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From: Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
	linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	Bjorn Andersson
	<bjorn.andersson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Rob Clark <robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Daniel Vetter <daniel-/w4YWyX8dFk@public.gmane.org>,
	Sean Paul <sean-p7yTbzM4H96eqtR555YLDQ@public.gmane.org>
Subject: [PATCH v1 3/4] dt-bindings: drm/msm/gpu: Document a5xx / a6xx zap shader region
Date: Tue, 12 Mar 2019 12:13:41 -0600	[thread overview]
Message-ID: <1552414422-9568-4-git-send-email-jcrouse@codeaurora.org> (raw)
In-Reply-To: <1552414422-9568-1-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>

Describe the zap-shader node that defines a reserved memory region
to store the zap shader.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
---

 Documentation/devicetree/bindings/display/msm/gpu.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
index aad1aef..1e6d870 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
@@ -25,6 +25,9 @@ Required properties:
 - qcom,gmu: For GMU attached devices a phandle to the GMU device that will
   control the power for the GPU. Applicable targets:
     - qcom,adreno-630.2
+- zap-shader: For a5xx and a6xx devices this node contains a memory-region that
+  points to reserved memory to store the zap shader that can be used to help
+  bring the GPU out of secure mode.
 
 Example 3xx/4xx/a5xx:
 
@@ -71,5 +74,9 @@ Example a6xx (with GMU):
 		operating-points-v2 = <&gpu_opp_table>;
 
 		qcom,gmu = <&gmu>;
+
+		zap-shader {
+			memory-region = <&zap_shader_region>;
+		};
 	};
 };
-- 
2.7.4

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WARNING: multiple messages have this Message-ID (diff)
From: Jordan Crouse <jcrouse@codeaurora.org>
To: freedreno@lists.freedesktop.org
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
	Sean Paul <sean@poorly.run>,
	devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	Rob Herring <robh+dt@kernel.org>, Rob Clark <robdclark@gmail.com>,
	David Airlie <airlied@linux.ie>,
	Mark Rutland <mark.rutland@arm.com>,
	Daniel Vetter <daniel@ffwll.ch>
Subject: [PATCH v1 3/4] dt-bindings: drm/msm/gpu: Document a5xx / a6xx zap shader region
Date: Tue, 12 Mar 2019 12:13:41 -0600	[thread overview]
Message-ID: <1552414422-9568-4-git-send-email-jcrouse@codeaurora.org> (raw)
In-Reply-To: <1552414422-9568-1-git-send-email-jcrouse@codeaurora.org>

Describe the zap-shader node that defines a reserved memory region
to store the zap shader.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
---

 Documentation/devicetree/bindings/display/msm/gpu.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
index aad1aef..1e6d870 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
@@ -25,6 +25,9 @@ Required properties:
 - qcom,gmu: For GMU attached devices a phandle to the GMU device that will
   control the power for the GPU. Applicable targets:
     - qcom,adreno-630.2
+- zap-shader: For a5xx and a6xx devices this node contains a memory-region that
+  points to reserved memory to store the zap shader that can be used to help
+  bring the GPU out of secure mode.
 
 Example 3xx/4xx/a5xx:
 
@@ -71,5 +74,9 @@ Example a6xx (with GMU):
 		operating-points-v2 = <&gpu_opp_table>;
 
 		qcom,gmu = <&gmu>;
+
+		zap-shader {
+			memory-region = <&zap_shader_region>;
+		};
 	};
 };
-- 
2.7.4


  parent reply	other threads:[~2019-03-12 18:13 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-12 18:13 [PATCH v1 0/4] drm/msm/a6xx: Add support for zap shader Jordan Crouse
2019-03-12 18:13 ` Jordan Crouse
     [not found] ` <1552414422-9568-1-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2019-03-12 18:13   ` [PATCH v1 1/4] drm/msm/gpu: Move zap shader loading to adreno Jordan Crouse
2019-03-12 18:13     ` Jordan Crouse
2019-03-12 18:13   ` [PATCH v1 2/4] drm/msm/a6xx: Add zap shader load Jordan Crouse
2019-03-12 18:13     ` Jordan Crouse
2019-03-12 18:13   ` Jordan Crouse [this message]
2019-03-12 18:13     ` [PATCH v1 3/4] dt-bindings: drm/msm/gpu: Document a5xx / a6xx zap shader region Jordan Crouse
2019-03-28 13:32     ` Rob Herring
2019-04-01 16:13       ` Jordan Crouse
2019-03-12 18:13   ` [PATCH v1 4/4] arm64: dts: sdm845: Add zap shader region for GPU Jordan Crouse
2019-03-12 18:13     ` Jordan Crouse
2019-03-13 15:42     ` [Freedreno] " Rob Clark
     [not found]       ` <CAF6AEGt74Hs+VMgMOMAyFw9FGk5mrY2NU07JUh=OKSOhj-h6CA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-03-14  5:20         ` Bjorn Andersson
2019-03-14  5:20           ` [Freedreno] " Bjorn Andersson
2019-03-14 16:59           ` Rob Clark
2019-03-14 16:59             ` [Freedreno] " Rob Clark

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