Looks like the DC code can't correctly take care of the difference
between CZ and Tonga.
Harry how should we handle this? Either not set the bit on older
hardware or fix DC to just ignore it there?
To be honest I would prefer not to set a bit at all and just always
program the relevant bits on hardware which supports this.
Regards,
Christian.
Am 27.10.2017 um 13:25 schrieb Tom St Denis:
The following commit:
[root@fx6 linux]# git bisect good
aa7187c5c640559ebc02caa0191c0db46b55b4a6 is the first bad commit
commit aa7187c5c640559ebc02caa0191c0db46b55b4a6
Author: Christian König <[email protected]>
Date: Thu Oct 26 12:00:36 2017 +0200
drm/amd/display: enable GPU VM support
Just set the bit so that DC does the hardware programming.
Signed-off-by: Christian König <[email protected]>
Reviewed-by: Andrey Grodzovsky <[email protected]>
:040000 040000 c6d725acce6507b6d9381667d828e8e0d4683af7
2dfcfab32ef3e7d24a31eb420dd1186cf973cd7d M drivers
Results in the (attached) dmesg logs on my Tonga system.
Cheers,
Tom
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