On Tue, Apr 27, 2010 at 1:53 PM, Klaus Doblmann B.A. <klaus.doblmann at gmail.com> wrote: > On Tue, 27 Apr 2010 13:42:05 -0400 > Alex Deucher <alexdeucher at gmail.com> wrote: > >> On Tue, Apr 27, 2010 at 5:35 AM, Klaus Doblmann B.A. >> <klaus.doblmann at gmail.com> wrote: >> > >> > I sent this to Alex a few days ago but felt I should post it on this >> > list as well: >> > >> >> You might want to check the address you used as I never got the email. > > Hi Alex, > weird, I double-checked and I sent it to the address you replied from... > >> >> > I've been testing radeon KMS PM with 2.6.34-rc* for a few days now and >> > I wanted to send you my testcase. Even though PM is enabled, the >> > defaults of my card are somewhat insane so no real powermanagement >> > takes place - i.e. the card doesn't get clocked down. is there any way >> > to force the card to use a different setting where less power is being >> > consumed? >> >> The current code doesn't handle a lot of cases properly. ?Please try >> my latest patch set against Dave's drm-next tree: >> http://people.freedesktop.org/~agd5f/pm3/ >> It allows you to enable dynamic pm or force a static power mode via sysfs. >> >> Alex > > Will do so at the end of the week when (hopefully) 2.6.34-rc6 is out > and I have mor etime on my hands. > Could you a bit more explicit on how I could set a static power mode > via sysfs? I've never worked with sysfs before so some hints would be > greatly appreciated.
enable/disable dynpm: echo 1 > /sys/class/drm/card0/device/dynpm force a static power state: echo 1.0 > /sys/class/drm/card0/device/power_state Alex > > Thanks, > Klaus > > PS: On another note, is the KMS PM code supposed to work with r100 > chips (Mobility 7500)? I've tried it yesterday and the machine (IBM > T40) hardlocks when loading GDM (Ubuntu 10.04, 2.6.34-rc5 without any > additional patches). > In theory, although I haven't had time to test older chips much yet. Alex >> >> > Thanks! >> > >> > Klaus >> > > [...] > > -- > Klaus Doblmann B.A. - http://straightrazorguy.net - FSF member #7570 > PGP-Key: http://www.doblmann.de/pgp_key.asc > > A: Because it messes up the order in which people normally read text. > ? See http://en.wikipedia.org/wiki/Posting_style > Q: Why is top-posting such a bad thing? > A: Top-posting. > Q: What is the most annoying thing in e-mail? >
