On 11/3/20 5:08 AM, Dmitry Osipenko wrote: > 01.11.2020 17:12, Dmitry Osipenko пишет: > ... >> We will probably move the Tegra20 EMC_STAT devfreq driver into the >> memory driver and remove the older IMC_STAT driver in v7, like it was >> suggested by Thierry Reding. This will be a much less invasive code change. >> >>> Also, if you want to get more responsiveness, you could use delayed timer >>> instead of deferrable timer by editing the devfreq_dev_profile structure. >> >> Thanks, I'll try the deferrable timer. > > I took a brief look at the delayed timer and I think the deferrable > timer should be more a preferred option because this devfreq drive is > more an assistance for the optimal bandwidth selection and it will be > more preferred to keep system idling whenever possible. > > My primary concern is the initial performance lag in a case of > multimedia applications. But this will be resolved by hooking up > performance voting to all drivers, once we will get around to it. OK. You can choice the type of timer on both probe and via sysfs file on the runtime. -- Best Regards, Chanwoo Choi Samsung Electronics _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
