wezm/wezm.net
1
0
Fork 1
mirror of https://github.com/wezm/wezm.net.git synced 2024-12-18 18:29:54 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fix typos

Browse source
This commit is contained in:
Wesley Moore 2020-05-30 11:21:12 +10:00
parent 10e0390a94
commit 09138c0889
No known key found for this signature in database
GPG key ID: BF67766C0BC2D0EE
1 changed files with 10 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
v2/content/posts/2020/linux-amdgpu-pixel-format.md
View file

@ -2,8 +2,8 @@
title = "Setting the amdgpu HDMI Pixel Format on Linux"
date = 2020-05-30T08:48:30+10:00
#[extra]
#updated = 2020-03-27T21:53:53+11:00
[extra]
updated = 2020-05-30T11:21:30+10:00
+++
This week I discovered some details of digital display technology that I was
@ -41,8 +41,8 @@ get 4K 60Hz on the newly HDMI connected display I immediately noticed lag. I
even captured it in a slow motion video on my phone to prove I wasn't going
crazy. Despite `xrandr` reporting a 60Hz connection it seemed as though it was
updating at less than that. This led me to compare the menus of the two
displays. It was here I noticed that good one reported an input colour format
of RGB, than the other [YPbPr].
displays. It was here I noticed that the good one reported an input colour
format of RGB, the other [YPbPr].
This led to more reading about pixel formats in digital displays — a thing I
was not previously aware of. Turns out that ports like HDMI support multiple
@ -58,11 +58,12 @@ support changing it][amdgpu-bug].
In trying various suggestions in that bug report I rebooted a few times and the
lag mysteriously went away but the pixel format remained the same. At this
point I noticed the display had a grey cast to it especially on areas of white.
This had been present on the other display when it was connected via HDMI too
but I just put it down to being a couple of years older. With my new pixel
format knowledge in hand I knew this was was the source of lack of brightness.
So, I was still determined to find a way to force the HDMI output to RGB.
point I noticed the display had a grey cast to it, especially on areas of
white. This had been present on the other display when it was connected via
HDMI too but I just put it down to being a couple of years older than the other
one. With my new pixel format knowledge in hand I knew this was was the source
of lack of brightness. So, I was still determined to find a way to force the
HDMI output to RGB.
### The Fix