linux-kernel - [PATCH v5 1/6] dt-bindings: drm/msm/gpu: Document gpu opp table

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1594644106-22449-2-git-send-email-akhilpo@codeaurora.org>
Date:   Mon, 13 Jul 2020 18:11:41 +0530
From:   Akhil P Oommen <akhilpo@...eaurora.org>
To:     freedreno@...ts.freedesktop.org
Cc:     dri-devel@...edesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, jcrouse@...eaurora.org,
        smasetty@...eaurora.org, devicetree@...r.kernel.org,
        mka@...omium.org, saravanak@...gle.com, sibis@...eaurora.org,
        viresh.kumar@...aro.org, jonathan@...ek.ca, robdclark@...il.com
Subject: [PATCH v5 1/6] dt-bindings: drm/msm/gpu: Document gpu opp table

From: Sharat Masetty <smasetty@...eaurora.org>

Update documentation to list the gpu opp table bindings including the
newly added "opp-peak-kBps" needed for GPU-DDR bandwidth scaling.

Signed-off-by: Sharat Masetty <smasetty@...eaurora.org>
Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Akhil P Oommen <akhilpo@...eaurora.org>
---
 .../devicetree/bindings/display/msm/gpu.txt        | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
index fd779cd..1af0ff1 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
@@ -112,6 +112,34 @@ Example a6xx (with GMU):
 		interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>;
 		interconnect-names = "gfx-mem";
 
+		gpu_opp_table: opp-table {
+			compatible = "operating-points-v2";
+
+			opp-430000000 {
+				opp-hz = /bits/ 64 <430000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+				opp-peak-kBps = <5412000>;
+			};
+
+			opp-355000000 {
+				opp-hz = /bits/ 64 <355000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+				opp-peak-kBps = <3072000>;
+			};
+
+			opp-267000000 {
+				opp-hz = /bits/ 64 <267000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+				opp-peak-kBps = <3072000>;
+			};
+
+			opp-180000000 {
+				opp-hz = /bits/ 64 <180000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
+				opp-peak-kBps = <1804000>;
+			};
+		};
+
 		qcom,gmu = <&gmu>;
 
 		zap-shader {
-- 
2.7.4