[Bug 71689] Tahiti LE support

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71689

--- Comment #13 from Brandon Shirley <bshirley at gmail.com> ---
Hi,

I am having the same problem as Adam.  I have a Sapphire HD 7870.
lspci identifies this card as:
 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Tahiti LE
[Radeon HD 7870 XT]
I am using Arch linux as my distro.

I have never been able to get the open source radeon driver to work with this
card.  After boot I am presented with a black screen, and after a few seconds
my monitor turns off.  A few seconds later I can hear the fans on the video
card speed up a little bit.  If I use the sysrequest function to SIGTERM all
processes, I am then presented with the lightdm login screen and X seems to
work, but the Xorg log says that acceleration is disabled.
This black screen happens with 10.6.5-1 and with mesa compiled from git
(11.1.0_devel.72584.bd6e516-1-x86_64).

This card does work with catalyst driver.

I am attaching a dmesg log and Xorg.0.log.

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