Ilia Mirkin, Wed, Feb 24, 2021 16:10:57 +0100: > On Wed, Feb 24, 2021 at 4:09 AM Alex Riesen <alexander.riesen@xxxxxxxxxxx> wrote: > > Ilia Mirkin, Tue, Feb 23, 2021 19:13:59 +0100: > > > It might also be worthwhile just testing if the 256x256 cursor works > > > quite the way one would want. If you're interested, grab libdrm, > > > there's a test called 'modetest', which has an option to enable a > > > moving cursor (-c iirc). It's hard-coded to 64x64, so you'll have to > > > modify it there too (and probably change the pattern from plain gray > > > to any one of the other ones). > > > > I am interested, so I did. > > > > If I start the test without X running, the sprite of 256x256 cursor always > > contained horizontal lines across it, both with commit reverted and vanilla > > v5.11. Similarly, the 64x64 cursor has no lines across it in both kernels. > > > > The test does not seem to work at all if there is an X server running (using > > modesetting driver): modetest complained about permission denied to set the > > mode, and just sits there, drawing nothing on the displays. > > So I could not run the test in the environment of original problem. > > Am I starting it correctly? Is the change in modetest.c correct? > > Looks right. Although TBH I'd just start it on a single display (I > forgot you could even do multiple displays). You should be able to > start it with the X server running if you switch to a vt (and run it > as root). If you can't, that means the modesetting driver is > forgetting to do something in the LeaveVT function. Tried that and yes, modetest works. Even without running it as root. > The fact that you're getting lines with modetest means there's > something wrong with 256x256. What if you do 128x128 -- does that work > OK? Yes. Unfortunately in both cases. > Simon, you tested on a GK208, that has a slightly later display > controller than the GK104 -- can you try to reproduce Alex's results? > Perhaps there was a problem with the GK10x's and it starts working OK > with the GK110 disp. > > I don't have any GK10x's in my posession (I have nearly every other > iteration of the display controller), but hopefully someone on the > nouveau team will be able to dig one up and reproduce. > > Thanks for testing, Alex! You're welcome! As I'm stuck with this particular machine for foreseeable future, you can count on mine GK10x as well. _______________________________________________ Nouveau mailing list Nouveau@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/nouveau
