Messages in this thread | | | Date | Wed, 3 Feb 2010 15:24:43 +0100 | From | Stefan Seyfried <> | Subject | Re: [linux-pm] [PATCH] PM / i915: Skip kernel VT switch during suspend/resume if KMS is used |
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On Sun, 31 Jan 2010 09:54:19 +0100 Pavel Machek <pavel@ucw.cz> wrote:
> On Thu 2010-01-28 00:07:51, Stefan Seyfried wrote: > > Hi, > > > > On Tue, 26 Jan 2010 15:58:43 +0100 Pavel Machek <pavel@ucw.cz> wrote: > > > We need vt switch when display is controlled by userland app directly > > > accessing hw. It may or may not be X (svgalib anyone?, > > > gtk-on-framebuffer? qtopia?). > > > > anything-on-framebuffer should not be different from plain framebuffer > > console, or am I missing something? > > It is. At least svgalib accesses hw directly. It probably can run even > on framebuffer.
If it accesses hw directly, it's not really "anything-on-framebuffer" anymore, is it? The framebuffer device is there to abstract the hardware.
> Well, for now the "shadow buffer" contains only text, not graphics > images. So you'd need to enlarge it a lot. Doable but more than one liner.
Yes, noticed this today. I was using bootsplash-patched kernels, which are obviously different in this aspect, so that shifted my view on reality ;) -- Stefan Seyfried
"Any ideas, John?" "Well, surrounding them's out."
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