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support PAS boot and flexible IOMMU handling #1138

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support PAS boot and flexible IOMMU handling #1138

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feeeeb2
PENDING: dt-bindings: media: qcom: venus: add iommu-map support
Apr 30, 2026
88a6b5b
PENDING: media: qcom: venus: support PAS boot and flexible IOMMU hand…
Apr 30, 2026
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5 changes: 5 additions & 0 deletions Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,9 @@ properties:
iommus:
maxItems: 1

iommu-map:
maxItems: 1

memory-region:
maxItems: 1

Expand Down Expand Up @@ -101,6 +104,7 @@ unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/media/qcom,qcs615-venus.h>
#include <dt-bindings/clock/qcom,videocc-sc7180.h>

venus: video-codec@aa00000 {
Expand All @@ -118,5 +122,6 @@ examples:
clock-names = "core", "iface", "bus",
"vcodec0_core", "vcodec0_bus";
iommus = <&apps_smmu 0x0c00 0x60>;
iommu-map = <VENUS_FIRMWARE &apps_smmu 0xe42 0x1>;
memory-region = <&venus_mem>;
};
2 changes: 2 additions & 0 deletions drivers/media/platform/qcom/venus/core.h
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Expand Up @@ -217,6 +217,8 @@ struct venus_core {
size_t mapped_mem_size;
phys_addr_t mem_phys;
size_t mem_size;
struct qcom_scm_pas_context *ctx;
bool iommu_domain_owned;
} fw;
struct mutex lock;
struct list_head instances;
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