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Date:      Fri, 18 Sep 2015 15:29:43 +0200
From:      Stefan Wendler <stefan.wendler@tngtech.com>
To:        Nikola Pajkovsky <n.pajkovsky@gmail.com>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Intel Haswell support - Any updates?
Message-ID:  <8538410.BAyuGgpz8H@hactar>
In-Reply-To: <87a8sk205y.fsf@gooddata.com>
References:  <55FA7324.5010603@icloud.com> <11271727.FrCOrXGY1l@hactar> <87a8sk205y.fsf@gooddata.com>

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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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