All Questions
Tagged with framebuffer kms
7
questions
2
votes
0
answers
153
views
How does this whole FrameBuffer, DRM, KMS stuff work in todays Linux / Kernel?
I'm confused about what is what nowadays with Linux and video support for the console interface vs X.
Do the /dev/fb* items only relate to the old original framebuffer support?
Does DRM create/support ...
0
votes
0
answers
413
views
Low-Latency method to read Xorg or DRM framebuffer
I am trying to build an application that can measure the latency/processing time of graphics frameworks on Linux.
My idea is to implement simple programs that react to an input event (e.g. mouse click)...
0
votes
0
answers
1k
views
How to set a large stty size?(default 80x24)
I'm really not sure where is the problem, so I'm putting all message i think helpful here.
dmesg | grep drm
[ 0.316388] fb0: switching to cirrusdrmfb from EFI VGA
[ 0.316769] [drm] fb mappable ...
1
vote
0
answers
821
views
Struggling with display KMS options on Lenovo D330-10igm
I'm trying to replace the default Windows 10 installation with Linux on this hybrid tablet.
What I tried
First I tried with Ubuntu 18.04, blank screen, I thought about starting modifying the KMS ...
3
votes
0
answers
2k
views
modetest.c from libdrm tests lists no framebuffers
I wanted to play with KMS since it seems to be the preferred low-level graphics library on Linux. However, after compiling the appropriate modetest.c version (2.4.32, since that's the version of ...
4
votes
2
answers
2k
views
How to increase the speed of a text console (kernel mode setting)?
On a Fedora 17 system (i915 hardware) KMS works out of the box - and using the console (i.e. Ctrl+Alt+F2 etc.) is very framebuffer-like. To the point that scrolling through a man page or cat log-files ...
31
votes
2
answers
13k
views
Kernel Mode Setting vs. Framebuffer?
With KMS, the graphics drivers are moved into the kernel. Since the framebuffer was already in the kernel, I wouldn't expect this to affect framebuffer operation. Yet, I read that KMS supercedes the ...