gpu: ion: Switch MM heap to use CMA on DT targets
The MM heap is now dedicated for secure use cases.
Switch it over to use CMA for allocations instead of
the carveout heaps.
Change-Id: Ic110f3b34b3b1280efd3d6784a9242dcf8c627c2
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8974-ion.dtsi b/arch/arm/boot/dts/msm8974-ion.dtsi
index f55cff2..dfa22c1 100644
--- a/arch/arm/boot/dts/msm8974-ion.dtsi
+++ b/arch/arm/boot/dts/msm8974-ion.dtsi
@@ -24,8 +24,7 @@
compatible = "qcom,msm-ion-reserve";
reg = <8>;
qcom,heap-align = <0x1000>;
- qcom,memory-reservation-type = "EBI1"; /* reserve EBI memory */
- qcom,memory-reservation-size = <0x7800000>;
+ linux,contiguous-region = <&secure_mem>;
};
qcom,ion-heap@25 { /* IOMMU HEAP */
diff --git a/arch/arm/boot/dts/msm8974.dtsi b/arch/arm/boot/dts/msm8974.dtsi
index 2c4d5d9..7c6a9d1 100644
--- a/arch/arm/boot/dts/msm8974.dtsi
+++ b/arch/arm/boot/dts/msm8974.dtsi
@@ -31,6 +31,15 @@
spi7 = &spi_7;
};
+ memory {
+
+ secure_mem: region@0 {
+ linux,contiguous-region;
+ reg = <0 0x7800000>;
+ label = "secure_mem";
+ };
+ };
+
intc: interrupt-controller@F9000000 {
compatible = "qcom,msm-qgic2";
interrupt-controller;
diff --git a/drivers/gpu/ion/msm/msm_ion.c b/drivers/gpu/ion/msm/msm_ion.c
index 1ca457f..832a9a1 100644
--- a/drivers/gpu/ion/msm/msm_ion.c
+++ b/drivers/gpu/ion/msm/msm_ion.c
@@ -55,7 +55,7 @@
},
{
.id = ION_CP_MM_HEAP_ID,
- .type = ION_HEAP_TYPE_CP,
+ .type = ION_HEAP_TYPE_SECURE_DMA,
.name = ION_MM_HEAP_NAME,
.permission_type = IPT_TYPE_MM_CARVEOUT,
},