Re: modesetting TearFree / VSYNC aware rotation pageflipping

2018-10-03 Thread Michel Dänzer
On 2018-10-03 4:22 p.m., Carsten Behling wrote: > >> TearFree uses separate dedicated scanout buffers, to which the "main" >> buffer contents are copied on demand. >> >> Originally, these three things (DRI page flipping, rotation and >> TearFree) were separate and mutually exclusive. However, the

Re: modesetting TearFree / VSYNC aware rotation pageflipping

2018-10-03 Thread Carsten Behling
Hi Michel, thanks for responding. > Basically you're comparing apples (TearFree, the amdgpu/radeon driver > changes above) and oranges (DRI page flipping, the modesetting change > above). > > DRI page flipping is an old mechanism (supported by the amdgpu/radeon > drivers as well, "forever", since

How to activate UDL DRM from xorg.conf?

2018-10-03 Thread Böszörményi Zoltán
Hi, I need to setup a three monitor system on an Intel based touchscreen POS machine using separate X screens so standalone fullscreen apps can be shown on each screen. Using the Intel driver with two Section "Device" with Driver "intel" and different ZaphodHeads settings work so I can have DISP