From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeroen Diederen Subject: Re: nouveau on G5 Macs Date: Mon, 22 Jun 2020 20:37:15 +0200 Message-ID: <8cf5fa45b921501797e1d486b60aebb4@zonnet.nl> References: <45fa1029cf5f0610e4a3e1d65bb26b32@zonnet.nl> <6791f595dde33af22ef22165bcc643da@zonnet.nl> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: Ilia Mirkin Cc: nouveau List-Id: nouveau.vger.kernel.org Thanks. How do I find out what is used as compositor? I am using LXDE. Ilia Mirkin schreef op 2020-06-22 20:18: > OK. That's not tearing. That's like a bad pitch on an image. > (Presumably you only find the second image, IMG_1968.jpg, > problematic?) > > I'm guessing you're using a GL-based compositor, which I fully expect > to work poorly. Please try a non-compositing or XRender-based > compositing environment. > > Cheers, > > -ilia > > On Mon, Jun 22, 2020 at 2:15 PM Jeroen Diederen > wrote: >> >> This is with 64k page size. >> >> >> >> Ilia Mirkin schreef op 2020-06-22 19:27: >> > I suspect screen tearing (as it's usually defined) is to be expected. >> > Can you take a photo of what you're seeing, since I'm suspecting it's >> > more than regular screen tearing? >> > >> > On Mon, Jun 22, 2020 at 12:08 PM Jeroen Diederen >> > wrote: >> >> >> >> Hi Ilia, >> >> >> >> I experience screen tearing for both 64k and 4k page size. >> >> My iMac G5 has an nVidia Geforce FX 5200 Ultra GPU. >> >> >> >> Regards, >> >> Jeroen >> >> >> >> Ilia Mirkin schreef op 2020-06-22 17:25: >> >> > Which GPU do you have? The NV40 AGP board (GeForce 6800) works >> >> > particularly poorly. However as long as you go with 4k pages (and >> >> > there's no real benefit to 64k pages for most applications), basic >> >> > things should work. I wouldn't recommend using a GL-based compositor >> >> > though. >> >> > >> >> > Which distortion are you talking about? >> >> > >> >> > Cheers, >> >> > >> >> > -ilia >> >> > >> >> > On Mon, Jun 22, 2020 at 11:10 AM Jeroen Diederen >> >> > wrote: >> >> >> >> >> >> Hi all, >> >> >> >> >> >> I have been trying to solve nouveau issues on my iMac G5 for ages. As >> >> >> far as I can understand it, there is a problem with nouveau and page >> >> >> size mapping. I tried both 64K and 4K page size kernels and the the >> >> >> result is always distorted video. >> >> >> There is an old To-Do list, which says "fix the page size mapping >> >> >> problem on G5/64 bit for exposing fifo regs" on >> >> >> https://nouveau.freedesktop.org/wiki/ToDo/. >> >> >> >> >> >> Is there any chance that this bug will be fixed ? I am not a >> >> >> programmer, >> >> >> so I can't be of any help. >> >> >> >> >> >> Jeroen Diederen >> >> >> _______________________________________________ >> >> >> Nouveau mailing list >> >> >> Nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org >> >> >> https://lists.freedesktop.org/mailman/listinfo/nouveau