Re: [PATCH] apple-gmux: Restore switch registers on suspend/resume

From: David Woodhouse
Date: Wed Aug 01 2012 - 11:36:17 EST


On Tue, 2012-07-31 at 10:18 -0500, Seth Forshee wrote:
>
> All of this is working to the extent that I can boot with the Radeon
> card active, switch over to the Intel card, and get the EDID for the
> internal panel and an external monitor (although oddly on an HDMI
> connector, no on the DP like I expected). Both screens are remaining
> blank though. However I'm also getting blank screens if I mux over to
> the Intel GPU from grub before loading the kernel, which used to work
> for the LVDS panel at least.

Hm, when I was changing over to the external screen before boot, I could
get the LVDS working but *not* an external VGA or DVI monitor (via the
standard Apple adaptors). Should I expect that to work if I change the
mux 'properly' at runtime?

--
dwmw2

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