Re: Dual external monitors not working since drm 5.10.47 upgrade

On 9/7/22 13:05, Jonathan Gray wrote:
> If you add "option DRMDEBUG" to your kernel config
> there may be some hints in the (large amount of) dmesg output
>
> Also build with this to add some more DP messages.
> Used in sys/dev/pci/drm/drm_dp_mst_topology.c
>
> Index: sys/dev/pci/drm/drm_print.c
> ===================================================================
> RCS file: /cvs/src/sys/dev/pci/drm/drm_print.c,v
> retrieving revision 1.4
> diff -u -p -r1.4 drm_print.c
> --- sys/dev/pci/drm/drm_print.c 12 Jun 2020 10:06:40 -0000 1.4
> +++ sys/dev/pci/drm/drm_print.c 7 Sep 2022 10:38:00 -0000
> @@ -43,7 +43,7 @@
> * Bitmask of DRM_UT_x. See include/drm/drm_print.h for details.
> */
> #ifdef DRMDEBUG
> -unsigned int __drm_debug = DRM_UT_DRIVER | DRM_UT_KMS;
> +unsigned int __drm_debug = DRM_UT_DRIVER | DRM_UT_KMS | DRM_UT_DP;
> #else
> unsigned int __drm_debug;
>