Questions tagged [framebuffer]
related to Linux `fbdev` abstraction (a.k.a. Linux framebuffer), as well as to accessing the framebuffer (a part of video memory) in general
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How to hide firmware logo in GRUB?
I disabled the hidden menu feature of GRUB on Fedora 34 Workstation, which hides GRUB menu and lets the vendor logo remain on the screen during GRUB operation.
$ sudo grub2-editenv - unset ...
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how to not stretch the 4:3 (1024x768) resolution on a wide monitor (1920x1080)?
I need this because my dell notebook video card is only not freezing if I use nomodeset on grub.
But then, I am limited to 4:3 resolutions (right?).
So, I am looking for a way to not stretch the ...
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Is it possible to configure GRUB to remove UEFI vendor logo faster during boot?
I appreciate the flicker free boot feature of Fedora. However, I am a disappointed customer of my laptop manufacturer. I would like to see less of its logo, so that I could dwell less on my regrets. ...
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Write on /dev/fb0 has no effect on GUI console
I run X in this way
/usr/bin/X vt07 -retro
to have the GUI on console 7 and the gray grid as background.
On console 1 I write
while [ 1 ] ; do cat /dev/random > /dev/fb0; done
and I see the ...
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hwinfo --framebuffer shows nothing, can't change grub resolution
I am using a Lenovo Yoga C940 15" with Fedora 34. It has a 4K screen with an nvidia gtx1650 mobile card and integrated intel graphics. I wanted to change the resolution of the GRUB menu because ...
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Is it possible to access the "frame buffer" so I can change the properties of each pixel?
I don't know if my question is technically correct. Here is what I want to do,
I'm running linux with xorg. The colors on my screen is way too dull. Its not my hardware because when I had windows my ...
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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+...
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Can't clear /dev/fb0
I have one of those 7" HDMI diplays from eBay, driving it with a Q1900 board running Ubuntu 20. I can write to the display using fbi:
sudo fbi -a -T 1 --noverbose -d /dev/fb0 -t 5 --blend 1000 &...
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cannot run in framebuffer mode. Please specify busIDs
from my previous question empty screen after booting from live persistent usb, I am able after boot to access all files and folders, but the X-server is unable to load (so I get only to tty1). From ...
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Is it possible to run fb on one head and X on anohter, given one card connected to a TV and a monitor?
I would like to set up so that my computer's monitor is connected to it's VGA output, while having a framebuffer on the other head.
Both heads seem to share a card.
They work fine as part of the same ...
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Initializing framebuffer device without udev
I am trying to reduce boot time in a Raspberry Pi 4 using Yocto Linux. The system uses SysV init.
There is psplash that uses framebuffer, and Qt application that uses DRM/eglfs, displayed ...
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X writing top of screen to random parts of framebuffer - Xorg problem?
I have an ASUS laptop with an SIS graphics card. The default Xorg generated when I installed Debian (well, technically Raspbian Desktop) was at 640x480, yet it can easily do better as it's a 1280x800 ...
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Cannot run in framebuffer mode. error help
I'm using ParrotSec and the system I normally used gave an error last night and I could not solve it.
I start normally, then wait, but the KDE does not start and the screen remains black. I pressed ...
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How do I allocate memory for a framebuffer loadable kernel module (linux)
I'm writing a 'fake' framebuffer device so I can use my e-reader as an external screen for my raspberry pi. The e-reader part is working fine (https://github.com/llandsmeer/inkvt), but now I want to ...
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Cannot force Debian to start in Framebuffer 640x480 resolution
In order to port an embedded project from an ARM target to Linux/x86, I have to create a Debian VM (I'm using Virtualbox right now) which starts in framebuffer mode with 640x480 resolution.
I used ...
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