On 13.01.2025 11:28 AM, Akhil P Oommen wrote: > On 1/10/2025 4:06 PM, Neil Armstrong wrote: >> On the SM8650, the dynamic clock and voltage scaling (DCVS) for the GPU >> is done in an hardware controlled loop by the GPU Management Unit (GMU). >> >> Since the GMU does a better job at maintaining the GPUs temperature in an >> acceptable range by taking in account more parameters like the die >> characteristics or other internal sensors, it makes no sense to try >> and reproduce a similar set of constraints with the Linux devfreq thermal >> core. > > Just FYI, this description is incorrect. SM8650's GMU doesn't do any > sort of thermal management. What's this for then? Just reacting to thermal pressure? https://git.codelinaro.org/clo/le/platform/vendor/qcom/opensource/graphics-kernel/-/commit/e4387d101d14965c8f2c67e10a6a9499c1a88af4 Konrad
