drm/imx/ Sharing your device tree would also help in the report. Regards, Fabio Estevam
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