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Currently UFS clk scaling is getting suspended only when the clks are scaled down. When high load is generated, a huge amount of latency is added due to scaling up the clk and completing the request post that. Suspending the scaling in its existing state when high load is generated improves the random performance KPI by 28%. So suspending the scaling when there are no requests. And the clk would be put in low scaled state when the actual request load is low. Make this change optional by having the check enabled using vops since for some devices suspending without bringing the clk in low scaled state might have impact on power consumption of the SoC. Signed-off-by: Ram Prakash Gupta <quic_rampraka@quicinc.com> Link: https://lore.kernel.org/r/20240627083756.25340-2-quic_rampraka@quicinc.com Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| drm | ||
| dt-bindings | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rv | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| ufs | ||
| vdso | ||
| video | ||
| xen | ||