[PATCH] arm64: dts: mediatek: mt8395-genio-1200-evk: Disable unused backlight

Nícolas F. R. A. Prado posted 1 patch 7 months, 3 weeks ago
arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts | 1 +
1 file changed, 1 insertion(+)
[PATCH] arm64: dts: mediatek: mt8395-genio-1200-evk: Disable unused backlight
Posted by Nícolas F. R. A. Prado 7 months, 3 weeks ago
The builtin panel on the Genio 1200 EVK board uses the backlight_lcm0
node for its backlight. Though the backlight_lcd1 is currently left
enabled, it is unused, and its pwm input, disp_pwm1, is disabled, so it
fails probe. Disable this unused node.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
index dc884e2e95c70309407798e6a51b595e441e6369..be5e5f339e811728e91b1ffec45ada25f9b0208b 100644
--- a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts
@@ -106,6 +106,7 @@ backlight_lcd1: backlight-lcd1 {
 		brightness-levels = <0 1023>;
 		num-interpolated-steps = <1023>;
 		default-brightness-level = <576>;
+		status = "disabled";
 	};
 
 	can_clk: can-clk {

---
base-commit: 37ff6e9a2ce321b7932d3987701757fb4d87b0e6
change-id: 20250502-genio-1200-disable-backlight-lcd1-b10ef0424a51

Best regards,
-- 
Nícolas F. R. A. Prado <nfraprado@collabora.com>

Re: [PATCH] arm64: dts: mediatek: mt8395-genio-1200-evk: Disable unused backlight
Posted by AngeloGioacchino Del Regno 7 months, 2 weeks ago
On Fri, 02 May 2025 08:42:56 -0400, Nícolas F. R. A. Prado wrote:
> The builtin panel on the Genio 1200 EVK board uses the backlight_lcm0
> node for its backlight. Though the backlight_lcd1 is currently left
> enabled, it is unused, and its pwm input, disp_pwm1, is disabled, so it
> fails probe. Disable this unused node.
> 
> 

Applied to v6.15-next/dts64, thanks!

[1/1] arm64: dts: mediatek: mt8395-genio-1200-evk: Disable unused backlight
      commit: 0eae9cee0d74c09f5ee7ccc0dcc6b7fbb669f68b

Cheers,
Angelo