drm-kmod on a ThinkPad T550
newsgroups at rubenschade.com
Wed Mar 25 07:51:15 UTC 2020
I bought myself a second-hand Broadwell ThinkPad T550 for my birthday!
Everything else works well out of the box with amd64 12.1-RELEASE, but I
can't get drm-kmod working.
> # pciconf -lv | grep -A2 -B2 Graphics
> ==> vgapci0 at pci0:0:2:0: class=0x030000 card=0x222317aa \
> ==> chip=0x161680086 rev=0x09 hdr=0x00
> ==> vendor = 'Intel Corporation'
> ==> device = 'HD Graphics 5500'
> ==> class = display
> ==> subclass = VGA
Did a clean install (adding my user to the video group), then updated
> # freebsd-update fetch install
> # shutdown -r now
> # uname -r
> ==> 12.1-RELEASE-p3
Then set pkg to use latest not quarterly, and install the driver:
> # pkg bootstrap
> # pkg update
> # pkg install drm-kmod
> # sysrc kld_load="/boot/modules/i915kms.ko"
> # pkg info | grep drm
> ==> drm-fbsd12.0-kmod-4.16-g20200221
> ==> drm-kmod-g20190710
> ==> gpu-firmware-kmod-g20200130
After rebooting, vt still loads as 640x480, and dmesg shows nothing:
> # dmesg | grep drm
> ==> *crickets!*
I saw there was an issue in 12.1-RELEASE's errata about drm-kmod, but
the bugzilla threads say the package is now being built with 12.1-R so
it should work.
Anyone see what I could be doing wrong?
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