Re: dual screen: some operations are slow (nouveau driver)

On 2020-05-18 20:49:21 +0300, Andrei POPESCU wrote: > You should probably try the Nvidia proprietary driver. The solves the performance issue. But * With light-locker, I can't blank the screen with "xset dpms force off". Actually it gets blanked, but there's something that unblank it 6

Re: dual screen: some operations are slow (nouveau driver)

Something interesting: using a compositor (compton) with only one screen also makes moving windows rather slow (not as much as with 2 screens, though). -- Vincent Lefèvre - Web: 100% accessible validated (X)HTML - Blog: Work: CR INRIA -

Re: dual screen: some operations are slow (nouveau driver)

On 2020-05-18 20:49:21 +0300, Andrei POPESCU wrote: > On Lu, 18 mai 20, 19:11:04, Vincent Lefevre wrote: > > On 2020-05-18 19:53:11 +0300, Andrei POPESCU wrote: > > > On Lu, 18 mai 20, 15:57:05, Vincent Lefevre wrote: > > > > > > > > I use Debian/unstable with the nouveau driver and the

Re: dual screen: some operations are slow (nouveau driver)

On Lu, 18 mai 20, 19:11:04, Vincent Lefevre wrote: > On 2020-05-18 19:53:11 +0300, Andrei POPESCU wrote: > > On Lu, 18 mai 20, 15:57:05, Vincent Lefevre wrote: > > > > > > I use Debian/unstable with the nouveau driver and the 5.6.0-1-amd64 > > > kernel. Switching to the stable kernel does not

Re: dual screen: some operations are slow (nouveau driver)

On 2020-05-18 19:53:11 +0300, Andrei POPESCU wrote: > On Lu, 18 mai 20, 15:57:05, Vincent Lefevre wrote: > > > > I use Debian/unstable with the nouveau driver and the 5.6.0-1-amd64 > > kernel. Switching to the stable kernel does not seem to change > > anything. > > Hardware specs? HP ZBook 15

Re: dual screen: some operations are slow (nouveau driver)

On Lu, 18 mai 20, 15:57:05, Vincent Lefevre wrote: > > I use Debian/unstable with the nouveau driver and the 5.6.0-1-amd64 > kernel. Switching to the stable kernel does not seem to change > anything. Hardware specs? Kind regards, Andrei -- http://wiki.debian.org/FAQsFromDebianUser

Re: dual screen: some operations are slow (nouveau driver)

Some additional information... When I change the configuration to xrandr --output DP-3 --auto --output eDP-1 --auto --right-of DP-3 (usual dual screen settings), /var/log/Xorg.0.log shows: modeset(0): Allocate new frame buffer 7040x2160 stride because 3840 + 3200 = 7040 and max(2160,1800)

dual screen: some operations are slow (nouveau driver)

Hi, I have a laptop with a 3200x1800 screen, and I now have a 4K external monitor (3840x2160). I'm currently using the following configuration (which is the default one, at least with lightdm): xrandr --output DP-3 --auto --output eDP-1 --auto --right-of DP-3 The problem is that some