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@xxxxxxxxxx>
---
.../boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso b/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso
index d62a20f018e7a7e1c7e77f0c927c2d9fe7ae8509..c8507afcd1e0d1f9b14b6e4edcbc646032e7b6c9 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso
@@ -9,6 +9,17 @@
#include <dt-bindings/clock/qcom,camcc-sdm845.h>
#include <dt-bindings/gpio/gpio.h>
+/ {
+ reserved-memory {
+ linux,cma {
+ compatible = "shared-dma-pool";
+ size = <0x0 0x8000000>;
+ reusable;
+ linux,cma-default;
+ };
+ };
+};
+
&camss {
vdda-phy-supply = <&vreg_l1a_0p875>;
vdda-pll-supply = <&vreg_l26a_1p2>;
--
2.47.0
