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
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.
9 See: https://forums.raspberrypi.com/viewtopic.php?t=330088
11 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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(+)
17 --- a/arch/arm/boot/dts/overlays/README
18 +++ b/arch/arm/boot/dts/overlays/README
19 @@ -2689,6 +2689,10 @@ Params: speed Display
21 debug Debug output level {0-7}
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)
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
33 rotate = <&pitft>,"rotate:0";
34 fps = <&pitft>,"fps:0";
35 debug = <&pitft>,"debug:0";
36 + drm = <&pitft>,"compatible=adafruit,yx350hv15";