Hi, On Fri, Nov 18, 2016 at 4:43 PM, Felix Held <[email protected]> wrote:
> Hi! > > > BIOS: 11W Coreboot: 19W [...] >> > Can you also measure the power consumption with the GPU enabled under the > vendor firmware? > > and no, the NVidia GPU was not enabled in corebooy. Both results were on >> integrated GPU only >> > Have you only disabled the nVidia GPU in devicetree.cb (that will only > disable the PCIe interface on the CPU side) or have you also disabled the > GPU power supply via the GFXCORE_ON_D signal? Since that signal is driven > by the power management companion chip (Thinker-1), you probably have to > talk to the EC to do that. > I don't know if Charlotte has added the ID of the dGPU to src/drivers/lenovo/hybrid_graphics.c. Does the dGPU consume power after hybrid_graphics.c disable the dGPU? Regards > Felix > > -- > coreboot mailing list: [email protected] > https://www.coreboot.org/mailman/listinfo/coreboot > Regards, Iru -- Please do not send me Microsoft Office/Apple iWork documents. Send OpenDocument instead! http://fsf.org/campaigns/opendocument/
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