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

[bugzilla-daemon at freedesktop.org]

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

          Priority: medium
            Bug ID: 66651
          Assignee: dri-devel at lists.freedesktop.org
           Summary: RV730: Screen flicker with radeon.pdm=1
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: tball at 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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