[PATCH v3 1/6] dt-bindings: drm/msm/gpu: Document gpu opp table
From: Sharat Masetty <hidden>
Date: 2020-06-06 04:26:20
Also in:
dri-devel, linux-arm-msm, lkml
Subsystem:
drm driver for qualcomm display hardware, drm drivers, drm drivers and misc gpu patches, open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Clark, Dmitry Baryshkov, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> Acked-by: Rob Herring <robh@kernel.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 70025cb..48bd4ab 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gpu.txt@@ -79,6 +79,34 @@ Example a6xx (with GMU): interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>; + 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