Intel Haswell support - Any updates?
Stefan Wendler
stefan.wendler at tngtech.com
Fri Sep 18 13:29:54 UTC 2015
On Thursday 17 September 2015 23:42:01 Nikola Pajkovsky wrote:
> Do not run those commands in X, otherwise it hangs.
>
> $ vidcontrol -i mode | grep 1920
> 383 (0x17f) 0x0000000f G 1920x1080x32 D 8x16 0xa0000 64k 64k 0xe0000000
> 8100k
>
> $ memcontrol list | grep 0xe0000000
> 0xe0000000/0x20000000 BIOS uncacheable set-by-firmware active
>
> $ memcontrol set -b 0xe0000000 -l 0x20000000 -o BIOS write-combine
> $ startx
Okay, so i didn't do anything wrong here.
$ vidcontrol -i mode | grep 1920
383 (0x17f) 0x0000000f G 1920x1080x32 D 8x16 0xa0000 64k 64k 0xe0000000
8100k
So this would be 0xc0000000 for me
$ memcontrol list | grep 0xc0000000
0xc0000000/0x40000000 BIOS uncacheable set-by-firmware active
$ memcontrol set -b 0xc0000000 -l 0x40000000 -o BIOS write-combined
$ memcontrol list | grep 0xc0000000
0xc0000000/0x40000000 BIOS write-combine active
... starting X. Nothing changed. I am testing this with youtube videos and it
is still only "refreshing" every couple of seconds
I am using the vesa driver and NOT uefi
Cheers,
Stefan
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