Re: [Intel-gfx] i915: Regression: +4W in idle power use on Macbook Pro 15 (late 2013)

Hi, On Tuesday 26 August 2014 16:00:51, Eric Rannaud wrote： > On Tue, Aug 26, 2014 at 1:59 PM, Daniel Vetter wrote: > >> Forcing FBC with i915.enable_fbc=1 brings the idle power consumption > >> back to under 7W, however. > >> This is all on 3.15.4-ARCH-00041-gf4db98240ac2. > > > > Any signific

[Intel-gfx] Help to enable Iris Pro on Retina MBP 11.3

Hi guys, I just got a Retina MBP with Iris Pro and Nvidia GT 750. The iGPU works in OSX(Mavericks), but when I boot into Linux, the device was disabled. I debugged the kernel a little, apparently when pci_bus_read_dev_vendor_id is called for PCI 00:2.0 (the intel gpu), it returns -1 which indic

[Intel-gfx] Need help debuging Iris Pro on Retina MBP 11.3

Hi guys, I just got a Retina MBP with Iris Pro and Nvidia GT 750. The IGD works in OSX(Mavericks), but when I boot into Linux, the device dose not show up in lspci. I debugged the kernel a little, apparently when pci_bus_read_dev_vendor_id is called for PCI 00:2.0 (the intel gpu), it returns 0