From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 52256] New: KMS doesn't work with radeon HD 7520G
Date: Thu, 19 Jul 2012 15:36:02 +0000
Message-ID: <bug-52256-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=52256

             Bug #: 52256
           Summary: KMS doesn't work with radeon HD 7520G
    Classification: Unclassified
           Product: DRI
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: lrn1986@gmail.com


Created attachment 64375
  --> https://bugs.freedesktop.org/attachment.cgi?id=64375
syslog (the result of modeprobe -v radeon modeset=1)

3.4.4 boots into black screen (backlight is off).
Boots fine with radeon.modeset=0 (with appropriate lack of 3D acceleration).
Boots fine with radeon being blacklisted (same as above).
amd64 microcode is installed. Installed ARUBA_* firmware manually (not packaged
for Debian yet).
Compiled fresh libdrm, mesa and xf86-video-ati from git (installed into
/usr/xorg, added that directory to modulepath in xorg.conf, added /usr/xorg/lib
to /etc/ld.so.conf.d/a-local-xorg.conf
ssh'ed into my laptop, issued sudo modprobe -v drm debug=1 && sudo modprobe -v
radeon modeset=1
Black screen all over again :(

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