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 --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";
 };

-- 
2.47.0

On 25.10.2024 5:43 PM, Bryan O'Donoghue wrote:
> 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>
> ---

Probably could use an inline comment

In any case

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad