[Bug 89720] New: DRI PRIME offloading corrupts image in fullscreen with DRI3

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Mar 22 15:07:31 PDT 2015


            Bug ID: 89720
           Summary: DRI PRIME offloading corrupts image in fullscreen with
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: calcprogrammer1 at gmail.com
        QA Contact: xorg-team at lists.x.org

I have been running Oibaf's driver PPA and Sarnex's DRI3 testing PPA for the
past few months, mainly to be able to play Windows games on Wine with
Gallium-Nine support.

My system is an AMD A8-3870K APU (6550D integrated GPU) with a discrete Radeon
HD 5870 2GB card as well.  The display (a 1080p TV) is connected via VGA to the
integrated port on the motherboard.  I use the 5870 for gaming with

I had been using EXA acceleration, kernels 3.19 and 4.0, and MATE desktop with
no compositing just fine.  Offloading worked correctly for OpenGL and D3D9

With the recent changes to DRI3, I now am having graphical corruption when
using PRIME to offload a fullscreen window.  It only affects fullscreen
programs, windowed programs offload just fine.  I have tried both glamor and
exa acceleration methods but the issue persists on both.  Corruption takes the
form of blocky tiles which appear out of order and constant flickering.  If I
use the integrated GPU both windowed and fullscreen programs work just fine.

I will upload a short video of the issue to demonstrate it.

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