| Message ID | 1603892395-3570-3-git-send-email-akhilpo@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3,1/3] drm/msm: Add support for GPU cooling | expand |
On Wed, Oct 28, 2020 at 07:09:54PM +0530, Akhil P Oommen wrote: > Add cooling device support to gpu. A cooling device is bound to a > thermal zone to allow thermal mitigation. > > Signed-off-by: Akhil P Oommen <akhilpo@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 1af0ff1..090dcb3 100644 > --- a/Documentation/devicetree/bindings/display/msm/gpu.txt > +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt > @@ -39,6 +39,10 @@ Required properties: > a4xx Snapdragon SoCs. See > Documentation/devicetree/bindings/sram/qcom,ocmem.yaml. > > +Optional properties: > +- #cooling-cells: The value must be 2. For details, please refer > + Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml. > + > Example 3xx/4xx: > > / { > @@ -61,6 +65,7 @@ Example 3xx/4xx: > power-domains = <&mmcc OXILICX_GDSC>; > operating-points-v2 = <&gpu_opp_table>; > iommus = <&gpu_iommu 0>; > + #cooling-cells = <2>; > }; > > gpu_sram: ocmem@fdd00000 { > @@ -98,6 +103,8 @@ Example a6xx (with GMU): > reg = <0x5000000 0x40000>, <0x509e000 0x10>; > reg-names = "kgsl_3d0_reg_memory", "cx_mem"; > > + #cooling-cells = <2>; > + > /* > * Look ma, no clocks! The GPU clocks and power are > * controlled entirely by the GMU Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt index 1af0ff1..090dcb3 100644 --- a/Documentation/devicetree/bindings/display/msm/gpu.txt +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt @@ -39,6 +39,10 @@ Required properties: a4xx Snapdragon SoCs. See Documentation/devicetree/bindings/sram/qcom,ocmem.yaml. +Optional properties: +- #cooling-cells: The value must be 2. For details, please refer + Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml. + Example 3xx/4xx: / { @@ -61,6 +65,7 @@ Example 3xx/4xx: power-domains = <&mmcc OXILICX_GDSC>; operating-points-v2 = <&gpu_opp_table>; iommus = <&gpu_iommu 0>; + #cooling-cells = <2>; }; gpu_sram: ocmem@fdd00000 { @@ -98,6 +103,8 @@ Example a6xx (with GMU): reg = <0x5000000 0x40000>, <0x509e000 0x10>; reg-names = "kgsl_3d0_reg_memory", "cx_mem"; + #cooling-cells = <2>; + /* * Look ma, no clocks! The GPU clocks and power are * controlled entirely by the GMU
Add cooling device support to gpu. A cooling device is bound to a thermal zone to allow thermal mitigation. Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org> --- Documentation/devicetree/bindings/display/msm/gpu.txt | 7 +++++++ 1 file changed, 7 insertions(+)