From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 69721] Can't reach maximum memory speed (or core speed) when using dpm=1 on r600g on cards not sticking to reference board Date: Mon, 22 Sep 2014 16:19:23 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0389585240==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id E21FA6E1E1 for ; Mon, 22 Sep 2014 09:19:23 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0389585240== Content-Type: multipart/alternative; boundary="1411402763.5382E71.29009"; charset="us-ascii" --1411402763.5382E71.29009 Date: Mon, 22 Sep 2014 16:19:23 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=69721 --- Comment #4 from Alexandre Demers --- (In reply to comment #3) > Did you try again after fixing the vddci setup? To my knowledge, the memory speed is still limited to 1250 instead of reaching its maximum speed of 1300; the same thing goes for the core clock. I'll need to have a look at the code, but the last time I had a look, we were still calling btc_get_max_clock_from_voltage_dependency_table(), which was limiting the speed to the reference values. If I have time, I'll look at the code tonight and add some code to print values that would be limited by btc_get_max_clock_from_voltage_dependency_table(). Other than this limitation, I have mostly no problem with my Cayman GPU. -- You are receiving this mail because: You are the assignee for the bug. --1411402763.5382E71.29009 Date: Mon, 22 Sep 2014 16:19:23 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 4 on bug 69721 from
(In reply to comment #3)
> Did you try again after fixing the vddci setup?

To my knowledge, the memory speed is still limited to 1250 instead of reaching
its maximum speed of 1300; the same thing goes for the core clock. I'll need to
have a look at the code, but the last time I had a look, we were still calling
btc_get_max_clock_from_voltage_dependency_table(), which was limiting the speed
to the reference values.

If I have time, I'll look at the code tonight and add some code to print values
that would be limited by btc_get_max_clock_from_voltage_dependency_table().

Other than this limitation, I have mostly no problem with my Cayman GPU.


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