All Questions
Tagged with framebuffer kernel
7
questions
1
vote
0
answers
97
views
Frame buffer driver(altfb) not working with a 24 bit display
I am developing an embedded Linux system with a 24 bit LCD display. I use terasic linux-socfpga to compile the kernel and I want to use the altfb driver to show the desktop in LCD. For that, I copied ...
2
votes
2
answers
4k
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How can I enable TTY console?
I'm running Linux (Debian 10) on a Chromebook (Eve) using a stock Chrome OS kernel (4.4.x) with minor modifications. Everything runs (mostly) fine except that TTY console cannot be accessed via Ctrl+...
0
votes
0
answers
1k
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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 ...
10
votes
2
answers
6k
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What happened to `vga=ask` in newer kernels?
I used to activate framebuffer mode in the "older" kernels with vga=ask, and later setting it to a value, once I've figured out which one works best for me.
Now, this option seems to be gone, the 3....
6
votes
1
answer
2k
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How to enable VESA framebuffer as default in NetBSD 6.1
When booting NetBSD, the old Tecra 720CDT that I have, works quite nicely in 1024x768x15 mode with vesa fb.
I always have to activate VESA when booting the system:
> vesa on
> vesa 0x116
> ...
31
votes
2
answers
13k
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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 ...
4
votes
1
answer
6k
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Hung system call
So I'm working with a custom kernel module that I'm writing a python front end for. The kernel module works, and it adds a framebuffer device file to /dev/fb1. I can read and write to it fine. I've ...