From: Keir Fraser <keir@xensource.com>
To: "Tian, Kevin" <kevin.tian@intel.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: [PATCH 0/4] rest of xen host s3 patches
Date: Thu, 19 Jul 2007 11:07:00 +0100 [thread overview]
Message-ID: <C2C4F654.12B7B%keir@xensource.com> (raw)
In-Reply-To: <D470B4E54465E3469E2ABBC5AFAC390F013B1FFF@pdsmsx412.ccr.corp.intel.com>
On 19/7/07 11:01, "Tian, Kevin" <kevin.tian@intel.com> wrote:
> One comment from you is held, that acpi sleep option
> (s3_bios/s3_mode) is still required to be passed from dom0, since
> VGA has been given to dom0 only which knows the VGA mode before
> sleep.
But Xen set the mode in the first place. If dom0 changed it subsequently, by
means unknown to Xen, then dom0 can re-set that mode on wakeup. The most you
should need at the Xen interface is a 'don't-touch-video-state' boolean
flag. What if dom0 has installed a gfx driver that bashes the hardware
directly?
-- Keir
next prev parent reply other threads:[~2007-07-19 10:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-19 10:01 [PATCH 0/4] rest of xen host s3 patches Tian, Kevin
2007-07-19 10:07 ` Keir Fraser [this message]
2007-07-19 10:29 ` Tian, Kevin
2007-07-19 10:32 ` Keir Fraser
2007-07-19 10:47 ` Alan Cox
2007-07-19 11:07 ` Keir Fraser
2007-07-19 13:08 ` Tian, Kevin
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