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 04:26:26 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1640462124==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 1BA136E739 for ; Mon, 30 Nov 2015 20:26:27 -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 --===============1640462124== Content-Type: multipart/alternative; boundary="1448943987.3bfd3aCc4.11252"; charset="UTF-8" --1448943987.3bfd3aCc4.11252 Date: Tue, 1 Dec 2015 04:26:27 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=76490 --- Comment #73 from Maxim Sheviakov --- (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. -- You are receiving this mail because: You are the assignee for the bug. --1448943987.3bfd3aCc4.11252 Date: Tue, 1 Dec 2015 04:26:27 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 73 on bug 76490 from 
(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.

You are receiving this mail because:
  • You are the assignee for the bug.
--1448943987.3bfd3aCc4.11252-- --===============1640462124== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK --===============1640462124==--