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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