From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 68235] Display freezes after login with kernel 3.11.0-rc5 on Cayman with dpm=1 Date: Wed, 11 Sep 2013 01:46:35 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0014348989==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id C371BE5BF3 for ; Tue, 10 Sep 2013 18:46:35 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0014348989== Content-Type: multipart/alternative; boundary="1378863995.0f7EcE880.13907"; charset="us-ascii" --1378863995.0f7EcE880.13907 Date: Wed, 11 Sep 2013 01:46:35 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=68235 --- Comment #19 from Alexandre Demers --- (In reply to comment #16) > (In reply to comment #14) > > Created attachment 85578 [details] [review] [review] > > disable various dpm features > > > > I would suggest disabling various dpm features and see if you can narrow > > down which, if any, help. This patch disables just about everything. > > > > ni_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO) is what > > actually sets the dynamic performance switching into motion. Prior to that > > the hw is locked into the low performance level. I sounds like there is > > some bad parameter that is causing a lock up when the smc enables state > > switching. > > > > Separate from the patch can you also try changing the > > ni_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO) call in > > ni_dpm_set_power_state() to low (RADEON_DPM_FORCED_LEVEL_LOW) or high > > (RADEON_DPM_FORCED_LEVEL_HIGH) rather than auto? See if you still get a > > lock up. > > I'll try it later today. I had time for now to play with forcing RADEON_DPM_FORCED_LEVEL_LOW and RADEON_DPM_FORCED_LEVEL_HIGH. The first one works fine, the second triggers the problem. I'm about to play with the suggested patch. -- You are receiving this mail because: You are the assignee for the bug. --1378863995.0f7EcE880.13907 Date: Wed, 11 Sep 2013 01:46:35 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 19 on bug 68235 from 
(In reply to comment #16)
> (In reply to comment #14)
> > Created attachment 85578 [details] [review] [review] [review]
> > disable various dpm features
> > 
> > I would suggest disabling various dpm features and see if you can narrow
> > down which, if any, help.  This patch disables just about everything.
> > 
> > ni_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO) is what
> > actually sets the dynamic performance switching into motion.  Prior to that
> > the hw is locked into the low performance level.  I sounds like there is
> > some bad parameter that is causing a lock up when the smc enables state
> > switching.
> > 
> > Separate from the patch can you also try changing the
> > ni_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO) call in
> > ni_dpm_set_power_state() to low (RADEON_DPM_FORCED_LEVEL_LOW) or high
> > (RADEON_DPM_FORCED_LEVEL_HIGH) rather than auto?  See if you still get a
> > lock up.
> 
> I'll try it later today.

I had time for now to play with forcing RADEON_DPM_FORCED_LEVEL_LOW and
RADEON_DPM_FORCED_LEVEL_HIGH. The first one works fine, the second triggers the
problem.

I'm about to play with the suggested patch.

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  • You are the assignee for the bug.
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