On Wed, 2021-03-03 at 18:02 +0100, Uwe Sauter wrote: > Am 03.03.21 um 14:33 schrieb Ilia Mirkin: > > On Wed, Mar 3, 2021 at 8:25 AM Uwe Sauter <uwe.sauter.de@xxxxxxxxx> wrote: > > > > > > Am 03.03.21 um 14:12 schrieb Ilia Mirkin: > > > > On Wed, Mar 3, 2021 at 7:41 AM Alex Riesen > > > > <alexander.riesen@xxxxxxxxxxx> wrote: > > > > > > > > > > Ilia Mirkin, Sat, Feb 27, 2021 22:26:57 +0100: > > > > > > Can you try Alex's patch to modetest and confirm that you see issues > > > > > > with modetest? If so, can you (and maybe Alex as well) try an older > > > > > > kernel (I'm on 5.6) and see if modetest behaves well there. [The > > > > > > patch > > > > > > in question was to expose 256x256 as the 'preferred' size, but > > > > > > support > > > > > > for the larger cursors has been around for a while.] Alex - if you > > > > > > have time, same question to you. > > > > > > > > > > Sorry that it took so long. I retestet with the same kernel as Uwe did > > > > > (5.4.101) and my results are the same: modetest with 64 and 128 > > > > > cursors looks > > > > > good, 256 broken. Didn't test with X this time (this being my main > > > > > office > > > > > machine), but can do later if required. > > > > > > > > Thanks for confirming! No need to test X - that will work fine, since > > > > we were reporting the smaller cursors on that kernel. > > > > > > > > So I think we have definitive evidence that at least all Kepler > > > > doesn't do 256x256 (and it's not just some bug in the display macro > > > > rework that got introduced). And unless I'm blind and don't see the > > > > corruption, Pascal seems fine. Question remains for Maxwell1/2 GPUs. > > > > Unless someone has immediate plans to test on those, I'd recommend > > > > bumping the minimum for 256x256 being reported to Pascal, and doing > > > > 128x128 for Kepler / Maxwell. > > > > > > The only older model I have access to would be a 6600GT (NV43). Don't know > > > if this would have any > > > significance… > > > > Nope, we want newer :) Maxwell came after Kepler. GTX 750 for Maxwell > > 1, and GTX 9xx for Maxwell 2. (GM10x and GM20x). > > I managed to get access to two much newer cards, RTK 1070 and the like. > > Should I test these or is it not necessary? Nah, everything volta+ is a completely different ballgame. Anyway, I don't think we need more testing here anyhow, I just need to try what James Jones suggested and if that doesn't work, write up a patch to limit the cursor size until we figure out a proper solution for this. > > Regards, > > Uwe > > > > Cheers, > > > > -ilia > > > -- Sincerely, Lyude Paul (she/her) Software Engineer at Red Hat Note: I deal with a lot of emails and have a lot of bugs on my plate. If you've asked me a question, are waiting for a review/merge on a patch, etc. and I haven't responded in a while, please feel free to send me another email to check on my status. I don't bite! _______________________________________________ Nouveau mailing list Nouveau@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/nouveau
