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[5/6] arm64: dts: qcom: qrb5165-rb5-vision-mezzanine: Add cma heap for libcamera softisp support

Message ID 20241025-b4-linux-next-24-10-25-camss-dts-fixups-v1-5-cdff2f1a5792@linaro.org
State New
Headers show
Series qcom: camss: dts: Prune and tidy x13s, rb5 and rb3 CAMSS dts | expand

Commit Message

Bryan O'Donoghue Oct. 25, 2024, 3:43 p.m. UTC
libcamera softisp requires a linux,cma heap export in order to support
user-space debayering, 3a and export to other system components such as
pipewire, Firefox/Chromium - Hangouts, Zoom etc.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
 arch/arm64/boot/dts/qcom/qrb5165-rb5-vision-mezzanine.dtso | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5-vision-mezzanine.dtso b/arch/arm64/boot/dts/qcom/qrb5165-rb5-vision-mezzanine.dtso
index 5fe331923dd3cd31ff2be047a2228e1c4104e80e..ae256c713a36078afdadc67193f381a19ea8e5d3 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5-vision-mezzanine.dtso
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5-vision-mezzanine.dtso
@@ -9,6 +9,17 @@ 
 #include <dt-bindings/clock/qcom,camcc-sm8250.h>
 #include <dt-bindings/gpio/gpio.h>
 
+/ {
+	reserved-memory {
+		linux,cma {
+			compatible = "shared-dma-pool";
+			size = <0x0 0x8000000>;
+			reusable;
+			linux,cma-default;
+		};
+	};
+};
+
 &camcc {
 	status = "okay";
 };