On August 15, 2024 8:24:26 PM GMT-04:00, H <agents@xxxxxxxxxxxxxx> wrote: >I am running Rocky Linux latest version with the Mate Desktop 1.26.2 >(the latest version in the EPEL repository) on a Dell Inspiron laptop >with a 3840 x 2160 display and an external 1920 x 1080 Acer >monitor connected via HDMI, see output below: > >$ inxi --graphics >Graphics: > Device-1: Intel UHD Graphics 620 driver: i915 v: kernel > Device-2: NVIDIA GM108M [GeForce 940MX] driver: nouveau v: kernel >Device-3: DisplayLink Dell D3100 Docking Station driver: usbfs type: >USB > Device-4: Realtek Integrated_Webcam_HD driver: uvcvideo type: USB > Display: x11 server: X.Org v: 1.20.11 driver: X: loaded: modesetting > dri: iris gpu: i915 resolution: 1: 1920x1080~60Hz 2: 3840x2160~60Hz >API: OpenGL v: 4.6 vendor: intel mesa v: 23.3.3 renderer: Mesa Intel >UHD > Graphics 620 (KBL GT2) > >The problem is that the external display has some issues, whether they >are related to the nouveau driver, the Mate Desktop or something else I >cannot determine. What happens is that although the >external monitor is indeed using the 1920 x 1080 resolution and >dragging a window from the laptop screen to the external screen works, >ie., it maintains the "correct" size, then maximizing it makes it >1/4 of the size of the external monitor display. Likewise, the Mate >Desktop background repeats partly 4-fold on this monitor, partly >16-fold... > >I also have a Dell docking station, model D3100 and have downloaded the >latest DisplayLink driver from github with the hope that I could attach >two external Acer monitors to use with the laptop, I >unable to use xrandr to correctly set the external monitor (I have only >tried with one so far) to the desired 1920 x 1080 resolution while >maintaining the 3840 x 2160 resolution on the laptop screen. > >Googling suggests that there might be some issues with xrandr and >scaling > >Given my description above, could there possibly be a bug in the >nouveau driver I am using? > >Thanks. Would be great if someone could opine on the bug I am seeing : whether it might be a nouveau bug, xrandr-related bug or possibly Mate Desktop related bug? Or some other bug. Thank you.
