diff options
| author | Marek Vasut <[email protected]> | 2023-02-21 21:04:07 +0100 |
|---|---|---|
| committer | Marek Vasut <[email protected]> | 2023-04-03 16:38:16 +0200 |
| commit | 3e66f493e136e615ada3c0dc691119679b1df837 (patch) | |
| tree | 01860496807e9264e3f4f2c347f98b4fc8c053b5 | |
| parent | 2792aed16ca7e594916893698f526ff31eeed237 (diff) | |
dt-bindings: display: Start the info graphics with HS/VS change
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 <[email protected]>
Reviewed-by: Sam Ravnborg <[email protected]>
Acked-by: Rob Herring <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | Documentation/devicetree/bindings/display/panel/panel-timing.yaml | 46 |
1 files 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 0d317e61edd8..aea69b84ca5d 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. |