Am 24.10.2017 um 21:44 schrieb Bjorn Helgaas: > On Wed, Oct 18, 2017 at 03:58:16PM +0200, Christian König wrote: >> Hi everyone, >> >> This is the ninth and hopefully last incarnation of this set of patches. It >> enables device drivers to resize and most likely also relocate the PCI BAR of >> devices they manage to allow the CPU to access all of the device local memory >> at once. >> >> This is very useful for GFX device drivers where the default PCI BAR is only >> about 256MB in size for compatibility reasons, but the device easily have >> multiple gigabyte of local memory. >> >> Some changes since the last version: >> 1. Rebased on drm-next, so should be ready to be merged for 4.15. >> 2. The fixup of the 64bit root window on AMD Family 15h CPUs/APUs is only >> enabled when we compile a kernel supporting that hw. >> 3. Some minor error handling improvements for the amdgpu side. We now >> gracefully abort driver loading in case of a critical error instead of >> calling BUG(). >> >> Bjorn any more comments or can we finally get this into 4.15? I will remove the >> version tags from the patches when I send you a pull request if you want this. >> >> I only work on this as a background task, so sorry for the ~3 month delay >> between each version of the patchset. > I put these (except for the last) on pci/resource for v4.15. I'd be > happy to merge the last as well if you like. My tree does not include > drm-next, so there would be a minor conflict when merging upstream. Thanks Bjorn, that is great to hear. I will sync up with Alex and Dave how to merge the last patch. Christian. > > Bjorn
