[bootlin/training-materials updates] master: graphics: Fix minor typos (1c541eea)

[Thomas Petazzoni]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/1c541eea4ae950d2a38a0c3c50afbabd67c144a1

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

commit 1c541eea4ae950d2a38a0c3c50afbabd67c144a1
Author: Paul Kocialkowski <paul.kocialkowski at bootlin.com>
Date:   Tue May 18 10:49:32 2021 +0200

    graphics: Fix minor typos
    
    Signed-off-by: Paul Kocialkowski <paul.kocialkowski at bootlin.com>


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

1c541eea4ae950d2a38a0c3c50afbabd67c144a1
 slides/graphics-software/graphics-software.tex | 2 +-
 slides/graphics-theory/graphics-theory.tex     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/slides/graphics-software/graphics-software.tex b/slides/graphics-software/graphics-software.tex
index ec521a5e..293cad37 100644
--- a/slides/graphics-software/graphics-software.tex
+++ b/slides/graphics-software/graphics-software.tex
@@ -1724,7 +1724,7 @@ struct gbm_device *device = gbm_create_device(drm_fd);
   \item \textbf{Qualcomm Adreno}
     \begin{itemize}
     \item Platforms: Qualcomm Snapdragon
-    \item Mesa driver: freedredno (Gallium)
+    \item Mesa driver: freedreno (Gallium)
     \item DRM driver: freedreno
     \item Status: reverse engineered, advanced
     \end{itemize}
diff --git a/slides/graphics-theory/graphics-theory.tex b/slides/graphics-theory/graphics-theory.tex
index 3a73e5e1..eb832040 100644
--- a/slides/graphics-theory/graphics-theory.tex
+++ b/slides/graphics-theory/graphics-theory.tex
@@ -150,7 +150,7 @@ F(u,v) = \int_{-\infty}^{+\infty} \int_{-\infty}^{+\infty} f(x,y)e^{-j2\pi(ux+uy
 \[
 u_s > 2 \times u_{max}, ~v_s > 2 \times v_{max}
 \]
-  \item Frequencies such that \(f \geq \frac{f_s}{2}\) are \textbf{not correctly sampled}
+  \item Frequencies such that \(u \geq \frac{u_s}{2}\) and \(v \geq \frac{v_s}{2}\) are \textbf{not correctly sampled}
   \item Can result in \textbf{incorrect frequencies} being introduced: \textbf{Moiré pattern} in 2D
   \end{itemize}
 
@@ -348,7 +348,7 @@ u_s > 2 \times u_{max}, ~v_s > 2 \times v_{max}
   \end{minipage}
 
   \begin{center}
-     \textit{\small Translation between BT.609 YUV and sRGB colorspaces}
+     \textit{\small Translation between BT.601 YUV and sRGB colorspaces}
   \end{center}
 \end{frame}