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| author | Sharat Masetty <smasetty@codeaurora.org> | 2020-07-13 15:41:41 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2020-07-31 16:46:15 +0300 |
| commit | 369c4ef4330f395835f63fe62e4110f4608c9459 (patch) | |
| tree | 80f4375e7b46a00044cad27fbe92597daa1956b9 /Documentation | |
| parent | 3cbdc8d8b7f39a7af3ea7b8dfa75caaebfda4e56 (diff) | |
| download | linux-369c4ef4330f395835f63fe62e4110f4608c9459.tar.xz | |
dt-bindings: drm/msm/gpu: Document gpu opp table
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@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/display/msm/gpu.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt index fd779cd6994d..1af0ff102b50 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 { |