target/linux/bcm27xx/patches-5.10/950-0351-overlays-Add-option-to-disable-composite-to-vc4-kms-.patch

   1 From 8c4205446ace4f14ec8725d11f46b570e9bc1fd3 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Fri, 23 Oct 2020 14:15:41 +0100
   4 Subject: [PATCH] overlays: Add option to disable composite to
   5  vc4-kms-v3d
   6
   7 Composite gets enabled automatically if HDMI isn't detected,
   8 which can cause some grief in X should it be not connected
   9 and touchscreens are in use.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  arch/arm/boot/dts/overlays/README                  | 2 ++
  14  arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 1 +
  15  2 files changed, 3 insertions(+)
  16
  17 --- a/arch/arm/boot/dts/overlays/README
  18 +++ b/arch/arm/boot/dts/overlays/README
  19 @@ -2949,6 +2949,8 @@ Params: cma-512                 CMA is 5
  20          cma-default             Use upstream's default value
  21          audio                   Enable or disable audio over HDMI (default "on")
  22          noaudio                 Disable all HDMI audio (default "off")
  23 +        nocomposite             Disable the composite video output (default
  24 +                                "off")
  25
  26
  27  Name:   vc4-kms-v3d-pi4
  28 --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  29 +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  30 @@ -118,5 +118,6 @@
  31         __overrides__ {
  32                 audio   = <0>,"!13", <0>,"=14";
  33                 noaudio = <0>,"=13", <0>,"!14";
  34 +               nocomposite = <0>, "!11";
  35         };
  36  };