From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Peres Subject: Re: [PATCH envytools] demmio: Add decoding of some MEM_TIMINGS registers for NVC0. Date: Tue, 26 Aug 2014 00:30:27 +0200 Message-ID: <53FBB903.7060900@free.fr> References: <1408993096-18883-1-git-send-email-titan.costa@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1408993096-18883-1-git-send-email-titan.costa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org On 25/08/2014 20:58, Christian Costa wrote: > --- > rnndb/memory/nvc0_pbfb.xml | 37 ++++++++++++++++++++++++++++++++++--- > 1 file changed, 34 insertions(+), 3 deletions(-) > > diff --git a/rnndb/memory/nvc0_pbfb.xml b/rnndb/memory/nvc0_pbfb.xml > index 500cea9..e006dbe 100644 > --- a/rnndb/memory/nvc0_pbfb.xml > +++ b/rnndb/memory/nvc0_pbfb.xml > @@ -49,23 +49,54 @@ > Most bitfields are unknown. > > > - RAS# precharge. > + RAS# Precharge. > > > - Activate to precharge delay. > + Activate to precharge delay. > > > Refresh to activate delay. > > > - Row cycle time. > + Row Cycle time. > + > + > + > + > + This, and the next 6 regs, are all related to memtimings. > + A good place to read might be http://www.tweakers.fr/timings.html . > + Most bitfields are unknown. > + > + > + Row Cycle time. > + > + > + Refresh to activate delay. > + > + > + Activate to precharge delay. > + > + > + RAS# to CAS# Delay. > > > > > + > + Row Cycle time. > + > + > + CAS# Write Latency. > + > > > > + > + Write To Read delay. > + > + > + Write Recovery time. > + > > > Thanks for the patch but where did you get this knowledge? By comparing with nv50 and the vbios table?