From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 22576] [KMS] mesa demo spectex broken on rv280
Date: Tue, 20 Apr 2010 07:11:42 -0700 (PDT)
Message-ID: <20100420141142.ADE42130011@annarchy.freedesktop.org>
References:
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path:
Received: from annarchy.freedesktop.org (annarchy.freedesktop.org
[131.252.210.176])
by gabe.freedesktop.org (Postfix) with ESMTP id D66529EEF9
for ;
Tue, 20 Apr 2010 07:11:42 -0700 (PDT)
In-Reply-To:
List-Unsubscribe: ,
List-Archive:
List-Post:
List-Help:
List-Subscribe: ,
Sender: dri-devel-bounces@lists.freedesktop.org
Errors-To: dri-devel-bounces@lists.freedesktop.org
To: dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org
https://bugs.freedesktop.org/show_bug.cgi?id=22576
--- Comment #7 from Alex Deucher 2010-04-20 07:11:41 PDT ---
(In reply to comment #6)
> P.S.: bisecting kernel right now, hopefully will have bisect result today. But
> i'll also re-test with current 2.6.34-rc5 kernel (UMS mode) just in case.
> Can it be some wrong-initialized register on-card? I mean KMS code write bunch
> of regs, but at least one of them stuck/not responded to write, and UMS "fix"
> just unlock this reg ? Just possible scenario, i can be completely wrong here
> ...
It's probably a register that KMS is not setting. I suspect there is some
state that's not getting emitted under KMS that is under UMS. When you run
UMS, it sets the reg to the appropriate value, then things work under KMS.
--
Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.