Re: [PATCH 17/17] drm/cirrus: Use VGA macro constants to unblank

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Feb 16, 2023 at 01:03:02PM +0100, Thomas Zimmermann wrote:
> Hi,
> 
> thanks for taking a look at the patches.
> 
> Am 16.02.23 um 12:33 schrieb Gerd Hoffmann:
> > On Wed, Feb 15, 2023 at 05:15:17PM +0100, Thomas Zimmermann wrote:
> > > Set the VGA bit for unblanking with macro constants instead of magic
> > > values. No functional changes.
> > 
> > blank/unblank should work simliar to bochs (see commit 250e743915d4),
> > that is maybe a nice thing to add of you modernize the driver anyway.
> Yeah, it's the VGA PAS field. [1] But is it really called blanking? PAS
> controls palette access, but blanking is sounds more like DPMS.

Yes, strictly speaking it is not the same thing. DPMS blank will send
the monitor into suspend mode which this does not.  On virtual hardware
there isn't much of a difference though ;)

take care,
  Gerd

_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization



[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux