The VS signal change is synchronized to HS signal change, start the
info graphics with that event, instead of having that event occur in
the middle of it.
Scope trace of DPI bus with HS/VS active HIGH looks as follows:
________________...__
VS...___/__ __ \______...
HS...___/ \_______/ \__...__/ \___...
^ ^
| |
| Used to start here -'
|
'--- Start info graphics here
Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
---
.../bindings/display/panel/panel-timing.yaml | 46 +++++++++----------
1 file changed, 23 insertions(+), 23 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/panel/panel-timing.yaml b/Documentation/devicetree/bindings/display/panel/panel-timing.yaml
index 0d317e61edd8f..aea69b84ca5d8 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-timing.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-timing.yaml
@@ -17,29 +17,29 @@ description: |
The parameters are defined as seen in the following illustration.
- +----------+-------------------------------------+----------+-------+
- | | ^ | | |
- | | |vback_porch | | |
- | | v | | |
- +----------#######################################----------+-------+
- | # ^ # | |
- | # | # | |
- | hback # | # hfront | hsync |
- | porch # | hactive # porch | len |
- |<-------->#<-------+--------------------------->#<-------->|<----->|
- | # | # | |
- | # |vactive # | |
- | # | # | |
- | # v # | |
- +----------#######################################----------+-------+
- | | ^ | | |
- | | |vfront_porch | | |
- | | v | | |
- +----------+-------------------------------------+----------+-------+
- | | ^ | | |
- | | |vsync_len | | |
- | | v | | |
- +----------+-------------------------------------+----------+-------+
+ +-------+----------+-------------------------------------+----------+
+ | | | ^ | |
+ | | | |vsync_len | |
+ | | | v | |
+ +-------+----------+-------------------------------------+----------+
+ | | | ^ | |
+ | | | |vback_porch | |
+ | | | v | |
+ +-------+----------#######################################----------+
+ | | # ^ # |
+ | | # | # |
+ | hsync | hback # | # hfront |
+ | len | porch # | hactive # porch |
+ |<----->|<-------->#<-------+--------------------------->#<-------->|
+ | | # | # |
+ | | # |vactive # |
+ | | # | # |
+ | | # v # |
+ +-------+----------#######################################----------+
+ | | | ^ | |
+ | | | |vfront_porch | |
+ | | | v | |
+ +-------+----------+-------------------------------------+----------+
The following is the panel timings shown with time on the x-axis.
--
2.39.1
