Changes between Version 1 and Version 2 of Ticket #17350, comment 15


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Timestamp:
Feb 1, 2022, 10:00:46 PM (3 years ago)
Author:
rudolfc

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  • Ticket #17350, comment 15

    v1 v2  
    11It shows an error indeed. You have I think 2 lanes to your panel, while programming thinks it's just one. So it cannot work indeed.
    2 I just pushed another update to the driver which paves the way to fix this problem (decoupling of the eDP link / FDI link M/N programming from the FDI link train stuff. Next up I'll only call M/N programming if PORT_A on gen 6 and 7. Still need to put in some time to see if I can dig up the settings from a register or two in your card though, but looks like gen6 misses stuff that gen7 does have, if so I am going to assume all gen6 eDP panels use 2 lanes fixed for instance.
     2I just pushed another update to the driver which paves the way to fix this problem (decoupling of the eDP link / FDI link M/N programming from the FDI link train stuff). Next up I'll only call M/N programming if PORT_A on gen 6 and 7. Still need to put in some time to see if I can dig up the settings from a register or two in your card though, but looks like gen6 misses stuff that gen7 does have, if so I am going to assume all gen6 eDP panels use 2 lanes fixed for instance.
    33
    44I'll get back to you when I have some stuff in place for this :-)