On Mon, 2021-08-23 at 13:45 +0200, Hans de Goede wrote: > Hi, > > On 8/23/21 1:26 PM, Luke Jones wrote: > > > > > > On Mon, Aug 23 2021 at 12:28:21 +0200, Bastien Nocera > > <hadess@xxxxxxxxxx> wrote: > > > On Sat, 2021-08-21 at 09:30 +1200, Luke Jones wrote: > > > > > > > > > > > > On Fri, Aug 20 2021 at 13:39:02 +0200, Bastien Nocera > > > > <hadess@xxxxxxxxxx> wrote: > > > > > On Fri, 2021-08-20 at 23:00 +1200, Luke Jones wrote: > > > > > > > > > > > > > > > > > > On Fri, Aug 20 2021 at 12:51:08 +0200, Bastien Nocera > > > > > > <hadess@xxxxxxxxxx> wrote: > > > > > > > On Fri, 2021-08-20 at 12:43 +0200, Bastien Nocera > > > > wrote: > > > > > > > > On Fri, 2021-08-20 at 22:33 +1200, Luke Jones wrote: > > > > > > > > > > Am I going to get bug reports from Asus users > > > > that will > > > > > > > > complain > > > > > > > > > > that > > > > > > > > > > power-profiles-daemon doesn't work correctly, > > > > where I > > > > > > will > > > > > > > > have > > > > > > > > > > to > > > > > > > > > > wearily ask if they're using an Asus Rog laptop? > > > > > > > > > > > > > > > > > > No. Definitely not. The changes to fan curves per- > > > > profile > > > > > > need > > > > > > > > to > > > > > > > > > be > > > > > > > > > explicitly enabled and set. So a new user will be > > > > unaware > > > > > > that > > > > > > > > this > > > > > > > > > control exists (until they look for it) and their > > > > laptop > > > > > > will > > > > > > > > > behave > > > > > > > > > exactly as default. > > > > > > > > > > > > > > > > "The user will need to change the fan curves > > > > manually so > > > > > > will > > > > > > > > definitely remember to mention it in bug reports" is > > > > a very > > > > > > > > different > > > > > > > > thing to "the user can't change the fan curves to be > > > > > > nonsensical > > > > > > > > and > > > > > > > > mean opposite things". > > > > > > > > > > > > > > > > I can assure you that I will eventually get bug > > > > reports > > > > > > from > > > > > > > > "power > > > > > > > > users" who break their setup and wonder why things > > > > don't > > > > > > work > > > > > > > > properly, > > > > > > > > without ever mentioning the changes they made > > > > changes to > > > > > > the > > > > > > fan > > > > > > > > curves, or anything else they might have changed. > > > > > > > > > > > > > > A way to taint the settings that power-profiles-daemon > > > > could > > > > > > catch > > > > > > > would be fine by me. I absolutely don't want to have to > > > > > > support > > > > > > > somebody's tweaks until they undo them. > > > > > > > > > > > > Definitely understood. Do you have something in mind? > > > > > > > > > > A sysfs attribute with boolean data that shows whether > > > > custom fan > > > > > curves are used would be enough. > > > > > > > > The path /sys/devices/platform/asus-nb- > > > > wmi/active_fan_curve_profiles > > > > should be usable like this? I added this as the method for > > > > controlling > > > > which fan curves for which profiles are active. > > > > > > > > If empty, then no custom fan curves are active at all. If it > > > > contains > > > > any combination of strings "quiet, balanced, performance" then > > > > those > > > > associated (named) platform_profiles have an active fan curve > > > > and you > > > > can throw up a general warning, maybe add the contents of that > > > > file > > > > too? > > > > > > That works for me, although I would probably have preferred a way > > > that > > > wasn't specific to the asus-wmi module, I'm sure I can made do > > > with > > > that. > > > > Oh I see, you were looking to get a more general solution > > implemented? Maybe something like "/sys/devices/platform/asus-nb- > > wmi/platform_profile_tainted"? This could be an opportunity to > > maybe make a standardised naming scheme for it. > > That would standardize the name, but not the location (path to the > name); > so I'm not sure how helpful that would be. I think that for now > going with /sys/devices/platform/asus-nb- > wmi/active_fan_curve_profiles is fine > and if we hit the same situation with a 2nd driver then maybe do > something under the /sys/firmware/acpi/platform_profile* namespace. > > Maybe something like: > > /sys/firmware/acpi/platform_profile_flags or something which can > communicate a bunch of 0 (keyword not present) / 1 values > by containing a list of space separated keywords like: > "custom-fan-profiles", where "custom-fan-profiles" would only > show up when they are activated ? That would work for me but let's wait until there's something to make more generic before doing it, as you mentioned.