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: Tue, 10 Sep 2013 19:55:00 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0874667761==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 36EB5E607A for ; Tue, 10 Sep 2013 12:55:00 -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 --===============0874667761== Content-Type: multipart/alternative; boundary="1378842900.652aa0.22126"; charset="us-ascii" --1378842900.652aa0.22126 Date: Tue, 10 Sep 2013 19:55:00 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=68235 --- Comment #16 from Alexandre Demers --- (In reply to comment #14) > Created attachment 85578 [details] [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. -- You are receiving this mail because: You are the assignee for the bug. --1378842900.652aa0.22126 Date: Tue, 10 Sep 2013 19:55:00 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 16 on bug 68235 from 
(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.

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