[Bug 75234] New: UVD initialization fails while dGPU is powered on by DRI_PRIME

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75234

          Priority: medium
            Bug ID: 75234
          Assignee: dri-devel at lists.freedesktop.org
           Summary: UVD initialization fails while dGPU is powered on by
                    DRI_PRIME
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: rakothedin at gmail.com
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 94396
  --> https://bugs.freedesktop.org/attachment.cgi?id=94396&action=edit
dmesg

The discrete graphics in my laptop (Intel HD 4000 + Radeon 7750M) doesn't
initialize UVD successfully when it is powered on by DRI_PRIME.
Interestingly when the laptop is booted UVD is initialized.

My kernel is 3.14-rc3 from OpenSUSE head repository.
Userspace is from git.

Attached file is my dmesg. The errors at time 859.063821 correspond to the case
when I ran glxgears with DRI_PRIME.

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