From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 76490] Hang during boot when DPM is on (R9 270X) Date: Tue, 01 Dec 2015 12:49:11 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0337588752==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 72FA072121 for ; Tue, 1 Dec 2015 04:49:11 -0800 (PST) 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 --===============0337588752== Content-Type: multipart/alternative; boundary="1448974151.C17e4.17870"; charset="UTF-8" --1448974151.C17e4.17870 Date: Tue, 1 Dec 2015 12:49:11 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=76490 --- Comment #74 from Maxim Sheviakov --- (In reply to Maxim Sheviakov from comment #73) > (In reply to Alex Deucher from comment #72) > > (In reply to Maxim Sheviakov from comment #71) > > > Hmm, nice point. By the way, is the MCLK kinda divided by four? So, if > > > Memory Clock is 5600MHz, I'll have to do 5600/4*10000 to get the correct > > > value? It's like, 120000 value = 1.2GHz*4 = Original frequency = 4800MHz, > > > right? If that's it, I'll fix my quirk (AGAIN, LOL) and try using 970MHz and > > > 5600MHz written as needed, 'cause my GPU is MSI R7 370 Armor 2X, and looks > > > like values in quirk are *kinda* low for it. > > > > The mclk values are the actual mclk values. GDDR5 is quad pumped so you get > > 4x effective data rate per clock. That might be what you are thinking of. > > Looks like I get it now. Today I'll try to play with those values and > experiment with MCLK values, maybe with GPU clock too; if it's good, I will > let everyone know. So right now I'm building a test kernel based on Linux Zen 4.3. Changed values in my line: from "{... 0, 120000}," to "{... 97000, 140000}", so that GPU clock is 970MHz and Memory clock is 1.4GHz aka 5.6GHz. Will let you all know if I succeed in that. -- You are receiving this mail because: You are the assignee for the bug. --1448974151.C17e4.17870 Date: Tue, 1 Dec 2015 12:49:11 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 74 on bug 76490 from 
(In reply to Maxim Sheviakov from comment #73)
> (In reply to Alex Deucher from comment #72)
> > (In reply to Maxim Sheviakov from comment #71)
> > > Hmm, nice point. By the way, is the MCLK kinda divided by four? So, if
> > > Memory Clock is 5600MHz, I'll have to do 5600/4*10000 to get the correct
> > > value? It's like, 120000 value = 1.2GHz*4 = Original frequency = 4800MHz,
> > > right? If that's it, I'll fix my quirk (AGAIN, LOL) and try using 970MHz and
> > > 5600MHz written as needed, 'cause my GPU is MSI R7 370 Armor 2X, and looks
> > > like values in quirk are *kinda* low for it.
> > 
> > The mclk values are the actual mclk values.  GDDR5 is quad pumped so you get
> > 4x effective data rate per clock.  That might be what you are thinking of.
> 
> Looks like I get it now. Today I'll try to play with those values and
> experiment with MCLK values, maybe with GPU clock too; if it's good, I will
> let everyone know.

So right now I'm building a test kernel based on Linux Zen 4.3. Changed values
in my line: from "{... 0, 120000}," to "{... 97000, 140000}", so that GPU clock
is 970MHz and Memory clock is 1.4GHz aka 5.6GHz. Will let you all know if I
succeed in that.

You are receiving this mail because:
  • You are the assignee for the bug.
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