[Bug 94811] ATI radeon driver displays nothing or a client refused to switch message on hybrid graphics

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Apr 13 14:54:26 UTC 2016


--- Comment #13 from Saurav <saurav1.net at gmail.com> ---
(In reply to Michel Dänzer from comment #12)
> If you enable DRI3 with Option "DRI" "3", DRI_PRIME=1 works automagically.

How? Do you mean that the offloading will be done automatically, without having
to explicitly set DRI_PRIME=1? I tried putting Option "DRI" "3" in an XOrg
configuration file in the "Device" section for Driver "radeon", which results
in the same error as before. Otherwise, at least on my system, DRI_PRIME=1
works without having to do xrandr --setprovideroffloadsink and also without
explicitly setting up an XOrg configuration with Option "DRI" "3" on both
Fedora 23 and Ubuntu 16.04, but I do have to explicitly set DRI_PRIME=1. What I
was looking for would be a way to make the radeon driver do the offloading
automatically without having to manually set DRI_PRIME=1.

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