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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 ...
user3161924's user avatar
0 votes
1 answer
765 views

How do I write directly to video memory without xorg?

Kind of an odd question I know, but fifteen years ago I was able to use svgalib on some ancient version of Debian to draw directly to video memory without xorg. To my dismay I see svgalib was pulled ...
cat pants's user avatar
  • 487
0 votes
1 answer
4k views

mplayer -vo caca with geometry

This -geometry 256x144+1095+600 work to show video in rigth bottom: mplayer -ontop -noborder -geometry 256x144+1095+600 -loop 0 -idle -fixed-vo -msglevel all=-1 2>/dev/null video.mp4 But this one ...
林果皞's user avatar
  • 5,206
4 votes
1 answer
3k views

what is the difference between (linux) framebuffer and GPU's memory?

what is the difference between a Linux or software-controlled framebuffer and a GPU memory? Is there any good pictorial guide to explain how Linux framebuffer works? On an embedded board with GPU, do ...
rainfrost's user avatar
  • 387
4 votes
0 answers
1k views

Can I change the X rotate the xf86-video-fbdev during execution?

Below is my /etc/X11/xorg.conf.d/1-fbdev.conf. /etc/X11/xorg.conf.d/1-fbdev.conf Section "Device" Identifier "LCD" Driver "fbdev" Option "fbdev" "/dev/fb0" Option "Rotate" "UD" EndSection I ...
DonBit's user avatar
  • 569
10 votes
1 answer
4k views

What is the kernel frame buffer?

I was reading the "mplayer" man pages trying to play video using just the console, (I don't have or don't want to install X11). It mentions that I can use the kernel frame buffer device which is ...
manofsteelx's user avatar
5 votes
1 answer
2k views

Setting the video output for the framebuffer device

I'm working with Broadcom's 97356 device, which contains an HDMI and an analog video output device. I'd like to be able to draw stuff to one of those two devices (or both at the same time!) using a ...
ivarec's user avatar
  • 265
4 votes
1 answer
1k views

Pivot in text mode (no X) (Pivot = rotated 90 degrees)

How to get rotated video in text mode (no X), even during booting sequence ? OS: Linux Graphics card: mostly ATI, but curious about NVida and Intel solutions.
Grzegorz Wierzowiecki's user avatar