From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub Date: Sun, 28 Jul 2013 20:14:35 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1155752436==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 522CAE7ADF for ; Sun, 28 Jul 2013 13:14:35 -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 --===============1155752436== Content-Type: multipart/alternative; boundary="1375042475.eC4F44.10736"; charset="us-ascii" --1375042475.eC4F44.10736 Date: Sun, 28 Jul 2013 20:14:35 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=66963 --- Comment #22 from Alex Deucher --- (In reply to comment #21) > Here is '/sys/kernel/debug/dri/0/radeon_pm_info' output I get: > > 1. with dpm=1 > uvd vclk: 0 dclk: 0 > power level 1 sclk: 30000 mclk: 40500 vddc: 900 > > 2. without dpm=1 > default engine clock: 500000 kHz > current engine clock: 499500 kHz > default memory clock: 500000 kHz > current memory clock: 495000 kHz > voltage: 1000 mV > PCIE lanes: 16 > > The output format differs, but if clocks values dimensions are the same, > then it is about 10 times less the in (2) The driver uses 10khz units internally. Without dpm the output adds the extra 0. 30000 = 300 Mhz -- You are receiving this mail because: You are the assignee for the bug. --1375042475.eC4F44.10736 Date: Sun, 28 Jul 2013 20:14:35 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 22 on bug 66963 from 
(In reply to comment #21)
> Here is '/sys/kernel/debug/dri/0/radeon_pm_info' output I get:
> 
> 1. with dpm=1
>     uvd    vclk: 0 dclk: 0
>     power level 1    sclk: 30000 mclk: 40500 vddc: 900
> 
> 2. without dpm=1
>     default engine clock: 500000 kHz
>     current engine clock: 499500 kHz
>     default memory clock: 500000 kHz
>     current memory clock: 495000 kHz
>     voltage: 1000 mV
>     PCIE lanes: 16
> 
> The output format differs, but if clocks values dimensions are the same,
> then it is about 10 times less the in (2)

The driver uses 10khz units internally.  Without dpm the output adds the extra
0.

30000 = 300 Mhz

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