linux-kernel - [PATCH v4 5/6] ARM: dts: stm32: set framebuffer bit depth on stm32f746-disco

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Date:   Mon, 19 Jun 2023 18:55:24 +0200
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     linux-kernel@...r.kernel.org
Cc:     Philippe Cornu <philippe.cornu@...s.st.com>,
        Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>,
        Amarula patchwork <linux-amarula@...rulasolutions.com>,
        michael@...rulasolutions.com,
        Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: [PATCH v4 5/6] ARM: dts: stm32: set framebuffer bit depth on stm32f746-disco

The board uses a limited amounts of RAM. The added property halves the
memory footprint required by the framebuffer.

Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
---

(no changes since v1)

 arch/arm/boot/dts/stm32f746-disco.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
index cda423b6a874..36612b4c2504 100644
--- a/arch/arm/boot/dts/stm32f746-disco.dts
+++ b/arch/arm/boot/dts/stm32f746-disco.dts
@@ -142,6 +142,7 @@ &ltdc {
 	pinctrl-0 = <&ltdc_pins_a>;
 	pinctrl-names = "default";
 	status = "okay";
+	st,fb-bpp = <8>;
 
 	port {
 		ltdc_out_rgb: endpoint {
-- 
2.32.0