v4.19.13 snapshot.
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+=============================================
+drm/meson AmLogic Meson Video Processing Unit
+=============================================
+
+.. kernel-doc:: drivers/gpu/drm/meson/meson_drv.c
+ :doc: Video Processing Unit
+
+Video Processing Unit
+=====================
+
+The Amlogic Meson Display controller is composed of several components
+that are going to be documented below:
+
+.. code::
+
+ DMC|---------------VPU (Video Processing Unit)----------------|------HHI------|
+ | vd1 _______ _____________ _________________ | |
+ D |-------| |----| | | | | HDMI PLL |
+ D | vd2 | VIU | | Video Post | | Video Encoders |<---|-----VCLK |
+ R |-------| |----| Processing | | | | |
+ | osd2 | | | |---| Enci ----------|----|-----VDAC------|
+ R |-------| CSC |----| Scalers | | Encp ----------|----|----HDMI-TX----|
+ A | osd1 | | | Blenders | | Encl ----------|----|---------------|
+ M |-------|______|----|____________| |________________| | |
+ ___|__________________________________________________________|_______________|
+
+Video Input Unit
+================
+
+.. kernel-doc:: drivers/gpu/drm/meson/meson_viu.c
+ :doc: Video Input Unit
+
+Video Post Processing
+=====================
+
+.. kernel-doc:: drivers/gpu/drm/meson/meson_vpp.c
+ :doc: Video Post Processing
+
+Video Encoder
+=============
+
+.. kernel-doc:: drivers/gpu/drm/meson/meson_venc.c
+ :doc: Video Encoder
+
+Video Canvas Management
+=======================
+
+.. kernel-doc:: drivers/gpu/drm/meson/meson_canvas.c
+ :doc: Canvas
+
+Video Clocks
+============
+
+.. kernel-doc:: drivers/gpu/drm/meson/meson_vclk.c
+ :doc: Video Clocks
+
+HDMI Video Output
+=================
+
+.. kernel-doc:: drivers/gpu/drm/meson/meson_dw_hdmi.c
+ :doc: HDMI Output