[Bug 66651] New: RV730: Screen flicker with radeon.pdm=1

[Bug 66651] New: RV730: Screen flicker with radeon.pdm=1

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66651

          Priority: medium
            Bug ID: 66651
          Assignee: dri-devel@lists.freedesktop.org
           Summary: RV730: Screen flicker with radeon.pdm=1
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: tball@io.dk
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Created attachment 82126
  --> https://bugs.freedesktop.org/attachment.cgi?id=82126&action=edit
Dmesg

Hello

I am testing the new dpm code on my RV730 card:
$ lspci -v
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
RV730/M96 [Mobility Radeon HD 4650/5165] (prog-if 00 [VGA controller])
    Subsystem: COMPAL Electronics Inc Device 003e
    Flags: bus master, fast devsel, latency 0, IRQ 50
    Memory at d0000000 (32-bit, prefetchable) [size=256M]
    I/O ports at 2000 [size=256]
    Memory at cfef0000 (32-bit, non-prefetchable) [size=64K]
    [virtual] Expansion ROM at cfe00000 [disabled] [size=128K]
    Capabilities: <access denied>
    Kernel driver in use: radeon

The screen constantly flickers, everytime I interact with the computer like
moving the mouse og touching the keyboard. If I don't interact the computer,
the flickering is alot less. If I boot without radeon.dpm=1, the flicker
dissapears.

The flickering is best descripted as if the screen is jumping up and down very
fast.

Using the latest ucode for my card:
- R700_rlc.bin
- RV730_smc.bin
- RV730_pfp.bin

Using Xorg edgers in Ubuntu 13.04.

Using Ubuntu drm-next kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-next/2013-07-04-saucy/
Git: 69163ea82732894e8c1e17df4010372ed078efdd

Attached dmesg, but there is no errors to be seen.

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[Bug 66651] RV730: Screen flicker with radeon.pdm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=66651

--- Comment #1 from Nicolas G. Querol <nicolas.gquerol@gmail.com> ---
Created attachment 82151
  --> https://bugs.freedesktop.org/attachment.cgi?id=82151&action=edit
dmesg

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[Bug 66651] RV730: Screen flicker with radeon.pdm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=66651

--- Comment #2 from Nicolas G. Querol <nicolas.gquerol@gmail.com> ---
I have the exact same problem, with the following (mobile) GPU:

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RV730/M96-XT [Mobility Radeon HD 4670] (prog-if 00 [VGA controller])
    Subsystem: Dell Device 0272
    Flags: bus master, fast devsel, latency 0, IRQ 45
    Memory at d0000000 (32-bit, prefetchable) [size=256M]
    I/O ports at 2000 [size=256]
    Memory at cfef0000 (32-bit, non-prefetchable) [size=64K]
    [virtual] Expansion ROM at cfe00000 [disabled] [size=128K]
    Capabilities: <access denied>
    Kernel driver in use: radeon
    Kernel modules: radeon

I am using the latest 3.10 kernel, compiled with the latest patches from here:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.11.
And also the latest firmware available.

I attached the output of "dmesg | grep radeon" on my machine.

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[Bug 66651] RV730: Screen flicker with radeon.dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=66651

Nicolas G. Querol <nicolas.gquerol@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|RV730: Screen flicker with  |RV730: Screen flicker with
                   |radeon.pdm=1                |radeon.dpm=1

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[Bug 66651] RV730: Screen flicker with radeon.dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=66651

--- Comment #3 from Alex Deucher <agd5f@yahoo.com> ---
Should be fixed with this commit:
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-3.11&id=222dc9a072e27b5069a7c03738e360eafdc2fdf5

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[Bug 66651] RV730: Screen flicker with radeon.dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=66651

--- Comment #4 from Nicolas G. Querol <nicolas.gquerol@gmail.com> ---
I can confirm that solved the problem on my side. Thank you very much!

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[Bug 66651] RV730: Screen flicker with radeon.dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=66651

Christian König <deathsimple@vodafone.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Christian König <deathsimple@vodafone.de> ---
Sounds like we can close this bug.

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[Bug 66651] RV730: Screen flicker with radeon.dpm=1

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https://bugs.freedesktop.org/show_bug.cgi?id=66651

--- Comment #6 from Thomas <tball@io.dk> ---
It works!
Thanks so much for a fast response.

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