https://bugs.freedesktop.org/show_bug.cgi?id=89241
Bug ID: 89241
Summary: A8-6410 APU with integrated R5 Mullins + dedicated R5
M240 Hainan graphics switching not working
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
Assignee: dri-devel at lists.freedesktop.org
Reporter: linux5 at secure-mail.biz
Switching graphics between the A8-6410 APU with integrated R5 Mullins +
dedicated R5 M240 Hainan is not working(HP 355 G2 notebook). I think it's
because the dedicated gpu for some reason can just not be activated, because
"/sys/kernel/debug/vgaswitcheroo/switch" and the Radeon Profile tool show two
gpus, but changing the gpu state from "off" to something else within Radeon
Profile doesn't work for the dedicated one.
I tried the gearsongallium livecd with very recent drivers/Xorg/etc.
Versions included in the gearsongallium livedvd i tested:
Mesa-git â 10.5_git2015.02.04
Kernel â 3.19-rc6
libdrm â 2.4.99_git2015.01.22
Mesa-demos â 9.1.0_git2014.07.06
xorg-server â 1.16.99.9
xf86-video-ati â 7.99.99_2015.01.15
I also tried in Kubuntu 14.10 to switch with DRI_PRIME=1. If i do that i get
corrupt window and lower fps than with integrated gpu with es2gears. However
"DRI_PRIME=1 glxinfo" says it's using the dedicated gpu.
In gearsongallium i get the same output with or without "DRI_PRIME=1 glxinfo"
so it seems to not switch at all with recent drivers/Xorg/etc.
I can also post Xorg log and dmesg output, but i couldn't spot anything unusual
there looking quickly through it. However "dmesg|grep -i vga" might be
important:
$ dmesg |grep -i vga
[ 1.069056] vgaarb: setting as boot device: PCI:0000:00:01.0
[ 1.069061] vgaarb: device added:
PCI:0000:00:01.0,decodes=io+mem,owns=io+mem,locks=none
[ 1.069077] vgaarb: loaded
[ 1.069080] vgaarb: bridge control possible 0000:00:01.0
[ 1.763179] fb0: EFI VGA frame buffer device
[ 2.029145] ACPI: Video Device [VGA] (multi-head: yes rom: no post: no)
[ 2.115398] VGA switcheroo: detected switching method \_SB_.PCI0.VGA_.ATPX
handle
[ 2.191102] ACPI: Video Device [VGA1] (multi-head: yes rom: no post: no)
[ 2.255714] fb: switching to radeondrmfb from EFI VGA
[ 2.440405] [drm] VGA-1
[ 2.527423] vga_switcheroo: enabled
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