[Public] > -----Original Message----- > From: Uwe Kleine-König <[email protected]> > Sent: Monday, November 10, 2025 10:27 AM > To: Deucher, Alexander <[email protected]>; Koenig, Christian > <[email protected]> > Cc: [email protected]; [email protected]; Roman > Savochenko <[email protected]> > Subject: dpm broken on Radeon HD 8570D > > Control: forwarded -1 https://lore.kernel.org/amd- > gfx/epyf7tdz3azb3fflb6rwuhax7mpccmqlsmzqqe2pcm7mxrdur4@zpx2uo5p > voqs > > Hello, > > A Debian user (Roman Savochenko, on Cc:) reports issues (freezing with black > screen) with a Radeon HD 8570D graphics adapter. When passing > `radeon.dpm=0` on the kernel commandline the problems are gone. > > Is it a sensible quirk to let dpm default to 0 with that hardware? Or does the > behaviour depend on (e.g.) the actual monitor in use?
DPM worked fine on this hardware. I'm not familiar with any general issues with it. It may be system specific. > > Or is there a bug to fix? If so, do you have a hint what to do, is there more > information needed from the affected system? > > The full bug history is available at https://bugs.debian.org/1118349, which > also contains some hardware information. If this is a regression can you bisect? Thanks, Alex > > Best regards > Uwe
