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Hide experimental Haswell GPU support behind a tunable
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Authored by dumbbell on Jan 30 2015, 9:01 PM.

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kib
emaste
adrian

Summary

The goal is to avoid a regression for people having a Haswell GPU and xf86-video-intel installed. The DDX will kldload i915kms causing the screen to go blank because the device is attached but not fully initialized.

The tuanble is "drm.i915.enable_haswell" (0 by default, set to 1 to enable experimental Haswell support).

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rS FreeBSD src repository - subversion

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dumbbell updated this revision to Diff 3555.Jan 30 2015, 9:01 PM

dumbbell retitled this revision from to Hide experimental Haswell GPU support behind a tunable.

dumbbell updated this object.

dumbbell edited the test plan for this revision. (Show Details)

dumbbell added reviewers: adrian, emaste.

adrian accepted this revision.Jan 30 2015, 9:07 PM

adrian edited edge metadata.

This revision is now accepted and ready to land.Jan 30 2015, 9:07 PM

dumbbell added a reviewer: kib.Jan 30 2015, 9:10 PM

Please do not do it this way. Splitting the list with pciids means more useless work later.

If you really think that such change is needed, I created what I consider a proper patch, D1744.

Superseded by D1744.

Revision Contents
Changeset List

Path

Size

sys/

dev/

drm2/

drm_pciids.h

16 lines

i915/

i915_drv.c

24 lines

Diff 3555

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sys/dev/drm2/drm_pciids.h