[Bug 117131] vga_switcheroo does not switch IGP -> DIS ( IGP == i915 , DIS == radeon )

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=117131

--- Comment #17 from Jason Vas Dias <jason.vas.dias at gmail.com> ---
OK, I tried appending modprobe.blacklist=radeon to the kernel command line -
that had no effect - the radeon module is built-in ; only using 
radeon.runpm=0 stops the ACPI error messages .

RE: > I'd suggest updating the intel xorg driver or trying a different kernel 
    > to get a different intel kernel driver.

The intel xorg driver is at its latest GIT version : 2.99.917 as is the 
X-Server : 1.18.3 . I have raised Freedesktop.org bug # 95140 :
https://bugs.freedesktop.org/show_bug.cgi?id=95140
about the failure of the latest version of the Xorg intel driver to work
with the latest version of the Xorg X-server .

What is the latest known version of Linux known to work with the 
Intel Integrated HD Graphics card ( PCI: 8086:0416 ) ?

Are you sure that card is capable of driving the display on its own on my
laptop?
I have never been able to get the display into graphics mode using any
other driver than FGLRX - all OS installers eg. anaconda / ARCH Linux 
also failed to even get it into VESA mode, forcing me to use the 
terminal dialog interface for configuration .
I don't like using FGLRX because it forces me to use a distro that is 100%
binary compatible with its OpenGL libraries 
and does not allow me to investigate OpenGL development with Mesa or to
build my own libraries or to use the latest Linux kernel .

It is a shame that it appears Linux has lost graphics capability 
in a large segment of the modern laptop market because of issues like this -
it always used to work fine up until @ 2010 .

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