[bootlin/training-materials updates] master: graphics: Add extra minor fixes (c5110acc)

[Paul Kocialkowski]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/c5110acc6bbdf940ff878b03dcfab35206255f6e

>---------------------------------------------------------------

commit c5110acc6bbdf940ff878b03dcfab35206255f6e
Author: Paul Kocialkowski <paul.kocialkowski at bootlin.com>
Date:   Tue May 17 16:05:58 2022 +0200

    graphics: Add extra minor fixes
    
    Signed-off-by: Paul Kocialkowski <paul.kocialkowski at bootlin.com>


>---------------------------------------------------------------

c5110acc6bbdf940ff878b03dcfab35206255f6e
 slides/graphics-hardware/graphics-hardware.tex | 10 +++++-----
 slides/graphics-software/graphics-software.tex |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/slides/graphics-hardware/graphics-hardware.tex b/slides/graphics-hardware/graphics-hardware.tex
index d97e4841..6c3f380e 100644
--- a/slides/graphics-hardware/graphics-hardware.tex
+++ b/slides/graphics-hardware/graphics-hardware.tex
@@ -245,7 +245,7 @@
     \item Using gas cells brought to plasma state to strike light-emitting phosphor
     \item Flat array of cells, scales to large surfaces
     \item Medium energy consumption (depends on luminance)
-    \item Medium to low contrast, low response time (\(\leq 1~\mu s\))
+    \item High contrast, low response time (\(\leq 1~\mu s\))
     \item Other issues: burn-in
     \item Gradually being \textbf{deprecated} in favor of other flat-panel technologies
     \end{itemize}
@@ -294,13 +294,13 @@
   \begin{itemize}
   \item \textbf{Electrophoretic displays} (EPDs), since the 2000s:
     \begin{itemize}
-    \item Using black and white electrically-charged particles in ink\\
-    \textit{e.g. positive charge for black and negative for black}
+    \item Using black and white electrically-charged ink-like particles in oil\\
+    \textit{e.g. positive charge for black and negative for white}
     \item Electric fields attract one or the other color with current flow\\
     \textit{the particles stay in place after they were moved}
     \item Using incident light, does not emit light itself
     \item Very low consumption (only for changes)
-    \item High response time (\(100~ms\)) and ghosting
+    \item Very high response time (\(100~ms\)) and ghosting
     \end{itemize}
   \end{itemize}~
 
@@ -361,8 +361,8 @@
     \end{itemize}
   \item Requires \textbf{synchronization points}:
     \begin{itemize}
-    \item Horizontal: beginning of a new line
     \item Vertical: beginning of a new frame
+    \item Horizontal: beginning of a new line
     \end{itemize}
   \item Requires \textbf{blank times}:
     \begin{itemize}
diff --git a/slides/graphics-software/graphics-software.tex b/slides/graphics-software/graphics-software.tex
index 293cad37..2d3c1ae4 100644
--- a/slides/graphics-software/graphics-software.tex
+++ b/slides/graphics-software/graphics-software.tex
@@ -5,7 +5,7 @@
 \begin{frame}{System-agnostic overview: kernel}
   \begin{itemize}
   \item The kernel provides access to the hardware from userspace
-  \item Handles register access, interrupts, etc
+  \item Handles clocks, power, register access, interrupts, etc
   \item Coordinates memory management with the rest of the system
   \item Exposes features to userspace through hardware-agnostic interfaces\\
   \textit{or at least, as much as possible}