On 18-12-24 04:57 pm, Dmitry Baryshkov wrote: > On Wed, Dec 18, 2024 at 03:56:48PM +0530, Prashanth K wrote: >> Enabling U1 and U2 power-saving states can lead to stability and >> performance issues, particularly for latency-sensitive or high- >> throughput applications. These low-power link states are intended >> to reduce power consumption by allowing the device to enter partial >> low-power modes during idle periods. However, they can sometimes >> result in unexpected behavior. Over the years, some of the issues >> seen are as follows: >> > > [..] > >> >> This series was earlier started by Krishna Kurapati where he disabled >> U1/U2 on some SM targets. I'm extending this to more devices including >> Auto, Compute and IOT platforms. On a side note, this quirk has been >> already included on some mobile targets like SM8550/8650. > > Why are you resending previous patches rather than adding another series > on top of it? > Hi Dmitry, RFC had only one patch with quirks (to disable u1/u2) only for few targets (SM8150, 8250, 8350, 8450). It was later decided to split it into per-file commits as per the review comments. Hence I clubbed Krishna's changes along with few more targets. Let me know if this needs to be changed. >> >> Changes in v2: >> - Removed the wrongly added quirks from tcsr_mutex node. >> - Link to v2: https://lore.kernel.org/all/20241213095237.1409174-1-quic_prashk@xxxxxxxxxxx/ > > What was changed in v3? It was supposed to be "Changes in v3" instead of v2. > >> >> Link to RFC: >> https://lore.kernel.org/all/20241107073650.13473-1-quic_kriskura@xxxxxxxxxxx/#Z31arch:arm64:boot:dts:qcom:sm8250.dtsi >> > Regards, Prashanth K