search for: mxds

Hi guys and gals, I'm working on improving nouveau's support for MXM (Mobile PCI Express Module) chips and need some more data to check my implementation. To see if you can help, the first thing to do is jump over to /sys/firmware/acpi/tables and run "grep MXMS *". [root at nisroch tables]# grep MXMS * Binary file DSDT matches [root at nisroch tables]# If this isn't

On 27 May 2016 at 22:31, Peter Wu <peter at lekensteyn.nl> wrote: > On Fri, May 27, 2016 at 02:01:39PM +0100, Emil Velikov wrote: >> Hi Peter, >> >> On 24 May 2016 at 23:53, Peter Wu <peter at lekensteyn.nl> wrote: >> > Since "PCI: Add runtime PM support for PCIe ports", the parent PCIe port >> > can be runtime-suspended which disables

...t that could be a configuration issue that disabled Optimus in BIOS (unconfirmed). If it matters, both of these laptops have a MXMX method (Select Display Data Channel), but their MXMI (Return Specification Support Level) and MXMS (Return MXM Structure) functions are disfunctional. There is also a MXDS function on both ACPI handles, but these are not hooked to the WMI interface for some reason. No idea of Acer has hacked up some drivers to work with this, outside these models I do not know others that are also affected by this issue. > > The previous detection method would fail in this sce...