On Saturday, November 22, 2008 4:22 am Marten van Kerkwijk wrote:
> This is to confirm the suspend problems that Karl had on a Dell
> Latitude X200.  Even under 2.6.26 (debian testing) it needs the quirks
> - --quirk-vbe-post --quirk-vbemode-restore, which are now filtered out.

On pre-855 chips, I think you'll still need to POST in order to suspend 
properly.  This is because 830 chips use DVO attached DACs to drive LVDS and 
other outputs, which the kernel does not yet save/restore properly (this will 
change once DRM based mode setting is merged).

> Jesse asking for a dump of the video rom.
>
> Since this list was likely not read by Karl, I doubt the dump ever
> arrived.  So, I retrieved it on my machine, and loaded it at
>
> http://www.astro.utoronto.ca/~mhvk/rom.bin
>
> (happy to send this as an attachment, if needed).

Great, thanks.  I'll pull it down and add it to my collection.  I definitely 
need more 830 class ROMs to finish the DRM based mode setting bits (even the 
current xf86-video-intel doesn't get the info it needs about DVO connections 
to work everywhere).

> Another curious -- possibly completely unrelated -- thing is that the
> brightness controls normally pop up a little icon in the upper left
> with a "pie chart" showing the current level.  This does not work once
> agpgart is enabled (one sees something garbled).  I've always wondered
> if that image is just written somewhere in main memory, perhaps
> overwriting something important, and whether this could explain the
> random, non-reproduceable crashes I get after changing brightness
> after a suspend-to-ram.
>
> Please ask if you need more details,

Hm this sounds like it may be a separate bug.  You should probably file it at 
bugs.freedesktop.org under xf86-video-intel.

-- 
Jesse Barnes, Intel Open Source Technology Center




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