target/linux/bcm27xx/patches-5.15/950-0746-overlays-Add-drm-parameter-to-pitft35-resistive.patch

   1 From a6747d9fad7d15345f7703e9f9d2916ea20a6edf Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Fri, 25 Feb 2022 09:53:56 +0000
   4 Subject: [PATCH] overlays: Add "drm" parameter to pitft35-resistive
   5
   6 The "drm" parameter forces the use of the hx8357d DRM driver, when by
   7 default the fb_hx8357d framebuffer driver will be used in preference.
   8
   9 See: https://forums.raspberrypi.com/viewtopic.php?t=330088
  10
  11 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
  12 ---
  13  arch/arm/boot/dts/overlays/README                        | 4 ++++
  14  arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts | 1 +
  15  2 files changed, 5 insertions(+)
  16
  17 --- a/arch/arm/boot/dts/overlays/README
  18 +++ b/arch/arm/boot/dts/overlays/README
  19 @@ -2689,6 +2689,10 @@ Params: speed                   Display
  20
  21          debug                   Debug output level {0-7}
  22
  23 +        drm                     Force the use of the hx8357d DRM driver (by
  24 +                                default the fb_hx8357d framebuffer driver will
  25 +                                be used in preference if available)
  26 +
  27
  28  Name:   pps-gpio
  29  Info:   Configures the pps-gpio (pulse-per-second time signal via GPIO).
  30 --- a/arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts
  31 +++ b/arch/arm/boot/dts/overlays/pitft35-resistive-overlay.dts
  32 @@ -115,5 +115,6 @@
  33                 rotate =  <&pitft>,"rotate:0";
  34                 fps =     <&pitft>,"fps:0";
  35                 debug =   <&pitft>,"debug:0";
  36 +               drm =     <&pitft>,"compatible=adafruit,yx350hv15";
  37         };
  38  };