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nord: Add GPU cooling - #1014
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Add DT support for A7x Nord Adreno GPU. Signed-off-by: Shivam Rawat <shivrawa@qti.qualcomm.com>
Add support for Nord Adreno Gen7 GPU. Widen the existing A8XX-scoped GBIF_CX_CONFIG declaration in a6xx.xml to variants="A7XX-". Signed-off-by: Shivam Rawat <shivrawa@qti.qualcomm.com>
Add ubwc support for Nord which is similiar as sm8550. Signed-off-by: Shivam Rawat <shivrawa@qti.qualcomm.com>
Unlike the CPU, the GPU does not throttle its speed automatically when it reaches high temperatures. Set up GPU cooling by throttling the GPU speed when reaching 105°C. Introduce a passive polling delay to ensure more than one "passive" thermal point is considered when throttling the GPU thermal zones. gpu_0 and its cooling-device wiring live in nord-embedded.dtsi (not the shared nord.dtsi), since only the embedded/native profile owns the real GPU clock/power hardware directly; nord-gearvm.dtsi has no gpucc. nord.dtsi only gains the zone/trip labels needed to reference the thermal zones from there. Signed-off-by: Aastha Pandey <aastha.pandey@oss.qualcomm.com>
Unlike the CPU, the GPU does not throttle its speed automatically when it reaches high temperatures. Set up GPU cooling by throttling the GPU speed when reaching 105°C. Introduce a passive polling delay to ensure more than one "passive" thermal point is considered when throttling the GPU thermal zones. gpu_0 and its cooling-device wiring live in nord-embedded.dtsi (not the shared nord.dtsi), since only the embedded/native profile owns the real GPU clock/power hardware directly; nord-gearvm.dtsi has no gpucc. nord.dtsi only gains the zone/trip labels needed to reference the thermal zones from there. Signed-off-by: Aastha Pandey <aastha.pandey@oss.qualcomm.com>
apateriy-qcom
commented
Aug 26, 2026
please rebase the tip and raise on sepecifc branch. looks like two PR's are merged into one here. |
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Set up GPU cooling by throttling the GPU speed
when reaching 105°C.