linux-kernel - [PATCH] ARM: dts: exynos/i9100: Fix LCD screen's physical size

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Date:   Fri, 14 Jul 2023 17:37:20 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Alim Akhtar <alim.akhtar@...sung.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Paul Cercueil <paul@...pouillou.net>,
        Sam Ravnborg <sam@...nborg.org>, stable@...r.kernel.org
Subject: [PATCH] ARM: dts: exynos/i9100: Fix LCD screen's physical size

The previous values were completely bogus, and resulted in the computed
DPI ratio being much lower than reality, causing applications and UIs to
misbehave.

The new values were measured by myself with a ruler.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
Acked-by: Sam Ravnborg <sam@...nborg.org>
Fixes: 8620cc2f99b7 ("ARM: dts: exynos: Add devicetree file for the Galaxy S2")
Cc: <stable@...r.kernel.org> # v5.8+
---
 arch/arm/boot/dts/samsung/exynos4210-i9100.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/samsung/exynos4210-i9100.dts b/arch/arm/boot/dts/samsung/exynos4210-i9100.dts
index 37cd4dde53e4..a9ec1f6c1dea 100644
--- a/arch/arm/boot/dts/samsung/exynos4210-i9100.dts
+++ b/arch/arm/boot/dts/samsung/exynos4210-i9100.dts
@@ -207,8 +207,8 @@ lcd@0 {
 			power-on-delay = <10>;
 			reset-delay = <10>;
 
-			panel-width-mm = <90>;
-			panel-height-mm = <154>;
+			panel-width-mm = <56>;
+			panel-height-mm = <93>;
 
 			display-timings {
 				timing {
-- 
2.40.1