[Bug 267915] x11-wm/mutter: after graphics/mesa-* 21.3.8 -> 22.2.3 update OpenGL compositing fails on Intel Iris Pro

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 16 Mar 2025 05:29:47 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267915

--- Comment #40 from Andre Albsmeier <mail@fbsd2.e4m.org> ---
(In reply to Harald Schmalzbauer from comment #39)
> At least today, modesetting(4) seems to have the DRI Option.

Well, yes, it seems to know it but at least here it doesn't make use of it.
It even complains in Xorg.0.log:

(WW) modeset(0): Option "DRI" is not used

I then even added your HotPlug option and now it complains about this as well:

(WW) modeset(0): Option "HotPlug" is not used
(WW) modeset(0): Option "DRI" is not used

And xdriinfo still fails:
failed to authenticate magic 1
failed to load driver: iris
Screen 0: zink

I am on freebsd-drm-kmod-6.1.92-drm_v6.1.92_2 but the rest is the same as
yours.

In my dmesg I find:

drmn0: successfully loaded firmware image 'i915/kbl_dmc_ver1_04.bin'
drmn0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)
drmn0: [drm] failed to retrieve link info, disabling eDP
drmn0: [drm] [ENCODER:94:DDI B/PHY B] is disabled/in DSI mode with an ungated
DDI clock, gate it
drmn0: [drm] [ENCODER:120:DDI D/PHY D] is disabled/in DSI mode with an ungated
DDI clock, gate it
...
[drm] Initialized i915 1.6.0 20201103 for drmn0 on minor 0
VT: Replacing driver "vga" with new "drmfb".
start FB_INFO:
height=1200 width=1920 depth=32
pbase=0xa0040000 vbase=0xfffff800a0040000
name=drmn0 id=i915drmfb flags=0x0 stride=7680
end FB_INFO

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