Re: [Regression] [Radeon] Stream command failures and render problemsin Evergreen (Radeon HD 5600) in kernel 3.4

From: Brian Gitonga Marete
Date: Thu Jun 07 2012 - 17:56:42 EST


On Fri, Jun 8, 2012 at 12:44 AM, Brian Gitonga Marete
<marete@xxxxxxxxxxx> wrote:
> On Thu, Jun 7, 2012 at 11:20 PM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote:
>> On Thu, Jun 7, 2012 at 3:59 PM, Brian Gitonga Marete <marete@xxxxxxxxxxx> wrote:
>>> On Thu, Jun 7, 2012 at 5:25 PM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote:
>>>>
>>>> Update your libdrm to libdrm from git should fix your issue.
>>>
>>> Hello Jerome,
>>>
>>> Thanks for looking into this.
>>>
>>> I am afraid that even with the very latest libdrm (git 93a5117d), the
>>> rendering is still broken.
>>>
>>> What else should I try? I would revert the patch that git-bisect
>>> fingered (your patch, git 285484e2d, Linux mainline) but there are
>>> merge problems when I try to do that, which I have not yet looked
>>> into. Perhaps you can see if you can help me revert that patch so that
>>> we can see if the problem then goes away?
>>>
>> What happen if you upgrade to xf86-video-ati from git ?
>
> Hello Jerome,
>
> Once again, thanks a lot for your help.
>
> Some progress but also a setback: Upgrading to the latest
> xf86-video-ati git gets rid of the stream command failures - No more
> error messages in dmesg(8). But then, now, rendering is completely
> messed up. Previously, it was mostly the window boundaries that were
> blurred/messed but now also entire windows and text so that you can't
> read anything from the desktop. (For example, the previous render
> problems would still allow me to use gnome-terminal even though its
> frames were completely blurred. Now the text withing gnome-terminal is
> also blurred/smudged)
>

I should add that in this case rendering is completely messed up in
_both_ 3.3.x and 3.4. But the stream command failures in 3.4 go away
upon upgrading to the latext xf86-video-ati git HEAD.

Thanks.
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