> Date: Fri, 16 Aug 2019 20:24:21 -0700 > From: Mike Larkin <[email protected]> > > On Fri, Aug 16, 2019 at 10:21:33PM +0200, Mark Kettenis wrote: > > The diff below provides a minimal implementation of some of the Linux > > ACPI iterfaces. Enough to allow us to compile the ACPI code for > > radeon(4) and amdgpu(4). With this diff the brightness keys on my HP > > laptop with: > > > > cpu0: AMD A4-4355M APU with Radeon(tm) HD Graphics, 1897.56 MHz, 15-10-01 > > ... > > radeondrm0 at pci0 dev 1 function 0 "ATI Radeon HD 7400G" rev 0x00 > > > > now work. I'd like to see some more tests, especially on laptops with > > amdgpu(4). Diff has some debug printing enabled. Feel free to share > > the dmesg output with me. > > > > On my HP 735G5, this does not enable the brightness controls, but it does not > seem to regress anything, either. dmesg contains the following: > > initializing kernel modesetting (RAVEN 0x1002:0x15DD 0x103C:0x83DA 0xD0). > [drm] ATCS version 1 > [drm] Found ATIF handle \\_SB_.PCI0.BUSA.GFX0.ATIF > [drm] ATIF version 1 > [drm] SYSTEM_PARAMS: mask = 0x106, flags = 0x107 > [drm] Notification enabled, command code = 0xd0 > amdgpu0: 1920x1080, 32bpp > wsdisplay0 at amdgpu0 mux 1: console (std, vt100 emulation), using wskbd0 > wsdisplay0: screen 1-5 added (std, vt100 emulation) > > xbacklight still reports: > > No outputs have backlight property
So nothing in dmesg as a result of using the brightness control keys? Can you send me acpudump, pcidump and dmesg for this machine?
