[Bug 90451] New: Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[Bug 90451] New: Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

            Bug ID: 90451
           Summary: Dedicated gpu on HP 355 G2 not working correctly
                    (slower than integrated+corrupt display in es2gears)
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.16
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: l55@anonymousspeech.com
        Regression: No

The HP 355 G2 has an integrated R5 Mullins and a dedicated Hainan GPU(R5 M240).
Only the integrated one seems to work correctly.

When running "DRI_PRIME=1 es2gears"(dedicated) i get corrupt image and lower
fps than with "es2gears"(integrated), while i think the dedicated should be way
better. These are the results on Ubuntu 14.10(kernel 3.16).

I also tried the Gears on Gallium livedvd (2014.12.25) with kernel 3.19-rc1 and
devel mesa/xorg/radeon drivers ( http://www.gearsongallium.com/?p=1668 ).
With Gears on Gallium the switchable graphics don't seem to work at all, it
seems to use the integrated gpu always, even with DRI_PRIME=1.

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[Bug 90451] Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Please attach your dmesg output and xorg log.  Note that due to limitations in
the current Linux core graphics stack support for hybrid laptops is very
sub-optimal.

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[Bug 90451] Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

l55@anonymousspeech.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |l55@anonymousspeech.com

--- Comment #2 from l55@anonymousspeech.com ---
Created attachment 162811
  --> https://bugzilla.kernel.org/attachment.cgi?id=162811&action=edit
Xorg log

Xorg log

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[Bug 90451] Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

--- Comment #3 from l55@anonymousspeech.com ---
Created attachment 162821
  --> https://bugzilla.kernel.org/attachment.cgi?id=162821&action=edit
dmesg output

I noticed that unigine tropics benchmark reports the same video memory for
running without DRI_PRIME=1 and with DRI_PRIME=1, so it seems it doesn't switch
gpus at all, although with DRI_PRIME=1 it takes longer to launch and display of
the benchmark window is corrupt. 

I also tried fglrx: Differences are:
- unigine reports 512MB gpu memory, with opensource driver it reports 256MB
- it reports that it's running on the dedicated gpu (aticonfig --pxl), but
unigine still reports 512MB(should be 2048)

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[Bug 90451] Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
GL does not provide a standard mechanism to query the amount of memory on the
GPU so in most cases apps just guess.  Most default to 256MB, but they
sometimes make guesses based on the GL vendor string.

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[Bug 90451] Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

--- Comment #5 from Michel Dänzer <michel@daenzer.net> ---
You can check which GPU is used with/out DRI_PRIME=1 with

 glxinfo | grep ' renderer'

Is there any chance you can try a current upstream version or even Git snapshot
of Mesa?

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[Bug 90451] Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

--- Comment #6 from l55@anonymousspeech.com ---
looks like basically it's switching:
$ glxinfo | grep ' renderer'
OpenGL renderer string: Gallium 0.4 on AMD MULLINS
$ DRI_PRIME=1 glxinfo | grep ' renderer'
OpenGL renderer string: Gallium 0.4 on AMD HAINAN

I tried enabling this repo but i can't install mesa, it says it can't find the
package, although it's listed on the ppa page:
https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers

The xserver-xorg-video-ati git snapshot from this repo made my system freeze
even more often.(Another issue i have which is probably related to ati driver i
reported here: Total system freeze:
https://bugzilla.kernel.org/show_bug.cgi?id=90981 . Maybe you could also take a
look at this?)

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[Bug 90451] Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

--- Comment #7 from l55@anonymousspeech.com ---
i installed kernel 3.18.2 and upgraded mesa and the other packages except for
libdrm-radeon1,xserver-xorg-video-ati,xserver-xorg-video-radeon from the
mentioned oibaf ppa.
Now DRI_PRIME=1 esgears displays fine, but fps are not higher than with
integrated(the same fps) and unigine tropics benchmark is still corrupted.

I tried to run a game with wine on the gears on gallium livedvd and the fps, if
i recall correctly, were lower on the dedicated gpu than with the integrated
but no corrupt display there(didn't test es2gears/tropics with it because
es2gears is not included(tropics benchmark may be included in phoronics test
suite, i'll check that) and the livedvd doesn't seem to have a package manager)

gears on gallium 2014.12.25 packages:
Mesa-git – 10.5_git2014.12.25
Kernel – 3.19-rc1
libdrm – 2.4.99_git2014.09.30
Mesa-demos – 9.1.0_git2014.07.06
xorg-server – 1.16.99.9
xf86-video-ati – 7.99.99_2014.12.20

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[Bug 90451] Dedicated gpu on HP 355 G2 not working correctly (slower than integrated+corrupt display in es2gears)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=90451

--- Comment #8 from l55@anonymousspeech.com ---
I tested with gears on gallium, there i can't even switch gpus:

$ xrandr --listproviders
Providers: number : 1
Provider 0: id: 0x54 cap: 0xf, Source Output, Sink Output, Source Offload, Sink
Offload crtcs: 2 outputs: 3 associated providers: 0 name:radeon

$ glxinfo | grep ' renderer'
ATTENTION: default value of option vblank_mode overridden by environment.
OpenGL renderer string: Gallium 0.4 on AMD MULLINS

$ DRI_PRIME=1 glxinfo | grep ' renderer'
ATTENTION: default value of option vblank_mode overridden by environment.
OpenGL renderer string: Gallium 0.4 on AMD MULLINS


However in vgaswitcheroo/switch there are still 2 gpus:

# cat /sys/kernel/debug/vgaswitcheroo/switch
0:IGD:+:Pwr:0000:00:01.0
1:DIS: :DynOff:0000:01:00.0

Has there been some change in how to switch between gpus and it's not done with
DRI_PRIME=1 anymore?

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