Linux IOMMU Development
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From: cyndis@kapsi.fi
To: thierry.reding@gmail.com, jonathanh@nvidia.com, joro@8bytes.org,
	will@kernel.org, robin.murphy@arm.com, robh+dt@kernel.org,
	krzysztof.kozlowski@canonical.com
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org,
	Mikko Perttunen <mperttunen@nvidia.com>,
	iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 1/9] dt-bindings: host1x: Add iommu-map property
Date: Tue,  1 Mar 2022 18:14:47 +0200	[thread overview]
Message-ID: <20220301161455.4037062-2-cyndis@kapsi.fi> (raw)
In-Reply-To: <20220301161455.4037062-1-cyndis@kapsi.fi>

From: Mikko Perttunen <mperttunen@nvidia.com>

Add schema information for specifying context stream IDs. This uses
the standard iommu-map property.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
---
v3:
* New patch
v4:
* Remove memory-contexts subnode.
---
 .../bindings/display/tegra/nvidia,tegra20-host1x.yaml        | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
index 4fd513efb0f7..0adeb03b9e3a 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
@@ -144,6 +144,11 @@ allOf:
         reset-names:
           maxItems: 1
 
+        iommu-map:
+          description: Specification of stream IDs available for memory context device
+            use. Should be a mapping of IDs 0..n to IOMMU entries corresponding to
+            usable stream IDs.
+
       required:
         - reg-names
 
-- 
2.35.0

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  reply	other threads:[~2022-03-01 16:15 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-01 16:14 [PATCH v4 0/9] Host1x context isolation support cyndis
2022-03-01 16:14 ` cyndis [this message]
2022-03-01 18:12   ` [PATCH v4 1/9] dt-bindings: host1x: Add iommu-map property Robin Murphy
2022-03-02 12:31     ` Mikko Perttunen
2022-03-01 16:14 ` [PATCH v4 2/9] gpu: host1x: Add context bus cyndis
2022-03-01 16:14 ` [PATCH v4 3/9] gpu: host1x: Add context device management code cyndis
2022-03-12 18:12   ` Dmitry Osipenko
2022-03-01 16:14 ` [PATCH v4 4/9] gpu: host1x: Program context stream ID on submission cyndis
2022-03-01 16:14 ` [PATCH v4 5/9] iommu/arm-smmu: Attach to host1x context device bus cyndis
2022-03-01 16:14 ` [PATCH v4 6/9] arm64: tegra: Add Host1x context stream IDs on Tegra186+ cyndis
2022-03-01 16:14 ` [PATCH v4 7/9] drm/tegra: falcon: Set DMACTX field on DMA transactions cyndis
2022-03-01 16:14 ` [PATCH v4 8/9] drm/tegra: Support context isolation cyndis
2022-03-01 16:14 ` [PATCH v4 9/9] drm/tegra: vic: Implement get_streamid_offset cyndis

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